* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef FFMPEG_CMDUTILS_H
-#define FFMPEG_CMDUTILS_H
+#ifndef LIBAV_CMDUTILS_H
+#define LIBAV_CMDUTILS_H
+
+#include <stdint.h>
-#include <inttypes.h>
#include "libavcodec/avcodec.h"
+#include "libavfilter/avfilter.h"
#include "libavformat/avformat.h"
#include "libswscale/swscale.h"
*/
extern const int program_birth_year;
-extern const char **opt_names;
extern AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
extern AVFormatContext *avformat_opts;
extern struct SwsContext *sws_opts;
+extern AVDictionary *format_opts, *codec_opts;
/**
* Initialize the cmdutils option system, in particular
#define OPT_INT 0x0080
#define OPT_FLOAT 0x0100
#define OPT_SUBTITLE 0x0200
-#define OPT_FUNC2 0x0400
-#define OPT_INT64 0x0800
-#define OPT_EXIT 0x1000
+#define OPT_INT64 0x0400
+#define OPT_EXIT 0x0800
+#define OPT_DATA 0x1000
union {
- void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func
int *int_arg;
char **str_arg;
float *float_arg;
- int (*func2_arg)(const char *, const char *);
+ int (*func_arg)(const char *, const char *);
int64_t *int64_arg;
} u;
const char *help;
void parse_options(int argc, char **argv, const OptionDef *options,
void (* parse_arg_function)(const char*));
-void set_context_opts(void *ctx, void *opts_ctx, int flags, AVCodec *codec);
+/**
+ * Check if the given stream matches a stream specifier.
+ *
+ * @param s Corresponding format context.
+ * @param st Stream from s to be checked.
+ * @param spec A stream specifier of the [v|a|s|d]:[<stream index>] form.
+ *
+ * @return 1 if the stream matches, 0 if it doesn't, <0 on error
+ */
+int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec);
+
+/**
+ * Filter out options for given codec.
+ *
+ * Create a new options dictionary containing only the options from
+ * opts which apply to the codec with ID codec_id.
+ *
+ * @param s Corresponding format context.
+ * @param st A stream from s for which the options should be filtered.
+ * @return a pointer to the created dictionary
+ */
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFormatContext *s, AVStream *st);
+
+/**
+ * Setup AVCodecContext options for avformat_find_stream_info().
+ *
+ * Create an array of dictionaries, one dictionary for each stream
+ * contained in s.
+ * Each dictionary will contain the options from codec_opts which can
+ * be applied to the corresponding stream codec context.
+ *
+ * @return pointer to the created array of dictionaries, NULL if it
+ * cannot be created
+ */
+AVDictionary **setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts);
/**
* Print an error message to stderr, indicating filename and a human
*/
void print_error(const char *filename, int err);
-void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts);
-
/**
* Print the program banner to stderr. The banner contents depend on the
* current version of the repository and of the libav* libraries used by
FILE *get_preset_file(char *filename, size_t filename_size,
const char *preset_name, int is_path, const char *codec_name);
-#if CONFIG_AVFILTER
-#include "libavfilter/avfilter.h"
-
typedef struct {
enum PixelFormat pix_fmt;
} FFSinkContext;
int get_filtered_video_frame(AVFilterContext *sink, AVFrame *frame,
AVFilterBufferRef **picref, AVRational *pts_tb);
-#endif /* CONFIG_AVFILTER */
+/**
+ * Do all the necessary cleanup and abort.
+ * This function is implemented in the avtools, not cmdutils.
+ */
+void exit_program(int ret);
+
+/**
+ * Realloc array to hold new_size elements of elem_size.
+ * Calls exit_program() on failure.
+ *
+ * @param elem_size size in bytes of each element
+ * @param size new element count will be written here
+ * @return reallocated array
+ */
+void *grow_array(void *array, int elem_size, int *size, int new_size);
-#endif /* FFMPEG_CMDUTILS_H */
+#endif /* LIBAV_CMDUTILS_H */