--- /dev/null
+/*
+ * ffmpeg main
+ * Copyright (c) 2000-2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include <ctype.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <signal.h>
+#include <limits.h>
+#include <unistd.h>
+#include "libavformat/avformat.h"
+#include "libavdevice/avdevice.h"
+#include "libswscale/swscale.h"
+#include "libavutil/opt.h"
+#include "libavcodec/audioconvert.h"
+#include "libavutil/audioconvert.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/samplefmt.h"
+#include "libavutil/colorspace.h"
+#include "libavutil/fifo.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/dict.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/avstring.h"
+#include "libavutil/libm.h"
+#include "libavformat/os_support.h"
+
+#include "libavformat/ffm.h" // not public API
+
+#if CONFIG_AVFILTER
+# include "libavfilter/avcodec.h"
+# include "libavfilter/avfilter.h"
+# include "libavfilter/avfiltergraph.h"
+# include "libavfilter/buffersink.h"
+# include "libavfilter/vsrc_buffer.h"
+#endif
+
+#if HAVE_SYS_RESOURCE_H
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#elif HAVE_GETPROCESSTIMES
+#include <windows.h>
+#endif
+#if HAVE_GETPROCESSMEMORYINFO
+#include <windows.h>
+#include <psapi.h>
+#endif
+
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#if HAVE_TERMIOS_H
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <termios.h>
+#elif HAVE_KBHIT
+#include <conio.h>
+#endif
+#include <time.h>
+
+#include "cmdutils.h"
+
+#include "libavutil/avassert.h"
+
+const char program_name[] = "avconv";
+const int program_birth_year = 2000;
+
+/* select an input stream for an output stream */
+typedef struct StreamMap {
+ int disabled; /** 1 is this mapping is disabled by a negative map */
+ int file_index;
+ int stream_index;
+ int sync_file_index;
+ int sync_stream_index;
+} StreamMap;
+
+/**
+ * select an input file for an output file
+ */
+typedef struct MetadataMap {
+ int file; ///< file index
+ char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
+ int index; ///< stream/chapter/program number
+} MetadataMap;
+
+static const OptionDef options[];
+
+#define MAX_STREAMS 1024 /* arbitrary sanity check value */
+
+static int frame_bits_per_raw_sample = 0;
+static int video_discard = 0;
+static int same_quant = 0;
+static int do_deinterlace = 0;
+static int intra_dc_precision = 8;
+static int qp_hist = 0;
+
+static int file_overwrite = 0;
+static int do_benchmark = 0;
+static int do_hex_dump = 0;
+static int do_pkt_dump = 0;
+static int do_pass = 0;
+static const char *pass_logfilename_prefix;
+static int video_sync_method= -1;
+static int audio_sync_method= 0;
+static float audio_drift_threshold= 0.1;
+static int copy_ts= 0;
+static int copy_tb= 0;
+static int opt_shortest = 0;
+static char *vstats_filename;
+static FILE *vstats_file;
+static int copy_initial_nonkeyframes = 0;
+
+static int audio_volume = 256;
+
+static int exit_on_error = 0;
+static int using_stdin = 0;
+static int verbose = 1;
+static int run_as_daemon = 0;
+static int q_pressed = 0;
+static int64_t video_size = 0;
+static int64_t audio_size = 0;
+static int64_t extra_size = 0;
+static int nb_frames_dup = 0;
+static int nb_frames_drop = 0;
+static int input_sync;
+
+static float dts_delta_threshold = 10;
+
+static uint8_t *audio_buf;
+static uint8_t *audio_out;
+static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
+
+static short *samples;
+
+#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
+
+typedef struct InputStream {
+ int file_index;
+ AVStream *st;
+ int discard; /* true if stream data should be discarded */
+ int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
+ AVCodec *dec;
+
+ int64_t start; /* time when read started */
+ int64_t next_pts; /* synthetic pts for cases where pkt.pts
+ is not defined */
+ int64_t pts; /* current pts */
+ double ts_scale;
+ int is_start; /* is 1 at the start and after a discontinuity */
+ int showed_multi_packet_warning;
+ AVDictionary *opts;
+} InputStream;
+
+typedef struct InputFile {
+ AVFormatContext *ctx;
+ int eof_reached; /* true if eof reached */
+ int ist_index; /* index of first stream in ist_table */
+ int buffer_size; /* current total buffer size */
+ int64_t ts_offset;
+ int nb_streams; /* number of stream that avconv is aware of; may be different
+ from ctx.nb_streams if new streams appear during av_read_frame() */
+ int rate_emu;
+} InputFile;
+
+typedef struct OutputStream {
+ int file_index; /* file index */
+ int index; /* stream index in the output file */
+ int source_index; /* InputStream index */
+ AVStream *st; /* stream in the output file */
+ int encoding_needed; /* true if encoding needed for this stream */
+ int frame_number;
+ /* input pts and corresponding output pts
+ for A/V sync */
+ //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
+ struct InputStream *sync_ist; /* input stream to sync against */
+ int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
+ AVBitStreamFilterContext *bitstream_filters;
+ AVCodec *enc;
+ int64_t max_frames;
+
+ /* video only */
+ int video_resample;
+ AVFrame resample_frame; /* temporary frame for image resampling */
+ struct SwsContext *img_resample_ctx; /* for image resampling */
+ int resample_height;
+ int resample_width;
+ int resample_pix_fmt;
+ AVRational frame_rate;
+ int force_fps;
+ int top_field_first;
+
+ float frame_aspect_ratio;
+
+ /* forced key frames */
+ int64_t *forced_kf_pts;
+ int forced_kf_count;
+ int forced_kf_index;
+
+ /* audio only */
+ int audio_resample;
+ ReSampleContext *resample; /* for audio resampling */
+ int resample_sample_fmt;
+ int resample_channels;
+ int resample_sample_rate;
+ int reformat_pair;
+ AVAudioConvert *reformat_ctx;
+ AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
+ FILE *logfile;
+
+#if CONFIG_AVFILTER
+ AVFilterContext *output_video_filter;
+ AVFilterContext *input_video_filter;
+ AVFilterBufferRef *picref;
+ char *avfilter;
+ AVFilterGraph *graph;
+#endif
+
+ int sws_flags;
+ AVDictionary *opts;
+ int is_past_recording_time;
+} OutputStream;
+
+#if HAVE_TERMIOS_H
+
+/* init terminal so that we can grab keys */
+static struct termios oldtty;
+#endif
+
+typedef struct OutputFile {
+ AVFormatContext *ctx;
+ AVDictionary *opts;
+ int ost_index; /* index of the first stream in output_streams */
+ int64_t recording_time; /* desired length of the resulting file in microseconds */
+ int64_t start_time; /* start time in microseconds */
+ uint64_t limit_filesize;
+} OutputFile;
+
+static InputStream *input_streams = NULL;
+static int nb_input_streams = 0;
+static InputFile *input_files = NULL;
+static int nb_input_files = 0;
+
+static OutputStream *output_streams = NULL;
+static int nb_output_streams = 0;
+static OutputFile *output_files = NULL;
+static int nb_output_files = 0;
+
+typedef struct OptionsContext {
+ /* input/output options */
+ int64_t start_time;
+ const char *format;
+
+ SpecifierOpt *codec_names;
+ int nb_codec_names;
+ SpecifierOpt *audio_channels;
+ int nb_audio_channels;
+ SpecifierOpt *audio_sample_rate;
+ int nb_audio_sample_rate;
+ SpecifierOpt *frame_rates;
+ int nb_frame_rates;
+ SpecifierOpt *frame_sizes;
+ int nb_frame_sizes;
+ SpecifierOpt *frame_pix_fmts;
+ int nb_frame_pix_fmts;
+
+ /* input options */
+ int64_t input_ts_offset;
+ int rate_emu;
+
+ SpecifierOpt *ts_scale;
+ int nb_ts_scale;
+
+ /* output options */
+ StreamMap *stream_maps;
+ int nb_stream_maps;
+ /* first item specifies output metadata, second is input */
+ MetadataMap (*meta_data_maps)[2];
+ int nb_meta_data_maps;
+ int metadata_global_manual;
+ int metadata_streams_manual;
+ int metadata_chapters_manual;
+
+ int chapters_input_file;
+
+ int64_t recording_time;
+ uint64_t limit_filesize;
+ float mux_preload;
+ float mux_max_delay;
+
+ int video_disable;
+ int audio_disable;
+ int subtitle_disable;
+ int data_disable;
+
+ /* indexed by output file stream index */
+ int *streamid_map;
+ int nb_streamid_map;
+
+ SpecifierOpt *metadata;
+ int nb_metadata;
+ SpecifierOpt *max_frames;
+ int nb_max_frames;
+ SpecifierOpt *bitstream_filters;
+ int nb_bitstream_filters;
+ SpecifierOpt *codec_tags;
+ int nb_codec_tags;
+ SpecifierOpt *sample_fmts;
+ int nb_sample_fmts;
+ SpecifierOpt *qscale;
+ int nb_qscale;
+ SpecifierOpt *forced_key_frames;
+ int nb_forced_key_frames;
+ SpecifierOpt *force_fps;
+ int nb_force_fps;
+ SpecifierOpt *frame_aspect_ratios;
+ int nb_frame_aspect_ratios;
+ SpecifierOpt *rc_overrides;
+ int nb_rc_overrides;
+ SpecifierOpt *intra_matrices;
+ int nb_intra_matrices;
+ SpecifierOpt *inter_matrices;
+ int nb_inter_matrices;
+ SpecifierOpt *top_field_first;
+ int nb_top_field_first;
+#if CONFIG_AVFILTER
+ SpecifierOpt *filters;
+ int nb_filters;
+#endif
+} OptionsContext;
+
+#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
+{\
+ int i, ret;\
+ for (i = 0; i < o->nb_ ## name; i++) {\
+ char *spec = o->name[i].specifier;\
+ if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
+ outvar = o->name[i].u.type;\
+ else if (ret < 0)\
+ exit_program(1);\
+ }\
+}
+
+static void reset_options(OptionsContext *o)
+{
+ const OptionDef *po = options;
+
+ /* all OPT_SPEC and OPT_STRING can be freed in generic way */
+ while (po->name) {
+ void *dst = (uint8_t*)o + po->u.off;
+
+ if (po->flags & OPT_SPEC) {
+ SpecifierOpt **so = dst;
+ int i, *count = (int*)(so + 1);
+ for (i = 0; i < *count; i++) {
+ av_freep(&(*so)[i].specifier);
+ if (po->flags & OPT_STRING)
+ av_freep(&(*so)[i].u.str);
+ }
+ av_freep(so);
+ *count = 0;
+ } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
+ av_freep(dst);
+ po++;
+ }
+
+ av_freep(&o->stream_maps);
+ av_freep(&o->meta_data_maps);
+ av_freep(&o->streamid_map);
+
+ memset(o, 0, sizeof(*o));
+
+ o->mux_preload = 0.5;
+ o->mux_max_delay = 0.7;
+ o->recording_time = INT64_MAX;
+ o->limit_filesize = UINT64_MAX;
+ o->chapters_input_file = INT_MAX;
+
+ uninit_opts();
+ init_opts();
+}
+
+#if CONFIG_AVFILTER
+
+static int configure_video_filters(InputStream *ist, OutputStream *ost)
+{
+ AVFilterContext *last_filter, *filter;
+ /** filter graph containing all filters including input & output */
+ AVCodecContext *codec = ost->st->codec;
+ AVCodecContext *icodec = ist->st->codec;
+ enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
+ AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
+ AVRational sample_aspect_ratio;
+ char args[255];
+ int ret;
+
+ ost->graph = avfilter_graph_alloc();
+
+ if (ist->st->sample_aspect_ratio.num){
+ sample_aspect_ratio = ist->st->sample_aspect_ratio;
+ }else
+ sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
+
+ snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
+ ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
+ sample_aspect_ratio.num, sample_aspect_ratio.den);
+
+ ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
+ "src", args, NULL, ost->graph);
+ if (ret < 0)
+ return ret;
+#if FF_API_OLD_VSINK_API
+ ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
+ "out", NULL, pix_fmts, ost->graph);
+#else
+ buffersink_params->pixel_fmts = pix_fmts;
+ ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
+ "out", NULL, buffersink_params, ost->graph);
+#endif
+ av_freep(&buffersink_params);
+ if (ret < 0)
+ return ret;
+ last_filter = ost->input_video_filter;
+
+ if (codec->width != icodec->width || codec->height != icodec->height) {
+ snprintf(args, 255, "%d:%d:flags=0x%X",
+ codec->width,
+ codec->height,
+ ost->sws_flags);
+ if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
+ NULL, args, NULL, ost->graph)) < 0)
+ return ret;
+ if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
+ return ret;
+ last_filter = filter;
+ }
+
+ snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
+ ost->graph->scale_sws_opts = av_strdup(args);
+
+ if (ost->avfilter) {
+ AVFilterInOut *outputs = avfilter_inout_alloc();
+ AVFilterInOut *inputs = avfilter_inout_alloc();
+
+ outputs->name = av_strdup("in");
+ outputs->filter_ctx = last_filter;
+ outputs->pad_idx = 0;
+ outputs->next = NULL;
+
+ inputs->name = av_strdup("out");
+ inputs->filter_ctx = ost->output_video_filter;
+ inputs->pad_idx = 0;
+ inputs->next = NULL;
+
+ if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
+ return ret;
+ av_freep(&ost->avfilter);
+ } else {
+ if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
+ return ret;
+ }
+
+ if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
+ return ret;
+
+ codec->width = ost->output_video_filter->inputs[0]->w;
+ codec->height = ost->output_video_filter->inputs[0]->h;
+ codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+ ost->frame_aspect_ratio ? // overridden by the -aspect cli option
+ av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
+ ost->output_video_filter->inputs[0]->sample_aspect_ratio;
+
+ return 0;
+}
+#endif /* CONFIG_AVFILTER */
+
+static void term_exit(void)
+{
+ av_log(NULL, AV_LOG_QUIET, "%s", "");
+#if HAVE_TERMIOS_H
+ if(!run_as_daemon)
+ tcsetattr (0, TCSANOW, &oldtty);
+#endif
+}
+
+static volatile int received_sigterm = 0;
+
+static void
+sigterm_handler(int sig)
+{
+ received_sigterm = sig;
+ q_pressed++;
+ term_exit();
+}
+
+static void term_init(void)
+{
+#if HAVE_TERMIOS_H
+ if(!run_as_daemon){
+ struct termios tty;
+
+ tcgetattr (0, &tty);
+ oldtty = tty;
+ atexit(term_exit);
+
+ tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+ |INLCR|IGNCR|ICRNL|IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+ tty.c_cflag &= ~(CSIZE|PARENB);
+ tty.c_cflag |= CS8;
+ tty.c_cc[VMIN] = 1;
+ tty.c_cc[VTIME] = 0;
+
+ tcsetattr (0, TCSANOW, &tty);
+ signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
+ }
+#endif
+
+ signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
+ signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
+#ifdef SIGXCPU
+ signal(SIGXCPU, sigterm_handler);
+#endif
+}
+
+/* read a key without blocking */
+static int read_key(void)
+{
+#if HAVE_TERMIOS_H
+ int n = 1;
+ unsigned char ch;
+ struct timeval tv;
+ fd_set rfds;
+
+ if(run_as_daemon)
+ return -1;
+
+ FD_ZERO(&rfds);
+ FD_SET(0, &rfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ n = select(1, &rfds, NULL, NULL, &tv);
+ if (n > 0) {
+ n = read(0, &ch, 1);
+ if (n == 1)
+ return ch;
+
+ return n;
+ }
+#elif HAVE_KBHIT
+ if(kbhit())
+ return(getch());
+#endif
+ return -1;
+}
+
+static int decode_interrupt_cb(void)
+{
+ q_pressed += read_key() == 'q';
+ return q_pressed > 1;
+}
+
+void exit_program(int ret)
+{
+ int i;
+
+ /* close files */
+ for(i=0;i<nb_output_files;i++) {
+ AVFormatContext *s = output_files[i].ctx;
+ if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
+ avio_close(s->pb);
+ avformat_free_context(s);
+ av_dict_free(&output_files[i].opts);
+ }
+ for(i=0;i<nb_input_files;i++) {
+ av_close_input_file(input_files[i].ctx);
+ }
+ for (i = 0; i < nb_input_streams; i++)
+ av_dict_free(&input_streams[i].opts);
+
+ if (vstats_file)
+ fclose(vstats_file);
+ av_free(vstats_filename);
+
+ av_freep(&input_streams);
+ av_freep(&input_files);
+ av_freep(&output_streams);
+ av_freep(&output_files);
+
+ uninit_opts();
+ av_free(audio_buf);
+ av_free(audio_out);
+ allocated_audio_buf_size= allocated_audio_out_size= 0;
+ av_free(samples);
+
+#if CONFIG_AVFILTER
+ avfilter_uninit();
+#endif
+
+ if (received_sigterm) {
+ fprintf(stderr,
+ "Received signal %d: terminating.\n",
+ (int) received_sigterm);
+ exit (255);
+ }
+
+ exit(ret); /* not all OS-es handle main() return value */
+}
+
+static void assert_avoptions(AVDictionary *m)
+{
+ AVDictionaryEntry *t;
+ if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
+ av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
+ exit_program(1);
+ }
+}
+
+static void assert_codec_experimental(AVCodecContext *c, int encoder)
+{
+ const char *codec_string = encoder ? "encoder" : "decoder";
+ AVCodec *codec;
+ if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
+ c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+ av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
+ "results.\nAdd '-strict experimental' if you want to use it.\n",
+ codec_string, c->codec->name);
+ codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
+ if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+ av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
+ codec_string, codec->name);
+ exit_program(1);
+ }
+}
+
+static void choose_sample_fmt(AVStream *st, AVCodec *codec)
+{
+ if(codec && codec->sample_fmts){
+ const enum AVSampleFormat *p= codec->sample_fmts;
+ for(; *p!=-1; p++){
+ if(*p == st->codec->sample_fmt)
+ break;
+ }
+ if (*p == -1) {
+ if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
+ av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
+ if(av_get_sample_fmt_name(st->codec->sample_fmt))
+ av_log(NULL, AV_LOG_WARNING,
+ "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
+ av_get_sample_fmt_name(st->codec->sample_fmt),
+ codec->name,
+ av_get_sample_fmt_name(codec->sample_fmts[0]));
+ st->codec->sample_fmt = codec->sample_fmts[0];
+ }
+ }
+}
+
+static void choose_sample_rate(AVStream *st, AVCodec *codec)
+{
+ if(codec && codec->supported_samplerates){
+ const int *p= codec->supported_samplerates;
+ int best=0;
+ int best_dist=INT_MAX;
+ for(; *p; p++){
+ int dist= abs(st->codec->sample_rate - *p);
+ if(dist < best_dist){
+ best_dist= dist;
+ best= *p;
+ }
+ }
+ if(best_dist){
+ av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
+ }
+ st->codec->sample_rate= best;
+ }
+}
+
+static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
+{
+ if(codec && codec->pix_fmts){
+ const enum PixelFormat *p= codec->pix_fmts;
+ if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
+ if(st->codec->codec_id==CODEC_ID_MJPEG){
+ p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
+ }else if(st->codec->codec_id==CODEC_ID_LJPEG){
+ p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
+ }
+ }
+ for(; *p!=-1; p++){
+ if(*p == st->codec->pix_fmt)
+ break;
+ }
+ if (*p == -1) {
+ if(st->codec->pix_fmt != PIX_FMT_NONE)
+ av_log(NULL, AV_LOG_WARNING,
+ "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
+ av_pix_fmt_descriptors[st->codec->pix_fmt].name,
+ codec->name,
+ av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
+ st->codec->pix_fmt = codec->pix_fmts[0];
+ }
+ }
+}
+
+static double
+get_sync_ipts(const OutputStream *ost)
+{
+ const InputStream *ist = ost->sync_ist;
+ OutputFile *of = &output_files[ost->file_index];
+ return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
+}
+
+static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
+ int ret;
+
+ while(bsfc){
+ AVPacket new_pkt= *pkt;
+ int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
+ &new_pkt.data, &new_pkt.size,
+ pkt->data, pkt->size,
+ pkt->flags & AV_PKT_FLAG_KEY);
+ if(a>0){
+ av_free_packet(pkt);
+ new_pkt.destruct= av_destruct_packet;
+ } else if(a<0){
+ fprintf(stderr, "%s failed for stream %d, codec %s",
+ bsfc->filter->name, pkt->stream_index,
+ avctx->codec ? avctx->codec->name : "copy");
+ print_error("", a);
+ if (exit_on_error)
+ exit_program(1);
+ }
+ *pkt= new_pkt;
+
+ bsfc= bsfc->next;
+ }
+
+ ret= av_interleaved_write_frame(s, pkt);
+ if(ret < 0){
+ print_error("av_interleaved_write_frame()", ret);
+ exit_program(1);
+ }
+}
+
+static void do_audio_out(AVFormatContext *s,
+ OutputStream *ost,
+ InputStream *ist,
+ unsigned char *buf, int size)
+{
+ uint8_t *buftmp;
+ int64_t audio_out_size, audio_buf_size;
+ int64_t allocated_for_size= size;
+
+ int size_out, frame_bytes, ret, resample_changed;
+ AVCodecContext *enc= ost->st->codec;
+ AVCodecContext *dec= ist->st->codec;
+ int osize = av_get_bytes_per_sample(enc->sample_fmt);
+ int isize = av_get_bytes_per_sample(dec->sample_fmt);
+ const int coded_bps = av_get_bits_per_sample(enc->codec->id);
+
+need_realloc:
+ audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
+ audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
+ audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
+ audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
+ audio_buf_size*= osize*enc->channels;
+
+ audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
+ if(coded_bps > 8*osize)
+ audio_out_size= audio_out_size * coded_bps / (8*osize);
+ audio_out_size += FF_MIN_BUFFER_SIZE;
+
+ if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
+ fprintf(stderr, "Buffer sizes too large\n");
+ exit_program(1);
+ }
+
+ av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
+ av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
+ if (!audio_buf || !audio_out){
+ fprintf(stderr, "Out of memory in do_audio_out\n");
+ exit_program(1);
+ }
+
+ if (enc->channels != dec->channels)
+ ost->audio_resample = 1;
+
+ resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
+ ost->resample_channels != dec->channels ||
+ ost->resample_sample_rate != dec->sample_rate;
+
+ if ((ost->audio_resample && !ost->resample) || resample_changed) {
+ if (resample_changed) {
+ av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
+ ist->file_index, ist->st->index,
+ ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
+ dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
+ ost->resample_sample_fmt = dec->sample_fmt;
+ ost->resample_channels = dec->channels;
+ ost->resample_sample_rate = dec->sample_rate;
+ if (ost->resample)
+ audio_resample_close(ost->resample);
+ }
+ /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
+ if (audio_sync_method <= 1 &&
+ ost->resample_sample_fmt == enc->sample_fmt &&
+ ost->resample_channels == enc->channels &&
+ ost->resample_sample_rate == enc->sample_rate) {
+ ost->resample = NULL;
+ ost->audio_resample = 0;
+ } else {
+ if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
+ fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
+ ost->resample = av_audio_resample_init(enc->channels, dec->channels,
+ enc->sample_rate, dec->sample_rate,
+ enc->sample_fmt, dec->sample_fmt,
+ 16, 10, 0, 0.8);
+ if (!ost->resample) {
+ fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
+ dec->channels, dec->sample_rate,
+ enc->channels, enc->sample_rate);
+ exit_program(1);
+ }
+ }
+ }
+
+#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
+ if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
+ MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
+ if (ost->reformat_ctx)
+ av_audio_convert_free(ost->reformat_ctx);
+ ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
+ dec->sample_fmt, 1, NULL, 0);
+ if (!ost->reformat_ctx) {
+ fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
+ av_get_sample_fmt_name(dec->sample_fmt),
+ av_get_sample_fmt_name(enc->sample_fmt));
+ exit_program(1);
+ }
+ ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
+ }
+
+ if(audio_sync_method){
+ double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
+ - av_fifo_size(ost->fifo)/(enc->channels * 2);
+ double idelta= delta*dec->sample_rate / enc->sample_rate;
+ int byte_delta= ((int)idelta)*2*dec->channels;
+
+ //FIXME resample delay
+ if(fabs(delta) > 50){
+ if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
+ if(byte_delta < 0){
+ byte_delta= FFMAX(byte_delta, -size);
+ size += byte_delta;
+ buf -= byte_delta;
+ if(verbose > 2)
+ fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
+ if(!size)
+ return;
+ ist->is_start=0;
+ }else{
+ static uint8_t *input_tmp= NULL;
+ input_tmp= av_realloc(input_tmp, byte_delta + size);
+
+ if(byte_delta > allocated_for_size - size){
+ allocated_for_size= byte_delta + (int64_t)size;
+ goto need_realloc;
+ }
+ ist->is_start=0;
+
+ memset(input_tmp, 0, byte_delta);
+ memcpy(input_tmp + byte_delta, buf, size);
+ buf= input_tmp;
+ size += byte_delta;
+ if(verbose > 2)
+ fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
+ }
+ }else if(audio_sync_method>1){
+ int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
+ av_assert0(ost->audio_resample);
+ if(verbose > 2)
+ fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
+// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
+ av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
+ }
+ }
+ }else
+ ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
+ - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
+
+ if (ost->audio_resample) {
+ buftmp = audio_buf;
+ size_out = audio_resample(ost->resample,
+ (short *)buftmp, (short *)buf,
+ size / (dec->channels * isize));
+ size_out = size_out * enc->channels * osize;
+ } else {
+ buftmp = buf;
+ size_out = size;
+ }
+
+ if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
+ const void *ibuf[6]= {buftmp};
+ void *obuf[6]= {audio_buf};
+ int istride[6]= {isize};
+ int ostride[6]= {osize};
+ int len= size_out/istride[0];
+ if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
+ printf("av_audio_convert() failed\n");
+ if (exit_on_error)
+ exit_program(1);
+ return;
+ }
+ buftmp = audio_buf;
+ size_out = len*osize;
+ }
+
+ /* now encode as many frames as possible */
+ if (enc->frame_size > 1) {
+ /* output resampled raw samples */
+ if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
+ fprintf(stderr, "av_fifo_realloc2() failed\n");
+ exit_program(1);
+ }
+ av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
+
+ frame_bytes = enc->frame_size * osize * enc->channels;
+
+ while (av_fifo_size(ost->fifo) >= frame_bytes) {
+ AVPacket pkt;
+ av_init_packet(&pkt);
+
+ av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
+
+ //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
+
+ ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
+ (short *)audio_buf);
+ if (ret < 0) {
+ fprintf(stderr, "Audio encoding failed\n");
+ exit_program(1);
+ }
+ audio_size += ret;
+ pkt.stream_index= ost->index;
+ pkt.data= audio_out;
+ pkt.size= ret;
+ if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
+ pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ write_frame(s, &pkt, enc, ost->bitstream_filters);
+
+ ost->sync_opts += enc->frame_size;
+ }
+ } else {
+ AVPacket pkt;
+ av_init_packet(&pkt);
+
+ ost->sync_opts += size_out / (osize * enc->channels);
+
+ /* output a pcm frame */
+ /* determine the size of the coded buffer */
+ size_out /= osize;
+ if (coded_bps)
+ size_out = size_out*coded_bps/8;
+
+ if(size_out > audio_out_size){
+ fprintf(stderr, "Internal error, buffer size too small\n");
+ exit_program(1);
+ }
+
+ //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
+ ret = avcodec_encode_audio(enc, audio_out, size_out,
+ (short *)buftmp);
+ if (ret < 0) {
+ fprintf(stderr, "Audio encoding failed\n");
+ exit_program(1);
+ }
+ audio_size += ret;
+ pkt.stream_index= ost->index;
+ pkt.data= audio_out;
+ pkt.size= ret;
+ if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
+ pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ write_frame(s, &pkt, enc, ost->bitstream_filters);
+ }
+}
+
+static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
+{
+ AVCodecContext *dec;
+ AVPicture *picture2;
+ AVPicture picture_tmp;
+ uint8_t *buf = 0;
+
+ dec = ist->st->codec;
+
+ /* deinterlace : must be done before any resize */
+ if (do_deinterlace) {
+ int size;
+
+ /* create temporary picture */
+ size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
+ buf = av_malloc(size);
+ if (!buf)
+ return;
+
+ picture2 = &picture_tmp;
+ avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
+
+ if(avpicture_deinterlace(picture2, picture,
+ dec->pix_fmt, dec->width, dec->height) < 0) {
+ /* if error, do not deinterlace */
+ fprintf(stderr, "Deinterlacing failed\n");
+ av_free(buf);
+ buf = NULL;
+ picture2 = picture;
+ }
+ } else {
+ picture2 = picture;
+ }
+
+ if (picture != picture2)
+ *picture = *picture2;
+ *bufp = buf;
+}
+
+static void do_subtitle_out(AVFormatContext *s,
+ OutputStream *ost,
+ InputStream *ist,
+ AVSubtitle *sub,
+ int64_t pts)
+{
+ static uint8_t *subtitle_out = NULL;
+ int subtitle_out_max_size = 1024 * 1024;
+ int subtitle_out_size, nb, i;
+ AVCodecContext *enc;
+ AVPacket pkt;
+
+ if (pts == AV_NOPTS_VALUE) {
+ fprintf(stderr, "Subtitle packets must have a pts\n");
+ if (exit_on_error)
+ exit_program(1);
+ return;
+ }
+
+ enc = ost->st->codec;
+
+ if (!subtitle_out) {
+ subtitle_out = av_malloc(subtitle_out_max_size);
+ }
+
+ /* Note: DVB subtitle need one packet to draw them and one other
+ packet to clear them */
+ /* XXX: signal it in the codec context ? */
+ if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
+ nb = 2;
+ else
+ nb = 1;
+
+ for(i = 0; i < nb; i++) {
+ sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
+ // start_display_time is required to be 0
+ sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
+ sub->end_display_time -= sub->start_display_time;
+ sub->start_display_time = 0;
+ subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
+ subtitle_out_max_size, sub);
+ if (subtitle_out_size < 0) {
+ fprintf(stderr, "Subtitle encoding failed\n");
+ exit_program(1);
+ }
+
+ av_init_packet(&pkt);
+ pkt.stream_index = ost->index;
+ pkt.data = subtitle_out;
+ pkt.size = subtitle_out_size;
+ pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
+ if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
+ /* XXX: the pts correction is handled here. Maybe handling
+ it in the codec would be better */
+ if (i == 0)
+ pkt.pts += 90 * sub->start_display_time;
+ else
+ pkt.pts += 90 * sub->end_display_time;
+ }
+ write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
+ }
+}
+
+static int bit_buffer_size= 1024*256;
+static uint8_t *bit_buffer= NULL;
+
+static void do_video_resample(OutputStream *ost,
+ InputStream *ist,
+ AVFrame *in_picture,
+ AVFrame **out_picture)
+{
+ int resample_changed = 0;
+ AVCodecContext *dec = ist->st->codec;
+ AVCodecContext *enc = ost->st->codec;
+ *out_picture = in_picture;
+
+ resample_changed = ost->resample_width != dec->width ||
+ ost->resample_height != dec->height ||
+ ost->resample_pix_fmt != dec->pix_fmt;
+
+#if !CONFIG_AVFILTER
+ if (resample_changed) {
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
+ ist->file_index, ist->st->index,
+ ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
+ dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
+ ost->resample_width = dec->width;
+ ost->resample_height = dec->height;
+ ost->resample_pix_fmt = dec->pix_fmt;
+ }
+
+ ost->video_resample = dec->width != enc->width ||
+ dec->height != enc->height ||
+ dec->pix_fmt != enc->pix_fmt;
+
+ if (ost->video_resample) {
+ *out_picture = &ost->resample_frame;
+ if (!ost->img_resample_ctx || resample_changed) {
+ /* initialize the destination picture */
+ if (!ost->resample_frame.data[0]) {
+ avcodec_get_frame_defaults(&ost->resample_frame);
+ if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
+ enc->width, enc->height)) {
+ fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
+ exit_program(1);
+ }
+ }
+ /* initialize a new scaler context */
+ sws_freeContext(ost->img_resample_ctx);
+ ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
+ enc->width, enc->height, enc->pix_fmt,
+ ost->sws_flags, NULL, NULL, NULL);
+ if (ost->img_resample_ctx == NULL) {
+ fprintf(stderr, "Cannot get resampling context\n");
+ exit_program(1);
+ }
+ }
+ sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
+ 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
+ }
+#else
+ if (resample_changed) {
+ avfilter_graph_free(&ost->graph);
+ if (configure_video_filters(ist, ost)) {
+ fprintf(stderr, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
+ }
+#endif
+ if (resample_changed) {
+ ost->resample_width = dec->width;
+ ost->resample_height = dec->height;
+ ost->resample_pix_fmt = dec->pix_fmt;
+ }
+}
+
+
+static void do_video_out(AVFormatContext *s,
+ OutputStream *ost,
+ InputStream *ist,
+ AVFrame *in_picture,
+ int *frame_size, float quality)
+{
+ int nb_frames, i, ret, format_video_sync;
+ AVFrame *final_picture;
+ AVCodecContext *enc;
+ double sync_ipts;
+
+ enc = ost->st->codec;
+
+ sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
+
+ /* by default, we output a single frame */
+ nb_frames = 1;
+
+ *frame_size = 0;
+
+ format_video_sync = video_sync_method;
+ if (format_video_sync < 0)
+ format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
+
+ if (format_video_sync) {
+ double vdelta = sync_ipts - ost->sync_opts;
+ //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
+ if (vdelta < -1.1)
+ nb_frames = 0;
+ else if (format_video_sync == 2) {
+ if(vdelta<=-0.6){
+ nb_frames=0;
+ }else if(vdelta>0.6)
+ ost->sync_opts= lrintf(sync_ipts);
+ }else if (vdelta > 1.1)
+ nb_frames = lrintf(vdelta);
+//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
+ if (nb_frames == 0){
+ ++nb_frames_drop;
+ if (verbose>2)
+ fprintf(stderr, "*** drop!\n");
+ }else if (nb_frames > 1) {
+ nb_frames_dup += nb_frames - 1;
+ if (verbose>2)
+ fprintf(stderr, "*** %d dup!\n", nb_frames-1);
+ }
+ }else
+ ost->sync_opts= lrintf(sync_ipts);
+
+ nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
+ if (nb_frames <= 0)
+ return;
+
+ do_video_resample(ost, ist, in_picture, &final_picture);
+
+ /* duplicates frame if needed */
+ for(i=0;i<nb_frames;i++) {
+ AVPacket pkt;
+ av_init_packet(&pkt);
+ pkt.stream_index= ost->index;
+
+ if (s->oformat->flags & AVFMT_RAWPICTURE) {
+ /* raw pictures are written as AVPicture structure to
+ avoid any copies. We support temporarily the older
+ method. */
+ enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
+ enc->coded_frame->top_field_first = in_picture->top_field_first;
+ pkt.data= (uint8_t *)final_picture;
+ pkt.size= sizeof(AVPicture);
+ pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
+ pkt.flags |= AV_PKT_FLAG_KEY;
+
+ write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
+ } else {
+ AVFrame big_picture;
+
+ big_picture= *final_picture;
+ /* better than nothing: use input picture interlaced
+ settings */
+ big_picture.interlaced_frame = in_picture->interlaced_frame;
+ if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
+ if (ost->top_field_first == -1)
+ big_picture.top_field_first = in_picture->top_field_first;
+ else
+ big_picture.top_field_first = !!ost->top_field_first;
+ }
+
+ /* handles same_quant here. This is not correct because it may
+ not be a global option */
+ big_picture.quality = quality;
+ if (!enc->me_threshold)
+ big_picture.pict_type = 0;
+// big_picture.pts = AV_NOPTS_VALUE;
+ big_picture.pts= ost->sync_opts;
+// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
+//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
+ if (ost->forced_kf_index < ost->forced_kf_count &&
+ big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+ big_picture.pict_type = AV_PICTURE_TYPE_I;
+ ost->forced_kf_index++;
+ }
+ ret = avcodec_encode_video(enc,
+ bit_buffer, bit_buffer_size,
+ &big_picture);
+ if (ret < 0) {
+ fprintf(stderr, "Video encoding failed\n");
+ exit_program(1);
+ }
+
+ if(ret>0){
+ pkt.data= bit_buffer;
+ pkt.size= ret;
+ if(enc->coded_frame->pts != AV_NOPTS_VALUE)
+ pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
+ pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
+ pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
+
+ if(enc->coded_frame->key_frame)
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
+ *frame_size = ret;
+ video_size += ret;
+ //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
+ // enc->frame_number-1, ret, enc->pict_type);
+ /* if two pass, output log */
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
+ }
+ }
+ }
+ ost->sync_opts++;
+ ost->frame_number++;
+ }
+}
+
+static double psnr(double d){
+ return -10.0*log(d)/log(10.0);
+}
+
+static void do_video_stats(AVFormatContext *os, OutputStream *ost,
+ int frame_size)
+{
+ AVCodecContext *enc;
+ int frame_number;
+ double ti1, bitrate, avg_bitrate;
+
+ /* this is executed just the first time do_video_stats is called */
+ if (!vstats_file) {
+ vstats_file = fopen(vstats_filename, "w");
+ if (!vstats_file) {
+ perror("fopen");
+ exit_program(1);
+ }
+ }
+
+ enc = ost->st->codec;
+ if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ frame_number = ost->frame_number;
+ fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
+ if (enc->flags&CODEC_FLAG_PSNR)
+ fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
+
+ fprintf(vstats_file,"f_size= %6d ", frame_size);
+ /* compute pts value */
+ ti1 = ost->sync_opts * av_q2d(enc->time_base);
+ if (ti1 < 0.01)
+ ti1 = 0.01;
+
+ bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
+ avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
+ fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
+ (double)video_size / 1024, ti1, bitrate, avg_bitrate);
+ fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+ }
+}
+
+static void print_report(OutputFile *output_files,
+ OutputStream *ost_table, int nb_ostreams,
+ int is_last_report, int64_t timer_start)
+{
+ char buf[1024];
+ OutputStream *ost;
+ AVFormatContext *oc;
+ int64_t total_size;
+ AVCodecContext *enc;
+ int frame_number, vid, i;
+ double bitrate;
+ int64_t pts = INT64_MAX;
+ static int64_t last_time = -1;
+ static int qp_histogram[52];
+
+ if (!is_last_report) {
+ int64_t cur_time;
+ /* display the report every 0.5 seconds */
+ cur_time = av_gettime();
+ if (last_time == -1) {
+ last_time = cur_time;
+ return;
+ }
+ if ((cur_time - last_time) < 500000)
+ return;
+ last_time = cur_time;
+ }
+
+
+ oc = output_files[0].ctx;
+
+ total_size = avio_size(oc->pb);
+ if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
+ total_size= avio_tell(oc->pb);
+
+ buf[0] = '\0';
+ vid = 0;
+ for(i=0;i<nb_ostreams;i++) {
+ float q = -1;
+ ost = &ost_table[i];
+ enc = ost->st->codec;
+ if (!ost->st->stream_copy && enc->coded_frame)
+ q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
+ if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
+ }
+ if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ float t = (av_gettime()-timer_start) / 1000000.0;
+
+ frame_number = ost->frame_number;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
+ frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
+ if(is_last_report)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
+ if(qp_hist){
+ int j;
+ int qp = lrintf(q);
+ if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
+ qp_histogram[qp]++;
+ for(j=0; j<32; j++)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
+ }
+ if (enc->flags&CODEC_FLAG_PSNR){
+ int j;
+ double error, error_sum=0;
+ double scale, scale_sum=0;
+ char type[3]= {'Y','U','V'};
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
+ for(j=0; j<3; j++){
+ if(is_last_report){
+ error= enc->error[j];
+ scale= enc->width*enc->height*255.0*255.0*frame_number;
+ }else{
+ error= enc->coded_frame->error[j];
+ scale= enc->width*enc->height*255.0*255.0;
+ }
+ if(j) scale/=4;
+ error_sum += error;
+ scale_sum += scale;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
+ }
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
+ }
+ vid = 1;
+ }
+ /* compute min output value */
+ pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
+ ost->st->time_base, AV_TIME_BASE_Q));
+ }
+
+ if (verbose > 0 || is_last_report) {
+ int hours, mins, secs, us;
+ secs = pts / AV_TIME_BASE;
+ us = pts % AV_TIME_BASE;
+ mins = secs / 60;
+ secs %= 60;
+ hours = mins / 60;
+ mins %= 60;
+
+ bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
+
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "size=%8.0fkB time=", total_size / 1024.0);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "%02d:%02d:%02d.%02d ", hours, mins, secs,
+ (100 * us) / AV_TIME_BASE);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "bitrate=%6.1fkbits/s", bitrate);
+
+ if (nb_frames_dup || nb_frames_drop)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
+ nb_frames_dup, nb_frames_drop);
+
+ if (verbose >= 0)
+ fprintf(stderr, "%s \r", buf);
+
+ fflush(stderr);
+ }
+
+ if (is_last_report && verbose >= 0){
+ int64_t raw= audio_size + video_size + extra_size;
+ fprintf(stderr, "\n");
+ fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
+ video_size/1024.0,
+ audio_size/1024.0,
+ extra_size/1024.0,
+ 100.0*(total_size - raw)/raw
+ );
+ }
+}
+
+static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
+{
+ int fill_char = 0x00;
+ if (sample_fmt == AV_SAMPLE_FMT_U8)
+ fill_char = 0x80;
+ memset(buf, fill_char, size);
+}
+
+static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
+{
+ int i, ret;
+
+ for (i = 0; i < nb_ostreams; i++) {
+ OutputStream *ost = &ost_table[i];
+ AVCodecContext *enc = ost->st->codec;
+ AVFormatContext *os = output_files[ost->file_index].ctx;
+
+ if (!ost->encoding_needed)
+ continue;
+
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
+ continue;
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
+ continue;
+
+ for(;;) {
+ AVPacket pkt;
+ int fifo_bytes;
+ av_init_packet(&pkt);
+ pkt.stream_index= ost->index;
+
+ switch (ost->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ fifo_bytes = av_fifo_size(ost->fifo);
+ ret = 0;
+ /* encode any samples remaining in fifo */
+ if (fifo_bytes > 0) {
+ int osize = av_get_bytes_per_sample(enc->sample_fmt);
+ int fs_tmp = enc->frame_size;
+
+ av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
+ if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
+ enc->frame_size = fifo_bytes / (osize * enc->channels);
+ } else { /* pad */
+ int frame_bytes = enc->frame_size*osize*enc->channels;
+ if (allocated_audio_buf_size < frame_bytes)
+ exit_program(1);
+ generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
+ }
+
+ ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
+ pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
+ ost->st->time_base.num, enc->sample_rate);
+ enc->frame_size = fs_tmp;
+ }
+ if (ret <= 0) {
+ ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
+ }
+ if (ret < 0) {
+ fprintf(stderr, "Audio encoding failed\n");
+ exit_program(1);
+ }
+ audio_size += ret;
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
+ if (ret < 0) {
+ fprintf(stderr, "Video encoding failed\n");
+ exit_program(1);
+ }
+ video_size += ret;
+ if(enc->coded_frame && enc->coded_frame->key_frame)
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
+ }
+ break;
+ default:
+ ret=-1;
+ }
+
+ if (ret <= 0)
+ break;
+ pkt.data = bit_buffer;
+ pkt.size = ret;
+ if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
+ pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+ write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
+ }
+ }
+}
+
+/* pkt = NULL means EOF (needed to flush decoder buffers) */
+static int output_packet(InputStream *ist, int ist_index,
+ OutputStream *ost_table, int nb_ostreams,
+ const AVPacket *pkt)
+{
+ AVFormatContext *os;
+ OutputStream *ost;
+ int ret, i;
+ int got_output;
+ AVFrame picture;
+ void *buffer_to_free = NULL;
+ static unsigned int samples_size= 0;
+ AVSubtitle subtitle, *subtitle_to_free;
+ int64_t pkt_pts = AV_NOPTS_VALUE;
+#if CONFIG_AVFILTER
+ int frame_available;
+#endif
+ float quality;
+
+ AVPacket avpkt;
+ int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
+
+ if(ist->next_pts == AV_NOPTS_VALUE)
+ ist->next_pts= ist->pts;
+
+ if (pkt == NULL) {
+ /* EOF handling */
+ av_init_packet(&avpkt);
+ avpkt.data = NULL;
+ avpkt.size = 0;
+ goto handle_eof;
+ } else {
+ avpkt = *pkt;
+ }
+
+ if(pkt->dts != AV_NOPTS_VALUE)
+ ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
+ if(pkt->pts != AV_NOPTS_VALUE)
+ pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
+
+ //while we have more to decode or while the decoder did output something on EOF
+ while (avpkt.size > 0 || (!pkt && got_output)) {
+ uint8_t *data_buf, *decoded_data_buf;
+ int data_size, decoded_data_size;
+ handle_eof:
+ ist->pts= ist->next_pts;
+
+ if(avpkt.size && avpkt.size != pkt->size &&
+ ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
+ fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
+ ist->showed_multi_packet_warning=1;
+ }
+
+ /* decode the packet if needed */
+ decoded_data_buf = NULL; /* fail safe */
+ decoded_data_size= 0;
+ data_buf = avpkt.data;
+ data_size = avpkt.size;
+ subtitle_to_free = NULL;
+ if (ist->decoding_needed) {
+ switch(ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:{
+ if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
+ samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
+ av_free(samples);
+ samples= av_malloc(samples_size);
+ }
+ decoded_data_size= samples_size;
+ /* XXX: could avoid copy if PCM 16 bits with same
+ endianness as CPU */
+ ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
+ &avpkt);
+ if (ret < 0)
+ return ret;
+ avpkt.data += ret;
+ avpkt.size -= ret;
+ data_size = ret;
+ got_output = decoded_data_size > 0;
+ /* Some bug in mpeg audio decoder gives */
+ /* decoded_data_size < 0, it seems they are overflows */
+ if (!got_output) {
+ /* no audio frame */
+ continue;
+ }
+ decoded_data_buf = (uint8_t *)samples;
+ ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
+ (ist->st->codec->sample_rate * ist->st->codec->channels);
+ break;}
+ case AVMEDIA_TYPE_VIDEO:
+ decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
+ /* XXX: allocate picture correctly */
+ avcodec_get_frame_defaults(&picture);
+ avpkt.pts = pkt_pts;
+ avpkt.dts = ist->pts;
+ pkt_pts = AV_NOPTS_VALUE;
+
+ ret = avcodec_decode_video2(ist->st->codec,
+ &picture, &got_output, &avpkt);
+ quality = same_quant ? picture.quality : 0;
+ if (ret < 0)
+ return ret;
+ if (!got_output) {
+ /* no picture yet */
+ goto discard_packet;
+ }
+ ist->next_pts = ist->pts = picture.best_effort_timestamp;
+ if (ist->st->codec->time_base.num != 0) {
+ int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
+ ist->next_pts += ((int64_t)AV_TIME_BASE *
+ ist->st->codec->time_base.num * ticks) /
+ ist->st->codec->time_base.den;
+ }
+ avpkt.size = 0;
+ buffer_to_free = NULL;
+ pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ ret = avcodec_decode_subtitle2(ist->st->codec,
+ &subtitle, &got_output, &avpkt);
+ if (ret < 0)
+ return ret;
+ if (!got_output) {
+ goto discard_packet;
+ }
+ subtitle_to_free = &subtitle;
+ avpkt.size = 0;
+ break;
+ default:
+ return -1;
+ }
+ } else {
+ switch(ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
+ ist->st->codec->sample_rate;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ if (ist->st->codec->time_base.num != 0) {
+ int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
+ ist->next_pts += ((int64_t)AV_TIME_BASE *
+ ist->st->codec->time_base.num * ticks) /
+ ist->st->codec->time_base.den;
+ }
+ break;
+ }
+ avpkt.size = 0;
+ }
+
+ // preprocess audio (volume)
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if (audio_volume != 256) {
+ short *volp;
+ volp = samples;
+ for(i=0;i<(decoded_data_size / sizeof(short));i++) {
+ int v = ((*volp) * audio_volume + 128) >> 8;
+ *volp++ = av_clip_int16(v);
+ }
+ }
+ }
+
+ /* frame rate emulation */
+ if (input_files[ist->file_index].rate_emu) {
+ int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
+ int64_t now = av_gettime() - ist->start;
+ if (pts > now)
+ usleep(pts - now);
+ }
+ /* if output time reached then transcode raw format,
+ encode packets and output them */
+ for (i = 0; i < nb_ostreams; i++) {
+ OutputFile *of = &output_files[ost_table[i].file_index];
+ int frame_size;
+
+ ost = &ost_table[i];
+ if (ost->source_index != ist_index)
+ continue;
+
+ if (of->start_time && ist->pts < of->start_time)
+ continue;
+
+ if (of->recording_time != INT64_MAX &&
+ av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
+ (AVRational){1, 1000000}) >= 0) {
+ ost->is_past_recording_time = 1;
+ continue;
+ }
+
+#if CONFIG_AVFILTER
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ ost->input_video_filter) {
+ if (!picture.sample_aspect_ratio.num)
+ picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
+ picture.pts = ist->pts;
+
+ av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
+ }
+ frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
+ !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
+ while (frame_available) {
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
+ AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
+ if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
+ goto cont;
+ if (ost->picref) {
+ avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
+ ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+ }
+ }
+#endif
+ os = output_files[ost->file_index].ctx;
+
+ /* set the input output pts pairs */
+ //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
+
+ if (ost->encoding_needed) {
+ av_assert0(ist->decoding_needed);
+ switch(ost->st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+#if CONFIG_AVFILTER
+ if (ost->picref->video && !ost->frame_aspect_ratio)
+ ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
+#endif
+ do_video_out(os, ost, ist, &picture, &frame_size,
+ same_quant ? quality : ost->st->codec->global_quality);
+ if (vstats_filename && frame_size)
+ do_video_stats(os, ost, frame_size);
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ do_subtitle_out(os, ost, ist, &subtitle,
+ pkt->pts);
+ break;
+ default:
+ abort();
+ }
+ } else {
+ AVFrame avframe; //FIXME/XXX remove this
+ AVPicture pict;
+ AVPacket opkt;
+ int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
+ av_init_packet(&opkt);
+
+ if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
+#if !CONFIG_AVFILTER
+ continue;
+#else
+ goto cont;
+#endif
+
+ /* no reencoding needed : output the packet directly */
+ /* force the input stream PTS */
+
+ avcodec_get_frame_defaults(&avframe);
+ ost->st->codec->coded_frame= &avframe;
+ avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
+
+ if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+ audio_size += data_size;
+ else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ video_size += data_size;
+ ost->sync_opts++;
+ }
+
+ opkt.stream_index= ost->index;
+ if(pkt->pts != AV_NOPTS_VALUE)
+ opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
+ else
+ opkt.pts= AV_NOPTS_VALUE;
+
+ if (pkt->dts == AV_NOPTS_VALUE)
+ opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
+ else
+ opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
+ opkt.dts -= ost_tb_start_time;
+
+ opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
+ opkt.flags= pkt->flags;
+
+ //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
+ if( ost->st->codec->codec_id != CODEC_ID_H264
+ && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
+ && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
+ ) {
+ if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
+ opkt.destruct= av_destruct_packet;
+ } else {
+ opkt.data = data_buf;
+ opkt.size = data_size;
+ }
+
+ if (os->oformat->flags & AVFMT_RAWPICTURE) {
+ /* store AVPicture in AVPacket, as expected by the output format */
+ avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
+ opkt.data = (uint8_t *)&pict;
+ opkt.size = sizeof(AVPicture);
+ opkt.flags |= AV_PKT_FLAG_KEY;
+ }
+ write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
+ ost->st->codec->frame_number++;
+ ost->frame_number++;
+ av_free_packet(&opkt);
+ }
+#if CONFIG_AVFILTER
+ cont:
+ frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
+ ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
+ if (ost->picref)
+ avfilter_unref_buffer(ost->picref);
+ }
+#endif
+ }
+
+ av_free(buffer_to_free);
+ /* XXX: allocate the subtitles in the codec ? */
+ if (subtitle_to_free) {
+ avsubtitle_free(subtitle_to_free);
+ subtitle_to_free = NULL;
+ }
+ }
+ discard_packet:
+
+ return 0;
+}
+
+static void print_sdp(OutputFile *output_files, int n)
+{
+ char sdp[2048];
+ int i;
+ AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
+
+ if (!avc)
+ exit_program(1);
+ for (i = 0; i < n; i++)
+ avc[i] = output_files[i].ctx;
+
+ av_sdp_create(avc, n, sdp, sizeof(sdp));
+ printf("SDP:\n%s\n", sdp);
+ fflush(stdout);
+ av_freep(&avc);
+}
+
+static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
+ char *error, int error_len)
+{
+ int i;
+ InputStream *ist = &input_streams[ist_index];
+ if (ist->decoding_needed) {
+ AVCodec *codec = ist->dec;
+ if (!codec) {
+ snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
+ ist->st->codec->codec_id, ist->file_index, ist->st->index);
+ return AVERROR(EINVAL);
+ }
+
+ if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
+ snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
+ ist->file_index, ist->st->index);
+ return AVERROR(EINVAL);
+ }
+ assert_codec_experimental(ist->st->codec, 0);
+ assert_avoptions(ist->opts);
+ }
+
+ ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
+ ist->next_pts = AV_NOPTS_VALUE;
+ ist->is_start = 1;
+
+ return 0;
+}
+
+static int transcode_init(OutputFile *output_files,
+ int nb_output_files,
+ InputFile *input_files,
+ int nb_input_files)
+{
+ int ret = 0, i, j, k;
+ AVFormatContext *os;
+ AVCodecContext *codec, *icodec;
+ OutputStream *ost;
+ InputStream *ist;
+ char error[1024];
+ int want_sdp = 1;
+
+ /* init framerate emulation */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *ifile = &input_files[i];
+ if (ifile->rate_emu)
+ for (j = 0; j < ifile->nb_streams; j++)
+ input_streams[j + ifile->ist_index].start = av_gettime();
+ }
+
+ /* output stream init */
+ for(i=0;i<nb_output_files;i++) {
+ os = output_files[i].ctx;
+ if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
+ av_dump_format(os, i, os->filename, 1);
+ fprintf(stderr, "Output file #%d does not contain any stream\n", i);
+ return AVERROR(EINVAL);
+ }
+ }
+
+ /* for each output stream, we compute the right encoding parameters */
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = &output_streams[i];
+ os = output_files[ost->file_index].ctx;
+ ist = &input_streams[ost->source_index];
+
+ codec = ost->st->codec;
+ icodec = ist->st->codec;
+
+ ost->st->disposition = ist->st->disposition;
+ codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
+ codec->chroma_sample_location = icodec->chroma_sample_location;
+
+ if (ost->st->stream_copy) {
+ uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+
+ if (extra_size > INT_MAX) {
+ return AVERROR(EINVAL);
+ }
+
+ /* if stream_copy is selected, no need to decode or encode */
+ codec->codec_id = icodec->codec_id;
+ codec->codec_type = icodec->codec_type;
+
+ if(!codec->codec_tag){
+ if( !os->oformat->codec_tag
+ || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
+ || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
+ codec->codec_tag = icodec->codec_tag;
+ }
+
+ codec->bit_rate = icodec->bit_rate;
+ codec->rc_max_rate = icodec->rc_max_rate;
+ codec->rc_buffer_size = icodec->rc_buffer_size;
+ codec->extradata= av_mallocz(extra_size);
+ if (!codec->extradata) {
+ return AVERROR(ENOMEM);
+ }
+ memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
+ codec->extradata_size= icodec->extradata_size;
+
+ codec->time_base = ist->st->time_base;
+ if(!strcmp(os->oformat->name, "avi")) {
+ if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
+ codec->time_base = icodec->time_base;
+ codec->time_base.num *= icodec->ticks_per_frame;
+ codec->time_base.den *= 2;
+ }
+ } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
+ if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
+ codec->time_base = icodec->time_base;
+ codec->time_base.num *= icodec->ticks_per_frame;
+ }
+ }
+ av_reduce(&codec->time_base.num, &codec->time_base.den,
+ codec->time_base.num, codec->time_base.den, INT_MAX);
+
+ switch(codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ if(audio_volume != 256) {
+ fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
+ exit_program(1);
+ }
+ codec->channel_layout = icodec->channel_layout;
+ codec->sample_rate = icodec->sample_rate;
+ codec->channels = icodec->channels;
+ codec->frame_size = icodec->frame_size;
+ codec->audio_service_type = icodec->audio_service_type;
+ codec->block_align= icodec->block_align;
+ if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
+ codec->block_align= 0;
+ if(codec->codec_id == CODEC_ID_AC3)
+ codec->block_align= 0;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ codec->pix_fmt = icodec->pix_fmt;
+ codec->width = icodec->width;
+ codec->height = icodec->height;
+ codec->has_b_frames = icodec->has_b_frames;
+ if (!codec->sample_aspect_ratio.num) {
+ codec->sample_aspect_ratio =
+ ost->st->sample_aspect_ratio =
+ ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
+ ist->st->codec->sample_aspect_ratio.num ?
+ ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
+ }
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ codec->width = icodec->width;
+ codec->height = icodec->height;
+ break;
+ case AVMEDIA_TYPE_DATA:
+ break;
+ default:
+ abort();
+ }
+ } else {
+ if (!ost->enc)
+ ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+ switch(codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ ost->fifo= av_fifo_alloc(1024);
+ if (!ost->fifo) {
+ return AVERROR(ENOMEM);
+ }
+ ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
+ if (!codec->sample_rate) {
+ codec->sample_rate = icodec->sample_rate;
+ }
+ choose_sample_rate(ost->st, ost->enc);
+ codec->time_base = (AVRational){1, codec->sample_rate};
+ if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
+ codec->sample_fmt = icodec->sample_fmt;
+ choose_sample_fmt(ost->st, ost->enc);
+ if (!codec->channels) {
+ codec->channels = icodec->channels;
+ codec->channel_layout = icodec->channel_layout;
+ }
+ if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
+ codec->channel_layout = 0;
+ ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
+ icodec->request_channels = codec->channels;
+ ist->decoding_needed = 1;
+ ost->encoding_needed = 1;
+ ost->resample_sample_fmt = icodec->sample_fmt;
+ ost->resample_sample_rate = icodec->sample_rate;
+ ost->resample_channels = icodec->channels;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ if (codec->pix_fmt == PIX_FMT_NONE)
+ codec->pix_fmt = icodec->pix_fmt;
+ choose_pixel_fmt(ost->st, ost->enc);
+
+ if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
+ fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
+ exit_program(1);
+ }
+
+ if (!codec->width || !codec->height) {
+ codec->width = icodec->width;
+ codec->height = icodec->height;
+ }
+
+ ost->video_resample = codec->width != icodec->width ||
+ codec->height != icodec->height ||
+ codec->pix_fmt != icodec->pix_fmt;
+ if (ost->video_resample) {
+ codec->bits_per_raw_sample= frame_bits_per_raw_sample;
+ }
+
+ ost->resample_height = icodec->height;
+ ost->resample_width = icodec->width;
+ ost->resample_pix_fmt= icodec->pix_fmt;
+ ost->encoding_needed = 1;
+ ist->decoding_needed = 1;
+
+ if (!ost->frame_rate.num)
+ ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
+ if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
+ int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
+ ost->frame_rate = ost->enc->supported_framerates[idx];
+ }
+ codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
+ if( av_q2d(codec->time_base) < 0.001 && video_sync_method
+ && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
+ av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
+ "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
+ }
+
+#if CONFIG_AVFILTER
+ if (configure_video_filters(ist, ost)) {
+ fprintf(stderr, "Error opening filters!\n");
+ exit(1);
+ }
+#endif
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ ost->encoding_needed = 1;
+ ist->decoding_needed = 1;
+ break;
+ default:
+ abort();
+ break;
+ }
+ /* two pass mode */
+ if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
+ (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
+ char logfilename[1024];
+ FILE *f;
+
+ snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
+ pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
+ i);
+ if (codec->flags & CODEC_FLAG_PASS1) {
+ f = fopen(logfilename, "wb");
+ if (!f) {
+ fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
+ exit_program(1);
+ }
+ ost->logfile = f;
+ } else {
+ char *logbuffer;
+ size_t logbuffer_size;
+ if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
+ fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
+ exit_program(1);
+ }
+ codec->stats_in = logbuffer;
+ }
+ }
+ }
+ if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
+ /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
+ int size= codec->width * codec->height;
+ bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
+ }
+ }
+
+ if (!bit_buffer)
+ bit_buffer = av_malloc(bit_buffer_size);
+ if (!bit_buffer) {
+ fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
+ bit_buffer_size);
+ return AVERROR(ENOMEM);
+ }
+
+ /* open each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = &output_streams[i];
+ if (ost->encoding_needed) {
+ AVCodec *codec = ost->enc;
+ AVCodecContext *dec = input_streams[ost->source_index].st->codec;
+ if (!codec) {
+ snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
+ ost->st->codec->codec_id, ost->file_index, ost->index);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+ if (dec->subtitle_header) {
+ ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
+ if (!ost->st->codec->subtitle_header) {
+ ret = AVERROR(ENOMEM);
+ goto dump_format;
+ }
+ memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+ ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
+ }
+ if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
+ snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
+ ost->file_index, ost->index);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+ assert_codec_experimental(ost->st->codec, 1);
+ assert_avoptions(ost->opts);
+ if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
+ av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
+ "It takes bits/s as argument, not kbits/s\n");
+ extra_size += ost->st->codec->extradata_size;
+
+ if (ost->st->codec->me_threshold)
+ input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
+ }
+ }
+
+ /* init input streams */
+ for (i = 0; i < nb_input_streams; i++)
+ if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
+ goto dump_format;
+
+ /* discard unused programs */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *ifile = &input_files[i];
+ for (j = 0; j < ifile->ctx->nb_programs; j++) {
+ AVProgram *p = ifile->ctx->programs[j];
+ int discard = AVDISCARD_ALL;
+
+ for (k = 0; k < p->nb_stream_indexes; k++)
+ if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
+ discard = AVDISCARD_DEFAULT;
+ break;
+ }
+ p->discard = discard;
+ }
+ }
+
+ /* open files and write file headers */
+ for (i = 0; i < nb_output_files; i++) {
+ os = output_files[i].ctx;
+ if (avformat_write_header(os, &output_files[i].opts) < 0) {
+ snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+// assert_avoptions(output_files[i].opts);
+ if (strcmp(os->oformat->name, "rtp")) {
+ want_sdp = 0;
+ }
+ }
+
+ dump_format:
+ /* dump the file output parameters - cannot be done before in case
+ of stream copy */
+ for(i=0;i<nb_output_files;i++) {
+ av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
+ }
+
+ /* dump the stream mapping */
+ if (verbose >= 0) {
+ fprintf(stderr, "Stream mapping:\n");
+ for (i = 0; i < nb_output_streams;i ++) {
+ ost = &output_streams[i];
+ fprintf(stderr, " Stream #%d.%d -> #%d.%d",
+ input_streams[ost->source_index].file_index,
+ input_streams[ost->source_index].st->index,
+ ost->file_index,
+ ost->index);
+ if (ost->sync_ist != &input_streams[ost->source_index])
+ fprintf(stderr, " [sync #%d.%d]",
+ ost->sync_ist->file_index,
+ ost->sync_ist->st->index);
+ if (ost->st->stream_copy)
+ fprintf(stderr, " (copy)");
+ else
+ fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
+ input_streams[ost->source_index].dec->name : "?",
+ ost->enc ? ost->enc->name : "?");
+ fprintf(stderr, "\n");
+ }
+ }
+
+ if (ret) {
+ fprintf(stderr, "%s\n", error);
+ return ret;
+ }
+
+ if (want_sdp) {
+ print_sdp(output_files, nb_output_files);
+ }
+
+ return 0;
+}
+
+/*
+ * The following code is the main loop of the file converter
+ */
+static int transcode(OutputFile *output_files,
+ int nb_output_files,
+ InputFile *input_files,
+ int nb_input_files)
+{
+ int ret, i;
+ AVFormatContext *is, *os;
+ OutputStream *ost;
+ InputStream *ist;
+ uint8_t *no_packet;
+ int no_packet_count=0;
+ int64_t timer_start;
+ int key;
+
+ if (!(no_packet = av_mallocz(nb_input_files)))
+ exit_program(1);
+
+ ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
+ if (ret < 0)
+ goto fail;
+
+ if (!using_stdin) {
+ if(verbose >= 0)
+ fprintf(stderr, "Press [q] to stop, [?] for help\n");
+ avio_set_interrupt_cb(decode_interrupt_cb);
+ }
+ term_init();
+
+ timer_start = av_gettime();
+
+ for(; received_sigterm == 0;) {
+ int file_index, ist_index;
+ AVPacket pkt;
+ int64_t ipts_min;
+ double opts_min;
+
+ ipts_min = INT64_MAX;
+ opts_min= 1e100;
+ /* if 'q' pressed, exits */
+ if (!using_stdin) {
+ if (q_pressed)
+ break;
+ /* read_key() returns 0 on EOF */
+ key = read_key();
+ if (key == 'q')
+ break;
+ if (key == '+') verbose++;
+ if (key == '-') verbose--;
+ if (key == 's') qp_hist ^= 1;
+ if (key == 'h'){
+ if (do_hex_dump){
+ do_hex_dump = do_pkt_dump = 0;
+ } else if(do_pkt_dump){
+ do_hex_dump = 1;
+ } else
+ do_pkt_dump = 1;
+ av_log_set_level(AV_LOG_DEBUG);
+ }
+ if (key == 'd' || key == 'D'){
+ int debug=0;
+ if(key == 'D') {
+ debug = input_streams[0].st->codec->debug<<1;
+ if(!debug) debug = 1;
+ while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
+ debug += debug;
+ }else
+ scanf("%d", &debug);
+ for(i=0;i<nb_input_streams;i++) {
+ input_streams[i].st->codec->debug = debug;
+ }
+ for(i=0;i<nb_output_streams;i++) {
+ ost = &output_streams[i];
+ ost->st->codec->debug = debug;
+ }
+ if(debug) av_log_set_level(AV_LOG_DEBUG);
+ fprintf(stderr,"debug=%d\n", debug);
+ }
+ if (key == '?'){
+ fprintf(stderr, "key function\n"
+ "? show this help\n"
+ "+ increase verbosity\n"
+ "- decrease verbosity\n"
+ "D cycle through available debug modes\n"
+ "h dump packets/hex press to cycle through the 3 states\n"
+ "q quit\n"
+ "s Show QP histogram\n"
+ );
+ }
+ }
+
+ /* select the stream that we must read now by looking at the
+ smallest output pts */
+ file_index = -1;
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputFile *of;
+ int64_t ipts;
+ double opts;
+ ost = &output_streams[i];
+ of = &output_files[ost->file_index];
+ os = output_files[ost->file_index].ctx;
+ ist = &input_streams[ost->source_index];
+ if (ost->is_past_recording_time || no_packet[ist->file_index] ||
+ (os->pb && avio_tell(os->pb) >= of->limit_filesize))
+ continue;
+ opts = ost->st->pts.val * av_q2d(ost->st->time_base);
+ ipts = ist->pts;
+ if (!input_files[ist->file_index].eof_reached){
+ if(ipts < ipts_min) {
+ ipts_min = ipts;
+ if(input_sync ) file_index = ist->file_index;
+ }
+ if(opts < opts_min) {
+ opts_min = opts;
+ if(!input_sync) file_index = ist->file_index;
+ }
+ }
+ if (ost->frame_number >= ost->max_frames) {
+ int j;
+ for (j = of->ost_index; j < of->ctx->nb_streams; j++)
+ output_streams[j].is_past_recording_time = 1;
+ continue;
+ }
+ }
+ /* if none, if is finished */
+ if (file_index < 0) {
+ if(no_packet_count){
+ no_packet_count=0;
+ memset(no_packet, 0, nb_input_files);
+ usleep(10000);
+ continue;
+ }
+ break;
+ }
+
+ /* read a frame from it and output it in the fifo */
+ is = input_files[file_index].ctx;
+ ret= av_read_frame(is, &pkt);
+ if(ret == AVERROR(EAGAIN)){
+ no_packet[file_index]=1;
+ no_packet_count++;
+ continue;
+ }
+ if (ret < 0) {
+ input_files[file_index].eof_reached = 1;
+ if (opt_shortest)
+ break;
+ else
+ continue;
+ }
+
+ no_packet_count=0;
+ memset(no_packet, 0, nb_input_files);
+
+ if (do_pkt_dump) {
+ av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
+ is->streams[pkt.stream_index]);
+ }
+ /* the following test is needed in case new streams appear
+ dynamically in stream : we ignore them */
+ if (pkt.stream_index >= input_files[file_index].nb_streams)
+ goto discard_packet;
+ ist_index = input_files[file_index].ist_index + pkt.stream_index;
+ ist = &input_streams[ist_index];
+ if (ist->discard)
+ goto discard_packet;
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
+
+ if(pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts *= ist->ts_scale;
+ if(pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts *= ist->ts_scale;
+
+// fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
+ if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
+ && (is->iformat->flags & AVFMT_TS_DISCONT)) {
+ int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
+ int64_t delta= pkt_dts - ist->next_pts;
+ if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
+ input_files[ist->file_index].ts_offset -= delta;
+ if (verbose > 2)
+ fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
+ delta, input_files[ist->file_index].ts_offset);
+ pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ if(pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ }
+ }
+
+ //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
+ if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
+
+ if (verbose >= 0)
+ fprintf(stderr, "Error while decoding stream #%d.%d\n",
+ ist->file_index, ist->st->index);
+ if (exit_on_error)
+ exit_program(1);
+ av_free_packet(&pkt);
+ continue;
+ }
+
+ discard_packet:
+ av_free_packet(&pkt);
+
+ /* dump report by using the output first video and audio streams */
+ print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
+ }
+
+ /* at the end of stream, we must flush the decoder buffers */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = &input_streams[i];
+ if (ist->decoding_needed) {
+ output_packet(ist, i, output_streams, nb_output_streams, NULL);
+ }
+ }
+ flush_encoders(output_streams, nb_output_streams);
+
+ term_exit();
+
+ /* write the trailer if needed and close file */
+ for(i=0;i<nb_output_files;i++) {
+ os = output_files[i].ctx;
+ av_write_trailer(os);
+ }
+
+ /* dump report by using the first video and audio streams */
+ print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
+
+ /* close each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = &output_streams[i];
+ if (ost->encoding_needed) {
+ av_freep(&ost->st->codec->stats_in);
+ avcodec_close(ost->st->codec);
+ }
+#if CONFIG_AVFILTER
+ avfilter_graph_free(&ost->graph);
+#endif
+ }
+
+ /* close each decoder */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = &input_streams[i];
+ if (ist->decoding_needed) {
+ avcodec_close(ist->st->codec);
+ }
+ }
+
+ /* finished ! */
+ ret = 0;
+
+ fail:
+ av_freep(&bit_buffer);
+ av_freep(&no_packet);
+
+ if (output_streams) {
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = &output_streams[i];
+ if (ost) {
+ if (ost->st->stream_copy)
+ av_freep(&ost->st->codec->extradata);
+ if (ost->logfile) {
+ fclose(ost->logfile);
+ ost->logfile = NULL;
+ }
+ av_fifo_free(ost->fifo); /* works even if fifo is not
+ initialized but set to zero */
+ av_freep(&ost->st->codec->subtitle_header);
+ av_free(ost->resample_frame.data[0]);
+ av_free(ost->forced_kf_pts);
+ if (ost->video_resample)
+ sws_freeContext(ost->img_resample_ctx);
+ if (ost->resample)
+ audio_resample_close(ost->resample);
+ if (ost->reformat_ctx)
+ av_audio_convert_free(ost->reformat_ctx);
+ av_dict_free(&ost->opts);
+ }
+ }
+ }
+ return ret;
+}
+
+static int opt_verbose(const char *opt, const char *arg)
+{
+ verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
+ return 0;
+}
+
+static double parse_frame_aspect_ratio(const char *arg)
+{
+ int x = 0, y = 0;
+ double ar = 0;
+ const char *p;
+ char *end;
+
+ p = strchr(arg, ':');
+ if (p) {
+ x = strtol(arg, &end, 10);
+ if (end == p)
+ y = strtol(end+1, &end, 10);
+ if (x > 0 && y > 0)
+ ar = (double)x / (double)y;
+ } else
+ ar = strtod(arg, NULL);
+
+ if (!ar) {
+ fprintf(stderr, "Incorrect aspect ratio specification.\n");
+ exit_program(1);
+ }
+ return ar;
+}
+
+static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:a", arg, options);
+}
+
+static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:v", arg, options);
+}
+
+static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:s", arg, options);
+}
+
+static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "codec:d", arg, options);
+}
+
+static int opt_map(OptionsContext *o, const char *opt, const char *arg)
+{
+ StreamMap *m = NULL;
+ int i, negative = 0, file_idx;
+ int sync_file_idx = -1, sync_stream_idx;
+ char *p, *sync;
+ char *map;
+
+ if (*arg == '-') {
+ negative = 1;
+ arg++;
+ }
+ map = av_strdup(arg);
+
+ /* parse sync stream first, just pick first matching stream */
+ if (sync = strchr(map, ',')) {
+ *sync = 0;
+ sync_file_idx = strtol(sync + 1, &sync, 0);
+ if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
+ exit_program(1);
+ }
+ if (*sync)
+ sync++;
+ for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
+ if (check_stream_specifier(input_files[sync_file_idx].ctx,
+ input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
+ sync_stream_idx = i;
+ break;
+ }
+ if (i == input_files[sync_file_idx].nb_streams) {
+ av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
+ "match any streams.\n", arg);
+ exit_program(1);
+ }
+ }
+
+
+ file_idx = strtol(map, &p, 0);
+ if (file_idx >= nb_input_files || file_idx < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
+ exit_program(1);
+ }
+ if (negative)
+ /* disable some already defined maps */
+ for (i = 0; i < o->nb_stream_maps; i++) {
+ m = &o->stream_maps[i];
+ if (check_stream_specifier(input_files[m->file_index].ctx,
+ input_files[m->file_index].ctx->streams[m->stream_index],
+ *p == ':' ? p + 1 : p) > 0)
+ m->disabled = 1;
+ }
+ else
+ for (i = 0; i < input_files[file_idx].nb_streams; i++) {
+ if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
+ *p == ':' ? p + 1 : p) <= 0)
+ continue;
+ o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
+ &o->nb_stream_maps, o->nb_stream_maps + 1);
+ m = &o->stream_maps[o->nb_stream_maps - 1];
+
+ m->file_index = file_idx;
+ m->stream_index = i;
+
+ if (sync_file_idx >= 0) {
+ m->sync_file_index = sync_file_idx;
+ m->sync_stream_index = sync_stream_idx;
+ } else {
+ m->sync_file_index = file_idx;
+ m->sync_stream_index = i;
+ }
+ }
+
+ if (!m) {
+ av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
+ exit_program(1);
+ }
+
+ av_freep(&map);
+ return 0;
+}
+
+static void parse_meta_type(char *arg, char *type, int *index)
+{
+ if (*arg) {
+ *type = *arg;
+ switch (*arg) {
+ case 'g':
+ break;
+ case 's':
+ case 'c':
+ case 'p':
+ if (*(++arg) == ':')
+ *index = strtol(++arg, NULL, 0);
+ break;
+ default:
+ fprintf(stderr, "Invalid metadata type %c.\n", *arg);
+ exit_program(1);
+ }
+ } else
+ *type = 'g';
+}
+
+static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
+{
+ MetadataMap *m, *m1;
+ char *p;
+
+ o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
+ &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
+
+ m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
+ m->file = strtol(arg, &p, 0);
+ parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
+
+ m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
+ if (p = strchr(opt, ':'))
+ parse_meta_type(p + 1, &m1->type, &m1->index);
+ else
+ m1->type = 'g';
+
+ if (m->type == 'g' || m1->type == 'g')
+ o->metadata_global_manual = 1;
+ if (m->type == 's' || m1->type == 's')
+ o->metadata_streams_manual = 1;
+ if (m->type == 'c' || m1->type == 'c')
+ o->metadata_chapters_manual = 1;
+
+ return 0;
+}
+
+static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
+{
+ const char *codec_string = encoder ? "encoder" : "decoder";
+ AVCodec *codec;
+
+ if(!name)
+ return CODEC_ID_NONE;
+ codec = encoder ?
+ avcodec_find_encoder_by_name(name) :
+ avcodec_find_decoder_by_name(name);
+ if(!codec) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
+ exit_program(1);
+ }
+ if(codec->type != type) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
+ exit_program(1);
+ }
+ return codec->id;
+}
+
+static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
+{
+ char *codec_name = NULL;
+
+ MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
+
+ if (!codec_name) {
+ if (s->oformat) {
+ st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
+ return avcodec_find_encoder(st->codec->codec_id);
+ }
+ } else if (!strcmp(codec_name, "copy"))
+ st->stream_copy = 1;
+ else {
+ st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
+ return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
+ avcodec_find_decoder_by_name(codec_name);
+ }
+
+ return NULL;
+}
+
+/**
+ * Add all the streams from the given input file to the global
+ * list of input streams.
+ */
+static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
+{
+ int i, rfps, rfps_base;
+
+ for (i = 0; i < ic->nb_streams; i++) {
+ AVStream *st = ic->streams[i];
+ AVCodecContext *dec = st->codec;
+ InputStream *ist;
+ double scale = 1.0;
+
+ input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
+ ist = &input_streams[nb_input_streams - 1];
+ ist->st = st;
+ ist->file_index = nb_input_files;
+ ist->discard = 1;
+ ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
+
+ MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
+ ist->ts_scale = scale;
+
+ ist->dec = choose_codec(o, ic, st, dec->codec_type);
+ if (!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+
+ switch (dec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+ if(o->audio_disable)
+ st->discard= AVDISCARD_ALL;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+ rfps = ic->streams[i]->r_frame_rate.num;
+ rfps_base = ic->streams[i]->r_frame_rate.den;
+ if (dec->lowres) {
+ dec->flags |= CODEC_FLAG_EMU_EDGE;
+ }
+
+ if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
+
+ if (verbose >= 0)
+ fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
+ i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
+
+ (float)rfps / rfps_base, rfps, rfps_base);
+ }
+
+ if (o->video_disable)
+ st->discard= AVDISCARD_ALL;
+ else if(video_discard)
+ st->discard= video_discard;
+ break;
+ case AVMEDIA_TYPE_DATA:
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+ if(o->subtitle_disable)
+ st->discard = AVDISCARD_ALL;
+ break;
+ case AVMEDIA_TYPE_ATTACHMENT:
+ case AVMEDIA_TYPE_UNKNOWN:
+ break;
+ default:
+ abort();
+ }
+ }
+}
+
+static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
+{
+ AVFormatContext *ic;
+ AVInputFormat *file_iformat = NULL;
+ int err, i, ret;
+ int64_t timestamp;
+ uint8_t buf[128];
+ AVDictionary **opts;
+ int orig_nb_streams; // number of streams before avformat_find_stream_info
+
+ if (o->format) {
+ if (!(file_iformat = av_find_input_format(o->format))) {
+ fprintf(stderr, "Unknown input format: '%s'\n", o->format);
+ exit_program(1);
+ }
+ }
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ using_stdin |= !strncmp(filename, "pipe:", 5) ||
+ !strcmp(filename, "/dev/stdin");
+
+ /* get default parameters from command line */
+ ic = avformat_alloc_context();
+ if (!ic) {
+ print_error(filename, AVERROR(ENOMEM));
+ exit_program(1);
+ }
+ if (o->nb_audio_sample_rate) {
+ snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
+ av_dict_set(&format_opts, "sample_rate", buf, 0);
+ }
+ if (o->nb_audio_channels) {
+ snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
+ av_dict_set(&format_opts, "channels", buf, 0);
+ }
+ if (o->nb_frame_rates) {
+ av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+ }
+ if (o->nb_frame_sizes) {
+ av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
+ }
+ if (o->nb_frame_pix_fmts)
+ av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
+
+ ic->flags |= AVFMT_FLAG_NONBLOCK;
+
+ /* open the input file with generic libav function */
+ err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ assert_avoptions(format_opts);
+
+ /* apply forced codec ids */
+ for (i = 0; i < ic->nb_streams; i++)
+ choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
+
+ /* Set AVCodecContext options for avformat_find_stream_info */
+ opts = setup_find_stream_info_opts(ic, codec_opts);
+ orig_nb_streams = ic->nb_streams;
+
+ /* If not enough info to get the stream parameters, we decode the
+ first frames to get it. (used in mpeg case for example) */
+ ret = avformat_find_stream_info(ic, opts);
+ if (ret < 0 && verbose >= 0) {
+ fprintf(stderr, "%s: could not find codec parameters\n", filename);
+ av_close_input_file(ic);
+ exit_program(1);
+ }
+
+ timestamp = o->start_time;
+ /* add the stream start time */
+ if (ic->start_time != AV_NOPTS_VALUE)
+ timestamp += ic->start_time;
+
+ /* if seeking requested, we execute it */
+ if (o->start_time != 0) {
+ ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
+ if (ret < 0) {
+ fprintf(stderr, "%s: could not seek to position %0.3f\n",
+ filename, (double)timestamp / AV_TIME_BASE);
+ }
+ }
+
+ /* update the current parameters so that they match the one of the input stream */
+ add_input_streams(o, ic);
+
+ /* dump the file content */
+ if (verbose >= 0)
+ av_dump_format(ic, nb_input_files, filename, 0);
+
+ input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
+ input_files[nb_input_files - 1].ctx = ic;
+ input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
+ input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
+ input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
+
+ for (i = 0; i < orig_nb_streams; i++)
+ av_dict_free(&opts[i]);
+ av_freep(&opts);
+
+ reset_options(o);
+ return 0;
+}
+
+static void parse_forced_key_frames(char *kf, OutputStream *ost,
+ AVCodecContext *avctx)
+{
+ char *p;
+ int n = 1, i;
+ int64_t t;
+
+ for (p = kf; *p; p++)
+ if (*p == ',')
+ n++;
+ ost->forced_kf_count = n;
+ ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
+ if (!ost->forced_kf_pts) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+ for (i = 0; i < n; i++) {
+ p = i ? strchr(p, ',') + 1 : kf;
+ t = parse_time_or_die("force_key_frames", p, 1);
+ ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+ }
+}
+
+static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
+{
+ OutputStream *ost;
+ AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
+ int idx = oc->nb_streams - 1;
+ int64_t max_frames = INT64_MAX;
+ char *bsf = NULL, *next, *codec_tag = NULL;
+ AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
+ double qscale = -1;
+
+ if (!st) {
+ av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
+ exit_program(1);
+ }
+
+ output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
+ nb_output_streams + 1);
+ ost = &output_streams[nb_output_streams - 1];
+ ost->file_index = nb_output_files;
+ ost->index = idx;
+ ost->st = st;
+ st->codec->codec_type = type;
+ ost->enc = choose_codec(o, oc, st, type);
+ if (ost->enc) {
+ ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
+ }
+
+ avcodec_get_context_defaults3(st->codec, ost->enc);
+ st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
+
+ MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
+ ost->max_frames = max_frames;
+
+ MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
+ while (bsf) {
+ if (next = strchr(bsf, ','))
+ *next++ = 0;
+ if (!(bsfc = av_bitstream_filter_init(bsf))) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
+ exit_program(1);
+ }
+ if (bsfc_prev)
+ bsfc_prev->next = bsfc;
+ else
+ ost->bitstream_filters = bsfc;
+
+ bsfc_prev = bsfc;
+ bsf = next;
+ }
+
+ MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
+ if (codec_tag) {
+ uint32_t tag = strtol(codec_tag, &next, 0);
+ if (*next)
+ tag = AV_RL32(codec_tag);
+ st->codec->codec_tag = tag;
+ }
+
+ MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
+ if (qscale >= 0 || same_quant) {
+ st->codec->flags |= CODEC_FLAG_QSCALE;
+ st->codec->global_quality = FF_QP2LAMBDA * qscale;
+ }
+
+ ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
+ return ost;
+}
+
+static void parse_matrix_coeffs(uint16_t *dest, const char *str)
+{
+ int i;
+ const char *p = str;
+ for(i = 0;; i++) {
+ dest[i] = atoi(p);
+ if(i == 63)
+ break;
+ p = strchr(p, ',');
+ if(!p) {
+ fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
+ exit_program(1);
+ }
+ p++;
+ }
+}
+
+static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *video_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
+ st = ost->st;
+ video_enc = st->codec;
+
+ if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
+ video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ }
+
+ if (!st->stream_copy) {
+ const char *p = NULL;
+ char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
+ char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
+ char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
+ int i, force_fps = 0, top_field_first = -1;
+
+ MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
+ if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid framerate value: %s\n", frame_rate);
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
+ if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid frame size: %s.\n", frame_size);
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
+ if (frame_aspect_ratio)
+ ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
+
+ MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
+ if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
+ exit_program(1);
+ }
+ st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
+
+ MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
+ if (intra_matrix) {
+ if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
+ av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for intra matrix.\n");
+ exit_program(1);
+ }
+ parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
+ }
+ MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
+ if (inter_matrix) {
+ if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
+ av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for inter matrix.\n");
+ exit_program(1);
+ }
+ parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
+ }
+
+ MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
+ for(i=0; p; i++){
+ int start, end, q;
+ int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
+ if(e!=3){
+ fprintf(stderr, "error parsing rc_override\n");
+ exit_program(1);
+ }
+ video_enc->rc_override=
+ av_realloc(video_enc->rc_override,
+ sizeof(RcOverride)*(i+1));
+ video_enc->rc_override[i].start_frame= start;
+ video_enc->rc_override[i].end_frame = end;
+ if(q>0){
+ video_enc->rc_override[i].qscale= q;
+ video_enc->rc_override[i].quality_factor= 1.0;
+ }
+ else{
+ video_enc->rc_override[i].qscale= 0;
+ video_enc->rc_override[i].quality_factor= -q/100.0;
+ }
+ p= strchr(p, '/');
+ if(p) p++;
+ }
+ video_enc->rc_override_count=i;
+ if (!video_enc->rc_initial_buffer_occupancy)
+ video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
+ video_enc->intra_dc_precision= intra_dc_precision - 8;
+
+ /* two pass mode */
+ if (do_pass) {
+ if (do_pass == 1) {
+ video_enc->flags |= CODEC_FLAG_PASS1;
+ } else {
+ video_enc->flags |= CODEC_FLAG_PASS2;
+ }
+ }
+
+ MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
+ if (forced_key_frames)
+ parse_forced_key_frames(forced_key_frames, ost, video_enc);
+
+ MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
+ ost->force_fps = force_fps;
+
+ MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
+ ost->top_field_first = top_field_first;
+
+#if CONFIG_AVFILTER
+ MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+ if (filters)
+ ost->avfilter = av_strdup(filters);
+#endif
+ }
+
+ return ost;
+}
+
+static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *audio_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
+ st = ost->st;
+
+ audio_enc = st->codec;
+ audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
+
+ if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
+ audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ }
+ if (!st->stream_copy) {
+ char *sample_fmt = NULL;
+
+ MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
+
+ MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
+ if (sample_fmt &&
+ (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
+ }
+
+ return ost;
+}
+
+static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *data_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
+ st = ost->st;
+ data_enc = st->codec;
+ if (!st->stream_copy) {
+ fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
+ exit_program(1);
+ }
+
+ if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
+ data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ }
+
+ return ost;
+}
+
+static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *subtitle_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
+ st = ost->st;
+ subtitle_enc = st->codec;
+
+ subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+ if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
+ subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ }
+
+ return ost;
+}
+
+/* arg format is "output-stream-index:streamid-value". */
+static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
+{
+ int idx;
+ char *p;
+ char idx_str[16];
+
+ av_strlcpy(idx_str, arg, sizeof(idx_str));
+ p = strchr(idx_str, ':');
+ if (!p) {
+ fprintf(stderr,
+ "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
+ arg, opt);
+ exit_program(1);
+ }
+ *p++ = '\0';
+ idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
+ o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
+ o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
+ return 0;
+}
+
+static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
+{
+ AVFormatContext *is = ifile->ctx;
+ AVFormatContext *os = ofile->ctx;
+ int i;
+
+ for (i = 0; i < is->nb_chapters; i++) {
+ AVChapter *in_ch = is->chapters[i], *out_ch;
+ int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
+ AV_TIME_BASE_Q, in_ch->time_base);
+ int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
+ av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
+
+
+ if (in_ch->end < ts_off)
+ continue;
+ if (rt != INT64_MAX && in_ch->start > rt + ts_off)
+ break;
+
+ out_ch = av_mallocz(sizeof(AVChapter));
+ if (!out_ch)
+ return AVERROR(ENOMEM);
+
+ out_ch->id = in_ch->id;
+ out_ch->time_base = in_ch->time_base;
+ out_ch->start = FFMAX(0, in_ch->start - ts_off);
+ out_ch->end = FFMIN(rt, in_ch->end - ts_off);
+
+ if (copy_metadata)
+ av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
+
+ os->nb_chapters++;
+ os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
+ if (!os->chapters)
+ return AVERROR(ENOMEM);
+ os->chapters[os->nb_chapters - 1] = out_ch;
+ }
+ return 0;
+}
+
+static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
+{
+ int i, err;
+ AVFormatContext *ic = NULL;
+
+ err = avformat_open_input(&ic, filename, NULL, NULL);
+ if (err < 0)
+ return err;
+ /* copy stream format */
+ for(i=0;i<ic->nb_streams;i++) {
+ AVStream *st;
+ OutputStream *ost;
+ AVCodec *codec;
+
+ codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
+ ost = new_output_stream(o, s, codec->type);
+ st = ost->st;
+
+ // FIXME: a more elegant solution is needed
+ memcpy(st, ic->streams[i], sizeof(AVStream));
+ st->info = av_malloc(sizeof(*st->info));
+ memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
+ avcodec_copy_context(st->codec, ic->streams[i]->codec);
+
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
+ choose_sample_fmt(st, codec);
+ else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
+ choose_pixel_fmt(st, codec);
+ }
+
+ av_close_input_file(ic);
+ return 0;
+}
+
+static void opt_output_file(void *optctx, const char *filename)
+{
+ OptionsContext *o = optctx;
+ AVFormatContext *oc;
+ int i, err;
+ AVOutputFormat *file_oformat;
+ OutputStream *ost;
+ InputStream *ist;
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
+ if (!oc) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+
+ file_oformat= oc->oformat;
+
+ if (!strcmp(file_oformat->name, "ffm") &&
+ av_strstart(filename, "http:", NULL)) {
+ /* special case for files sent to ffserver: we get the stream
+ parameters from ffserver */
+ int err = read_ffserver_streams(o, oc, filename);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ } else if (!o->nb_stream_maps) {
+ /* pick the "best" stream of each type */
+#define NEW_STREAM(type, index)\
+ if (index >= 0) {\
+ ost = new_ ## type ## _stream(o, oc);\
+ ost->source_index = index;\
+ ost->sync_ist = &input_streams[index];\
+ input_streams[index].discard = 0;\
+ }
+
+ /* video: highest resolution */
+ if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
+ int area = 0, idx = -1;
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = &input_streams[i];
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ ist->st->codec->width * ist->st->codec->height > area) {
+ area = ist->st->codec->width * ist->st->codec->height;
+ idx = i;
+ }
+ }
+ NEW_STREAM(video, idx);
+ }
+
+ /* audio: most channels */
+ if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
+ int channels = 0, idx = -1;
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = &input_streams[i];
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
+ ist->st->codec->channels > channels) {
+ channels = ist->st->codec->channels;
+ idx = i;
+ }
+ }
+ NEW_STREAM(audio, idx);
+ }
+
+ /* subtitles: pick first */
+ if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
+ for (i = 0; i < nb_input_streams; i++)
+ if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ NEW_STREAM(subtitle, i);
+ break;
+ }
+ }
+ /* do something with data? */
+ } else {
+ for (i = 0; i < o->nb_stream_maps; i++) {
+ StreamMap *map = &o->stream_maps[i];
+
+ if (map->disabled)
+ continue;
+
+ ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
+ switch (ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
+ case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
+ case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
+ default:
+ av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
+ map->file_index, map->stream_index);
+ exit_program(1);
+ }
+
+ ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
+ ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
+ map->sync_stream_index];
+ ist->discard = 0;
+ }
+ }
+
+ output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
+ output_files[nb_output_files - 1].ctx = oc;
+ output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
+ output_files[nb_output_files - 1].recording_time = o->recording_time;
+ output_files[nb_output_files - 1].start_time = o->start_time;
+ output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
+ av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
+
+ /* check filename in case of an image number is expected */
+ if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
+ if (!av_filename_number_test(oc->filename)) {
+ print_error(oc->filename, AVERROR(EINVAL));
+ exit_program(1);
+ }
+ }
+
+ if (!(oc->oformat->flags & AVFMT_NOFILE)) {
+ /* test if it already exists to avoid loosing precious files */
+ if (!file_overwrite &&
+ (strchr(filename, ':') == NULL ||
+ filename[1] == ':' ||
+ av_strstart(filename, "file:", NULL))) {
+ if (avio_check(filename, 0) == 0) {
+ if (!using_stdin) {
+ fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
+ fflush(stderr);
+ if (!read_yesno()) {
+ fprintf(stderr, "Not overwriting - exiting\n");
+ exit_program(1);
+ }
+ }
+ else {
+ fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
+ exit_program(1);
+ }
+ }
+ }
+
+ /* open the file */
+ if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ }
+
+ oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
+ oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
+
+ /* copy chapters */
+ if (o->chapters_input_file >= nb_input_files) {
+ if (o->chapters_input_file == INT_MAX) {
+ /* copy chapters from the first input file that has them*/
+ o->chapters_input_file = -1;
+ for (i = 0; i < nb_input_files; i++)
+ if (input_files[i].ctx->nb_chapters) {
+ o->chapters_input_file = i;
+ break;
+ }
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
+ o->chapters_input_file);
+ exit_program(1);
+ }
+ }
+ if (o->chapters_input_file >= 0)
+ copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
+ !o->metadata_chapters_manual);
+
+ /* copy metadata */
+ for (i = 0; i < o->nb_meta_data_maps; i++) {
+ AVFormatContext *files[2];
+ AVDictionary **meta[2];
+ int j;
+
+#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
+ if ((index) < 0 || (index) >= (nb_elems)) {\
+ av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
+ (desc), (index));\
+ exit_program(1);\
+ }
+
+ int in_file_index = o->meta_data_maps[i][1].file;
+ if (in_file_index < 0)
+ continue;
+ METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
+
+ files[0] = oc;
+ files[1] = input_files[in_file_index].ctx;
+
+ for (j = 0; j < 2; j++) {
+ MetadataMap *map = &o->meta_data_maps[i][j];
+
+ switch (map->type) {
+ case 'g':
+ meta[j] = &files[j]->metadata;
+ break;
+ case 's':
+ METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
+ meta[j] = &files[j]->streams[map->index]->metadata;
+ break;
+ case 'c':
+ METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
+ meta[j] = &files[j]->chapters[map->index]->metadata;
+ break;
+ case 'p':
+ METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
+ meta[j] = &files[j]->programs[map->index]->metadata;
+ break;
+ }
+ }
+
+ av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
+ }
+
+ /* copy global metadata by default */
+ if (!o->metadata_global_manual && nb_input_files)
+ av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
+ AV_DICT_DONT_OVERWRITE);
+ if (!o->metadata_streams_manual)
+ for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
+ InputStream *ist = &input_streams[output_streams[i].source_index];
+ av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
+ }
+
+ /* process manually set metadata */
+ for (i = 0; i < o->nb_metadata; i++) {
+ AVDictionary **m;
+ char type, *val;
+ int index = 0;
+
+ val = strchr(o->metadata[i].u.str, '=');
+ if (!val) {
+ av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
+ o->metadata[i].u.str);
+ exit_program(1);
+ }
+ *val++ = 0;
+
+ parse_meta_type(o->metadata[i].specifier, &type, &index);
+ switch (type) {
+ case 'g':
+ m = &oc->metadata;
+ break;
+ case 's':
+ if (index < 0 || index >= oc->nb_streams) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
+ exit_program(1);
+ }
+ m = &oc->streams[index]->metadata;
+ break;
+ case 'c':
+ if (index < 0 || index >= oc->nb_chapters) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
+ exit_program(1);
+ }
+ m = &oc->chapters[index]->metadata;
+ break;
+ default:
+ av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
+ exit_program(1);
+ }
+
+ av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
+ }
+
+ reset_options(o);
+}
+
+/* same option as mencoder */
+static int opt_pass(const char *opt, const char *arg)
+{
+ do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
+ return 0;
+}
+
+static int64_t getutime(void)
+{
+#if HAVE_GETRUSAGE
+ struct rusage rusage;
+
+ getrusage(RUSAGE_SELF, &rusage);
+ return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
+#elif HAVE_GETPROCESSTIMES
+ HANDLE proc;
+ FILETIME c, e, k, u;
+ proc = GetCurrentProcess();
+ GetProcessTimes(proc, &c, &e, &k, &u);
+ return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
+#else
+ return av_gettime();
+#endif
+}
+
+static int64_t getmaxrss(void)
+{
+#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
+ struct rusage rusage;
+ getrusage(RUSAGE_SELF, &rusage);
+ return (int64_t)rusage.ru_maxrss * 1024;
+#elif HAVE_GETPROCESSMEMORYINFO
+ HANDLE proc;
+ PROCESS_MEMORY_COUNTERS memcounters;
+ proc = GetCurrentProcess();
+ memcounters.cb = sizeof(memcounters);
+ GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
+ return memcounters.PeakPagefileUsage;
+#else
+ return 0;
+#endif
+}
+
+static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "q:a", arg, options);
+}
+
+static void show_usage(void)
+{
+ printf("Hyper fast Audio and Video encoder\n");
+ printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
+ printf("\n");
+}
+
+static int opt_help(const char *opt, const char *arg)
+{
+ AVCodec *c;
+ AVOutputFormat *oformat = NULL;
+ AVInputFormat *iformat = NULL;
+ const AVClass *class;
+
+ av_log_set_callback(log_callback_help);
+ show_usage();
+ show_help_options(options, "Main options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
+ show_help_options(options, "\nAdvanced options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
+ OPT_EXPERT);
+ show_help_options(options, "\nVideo options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_VIDEO);
+ show_help_options(options, "\nAdvanced Video options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_VIDEO | OPT_EXPERT);
+ show_help_options(options, "\nAudio options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_AUDIO);
+ show_help_options(options, "\nAdvanced Audio options:\n",
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+ OPT_AUDIO | OPT_EXPERT);
+ show_help_options(options, "\nSubtitle options:\n",
+ OPT_SUBTITLE | OPT_GRAB,
+ OPT_SUBTITLE);
+ show_help_options(options, "\nAudio/Video grab options:\n",
+ OPT_GRAB,
+ OPT_GRAB);
+ printf("\n");
+ class = avcodec_get_class();
+ av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
+ printf("\n");
+
+ /* individual codec options */
+ c = NULL;
+ while ((c = av_codec_next(c))) {
+ if (c->priv_class) {
+ av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
+ printf("\n");
+ }
+ }
+
+ class = avformat_get_class();
+ av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
+ printf("\n");
+
+ /* individual muxer options */
+ while ((oformat = av_oformat_next(oformat))) {
+ if (oformat->priv_class) {
+ av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
+ printf("\n");
+ }
+ }
+
+ /* individual demuxer options */
+ while ((iformat = av_iformat_next(iformat))) {
+ if (iformat->priv_class) {
+ av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
+ printf("\n");
+ }
+ }
+
+ class = sws_get_class();
+ av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
+ return 0;
+}
+
+static int opt_target(OptionsContext *o, const char *opt, const char *arg)
+{
+ enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
+ static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
+
+ if(!strncmp(arg, "pal-", 4)) {
+ norm = PAL;
+ arg += 4;
+ } else if(!strncmp(arg, "ntsc-", 5)) {
+ norm = NTSC;
+ arg += 5;
+ } else if(!strncmp(arg, "film-", 5)) {
+ norm = FILM;
+ arg += 5;
+ } else {
+ /* Try to determine PAL/NTSC by peeking in the input files */
+ if(nb_input_files) {
+ int i, j, fr;
+ for (j = 0; j < nb_input_files; j++) {
+ for (i = 0; i < input_files[j].nb_streams; i++) {
+ AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
+ if(c->codec_type != AVMEDIA_TYPE_VIDEO)
+ continue;
+ fr = c->time_base.den * 1000 / c->time_base.num;
+ if(fr == 25000) {
+ norm = PAL;
+ break;
+ } else if((fr == 29970) || (fr == 23976)) {
+ norm = NTSC;
+ break;
+ }
+ }
+ if(norm != UNKNOWN)
+ break;
+ }
+ }
+ if(verbose > 0 && norm != UNKNOWN)
+ fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
+ }
+
+ if(norm == UNKNOWN) {
+ fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
+ fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
+ fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
+ exit_program(1);
+ }
+
+ if(!strcmp(arg, "vcd")) {
+ opt_video_codec(o, "c:v", "mpeg1video");
+ opt_audio_codec(o, "c:a", "mp2");
+ parse_option(o, "f", "vcd", options);
+
+ parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ opt_default("g", norm == PAL ? "15" : "18");
+
+ opt_default("b", "1150000");
+ opt_default("maxrate", "1150000");
+ opt_default("minrate", "1150000");
+ opt_default("bufsize", "327680"); // 40*1024*8;
+
+ opt_default("b:a", "224000");
+ parse_option(o, "ar", "44100", options);
+ parse_option(o, "ac", "2", options);
+
+ opt_default("packetsize", "2324");
+ opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
+
+ /* We have to offset the PTS, so that it is consistent with the SCR.
+ SCR starts at 36000, but the first two packs contain only padding
+ and the first pack from the other stream, respectively, may also have
+ been written before.
+ So the real data starts at SCR 36000+3*1200. */
+ o->mux_preload = (36000+3*1200) / 90000.0; //0.44
+ } else if(!strcmp(arg, "svcd")) {
+
+ opt_video_codec(o, "c:v", "mpeg2video");
+ opt_audio_codec(o, "c:a", "mp2");
+ parse_option(o, "f", "svcd", options);
+
+ parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ opt_default("g", norm == PAL ? "15" : "18");
+
+ opt_default("b", "2040000");
+ opt_default("maxrate", "2516000");
+ opt_default("minrate", "0"); //1145000;
+ opt_default("bufsize", "1835008"); //224*1024*8;
+ opt_default("flags", "+scan_offset");
+
+
+ opt_default("b:a", "224000");
+ parse_option(o, "ar", "44100", options);
+
+ opt_default("packetsize", "2324");
+
+ } else if(!strcmp(arg, "dvd")) {
+
+ opt_video_codec(o, "c:v", "mpeg2video");
+ opt_audio_codec(o, "c:a", "ac3");
+ parse_option(o, "f", "dvd", options);
+
+ parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ opt_default("g", norm == PAL ? "15" : "18");
+
+ opt_default("b", "6000000");
+ opt_default("maxrate", "9000000");
+ opt_default("minrate", "0"); //1500000;
+ opt_default("bufsize", "1835008"); //224*1024*8;
+
+ opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
+ opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
+
+ opt_default("b:a", "448000");
+ parse_option(o, "ar", "48000", options);
+
+ } else if(!strncmp(arg, "dv", 2)) {
+
+ parse_option(o, "f", "dv", options);
+
+ parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+ parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
+ norm == PAL ? "yuv420p" : "yuv411p", options);
+ parse_option(o, "r", frame_rates[norm], options);
+
+ parse_option(o, "ar", "48000", options);
+ parse_option(o, "ac", "2", options);
+
+ } else {
+ fprintf(stderr, "Unknown target: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static int opt_vstats_file(const char *opt, const char *arg)
+{
+ av_free (vstats_filename);
+ vstats_filename=av_strdup (arg);
+ return 0;
+}
+
+static int opt_vstats(const char *opt, const char *arg)
+{
+ char filename[40];
+ time_t today2 = time(NULL);
+ struct tm *today = localtime(&today2);
+
+ snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
+ today->tm_sec);
+ return opt_vstats_file(opt, filename);
+}
+
+static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "frames:v", arg, options);
+}
+
+static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "frames:a", arg, options);
+}
+
+static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "frames:d", arg, options);
+}
+
+static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
+{
+}
+
+static int opt_passlogfile(const char *opt, const char *arg)
+{
+ pass_logfilename_prefix = arg;
+#if CONFIG_LIBX264_ENCODER
+ return opt_default("passlogfile", arg);
+#else
+ return 0;
+#endif
+}
+
+static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "tag:v", arg, options);
+}
+
+static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "tag:a", arg, options);
+}
+
+static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "tag:s", arg, options);
+}
+
+static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "filter:v", arg, options);
+}
+
+#define OFFSET(x) offsetof(OptionsContext, x)
+static const OptionDef options[] = {
+ /* main options */
+#include "cmdutils_common_opts.h"
+ { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
+ { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
+ { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
+ { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
+ { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
+ { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
+ { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
+ "outfile[,metadata]:infile[,metadata]" },
+ { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
+ { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
+ { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
+ { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
+ { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
+ { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
+ { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
+ { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
+ { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
+ "add timings for benchmarking" },
+ { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
+ { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
+ "dump each input packet" },
+ { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
+ "when dumping packets, also dump the payload" },
+ { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
+ { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
+ { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
+ { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
+ { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
+ { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
+ { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
+ { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
+ { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
+ { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
+ { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
+ { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
+ { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
+ { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
+ { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
+ { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
+#if CONFIG_AVFILTER
+ { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
+#endif
+
+ /* video options */
+ { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
+ { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
+ { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
+ { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
+ { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
+ { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
+ { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
+ { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
+ { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
+ { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
+ { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
+ "use same quantizer as source (implies VBR)" },
+ { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
+ { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
+ { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
+ "deinterlace pictures" },
+ { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
+ { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
+#if CONFIG_AVFILTER
+ { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
+#endif
+ { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
+ { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
+ { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
+ { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
+ { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
+ { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
+ { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
+ { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
+ { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
+
+ /* audio options */
+ { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
+ { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
+ { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
+ { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
+ { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
+ { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
+ { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
+ { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
+ { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
+
+ /* subtitle options */
+ { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
+ { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
+ { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
+
+ /* grab options */
+ { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
+
+ /* muxer options */
+ { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
+ { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
+
+ { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
+
+ /* data codec support */
+ { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
+
+ { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
+ { NULL, },
+};
+
+int main(int argc, char **argv)
+{
+ OptionsContext o = { 0 };
+ int64_t ti;
+
+ reset_options(&o);
+
+ av_log_set_flags(AV_LOG_SKIP_REPEATED);
+
+ if(argc>1 && !strcmp(argv[1], "-d")){
+ run_as_daemon=1;
+ verbose=-1;
+ av_log_set_callback(log_callback_null);
+ argc--;
+ argv++;
+ }
+
+ avcodec_register_all();
+#if CONFIG_AVDEVICE
+ avdevice_register_all();
+#endif
+#if CONFIG_AVFILTER
+ avfilter_register_all();
+#endif
+ av_register_all();
+
+#if HAVE_ISATTY
+ if(isatty(STDIN_FILENO))
+ avio_set_interrupt_cb(decode_interrupt_cb);
+#endif
+
+ if(verbose>=0)
+ show_banner();
+
+ /* parse options */
+ parse_options(&o, argc, argv, options, opt_output_file);
+
+ if(nb_output_files <= 0 && nb_input_files == 0) {
+ show_usage();
+ fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
+ exit_program(1);
+ }
+
+ /* file converter / grab */
+ if (nb_output_files <= 0) {
+ fprintf(stderr, "At least one output file must be specified\n");
+ exit_program(1);
+ }
+
+ if (nb_input_files == 0) {
+ fprintf(stderr, "At least one input file must be specified\n");
+ exit_program(1);
+ }
+
+ ti = getutime();
+ if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
+ exit_program(1);
+ ti = getutime() - ti;
+ if (do_benchmark) {
+ int maxrss = getmaxrss() / 1024;
+ printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
+ }
+
+ exit_program(0);
+ return 0;
+}
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