/*
* copyright (c) 2001 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Public Metadata API.
* The metadata API allows libavformat to export metadata tags to a client
- * application using a sequence of key/value pairs. Like all strings in Libav,
+ * application using a sequence of key/value pairs. Like all strings in FFmpeg,
* metadata must be stored as UTF-8 encoded Unicode. Note that metadata
* exported by demuxers isn't checked to be valid UTF-8 in most cases.
* Important concepts to keep in mind:
#define AVFMT_NOSTREAMS 0x1000 /**< Format does not require any streams */
#define AVFMT_NOBINSEARCH 0x2000 /**< Format does not allow to fallback to binary search via read_timestamp */
#define AVFMT_NOGENSEARCH 0x4000 /**< Format does not allow to fallback to generic search */
+#define AVFMT_TS_NONSTRICT 0x8000 /**< Format does not require strictly
+ increasing timestamps, but they must
+ still be monotonic */
typedef struct AVOutputFormat {
const char *name;
* AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS
*/
int flags;
- /**
- * Currently only used to set pixel format if not YUV420P.
- */
- int (*set_parameters)(struct AVFormatContext *, AVFormatParameters *);
+
+ void *dummy;
+
int (*interleave_packet)(struct AVFormatContext *, AVPacket *out,
AVPacket *in, int flush);
* Only set this if you are absolutely 100% sure that the value you set
* it to really is the pts of the first frame.
* This may be undefined (AV_NOPTS_VALUE).
+ * @note The ASF header does NOT contain a correct start_time the ASF
+ * demuxer must NOT set this.
*/
int64_t start_time;
int codec_info_nb_frames;
/**
+ * Stream Identifier
+ * This is the MPEG-TS stream identifier +1
+ * 0 means unknown
+ */
+ int stream_identifier;
+
+ /**
* Stream informations used internally by av_find_stream_info()
*/
#define MAX_STD_TIMEBASES (60*12+5)
double duration_error[MAX_STD_TIMEBASES];
int64_t codec_info_duration;
} *info;
+
+ /**
+ * flag to indicate that probing is requested
+ * NOT PART OF PUBLIC API
+ */
+ int request_probe;
} AVStream;
#define AV_PROGRAM_RUNNING 1
unsigned int *stream_index;
unsigned int nb_stream_indexes;
AVMetadata *metadata;
+
+ int program_num;
+ int pmt_pid;
+ int pcr_pid;
} AVProgram;
#define AVFMTCTX_NOHEADER 0x0001 /**< signal that no header is present
/**
* Decoding: total stream bitrate in bit/s, 0 if not
* available. Never set it directly if the file_size and the
- * duration are known as Libav can compute it automatically.
+ * duration are known as FFmpeg can compute it automatically.
*/
int bit_rate;
#if FF_API_FLAG_RTP_HINT
#define AVFMT_FLAG_RTP_HINT 0x0040 ///< Deprecated, use the -movflags rtphint muxer specific AVOption instead
#endif
-
+#define AVFMT_FLAG_MP4A_LATM 0x0080 ///< Enable RTP MP4A-LATM payload
+#define AVFMT_FLAG_SORT_DTS 0x10000 ///< try to interleave outputted packets by dts (using this flag can slow demuxing down)
+#define AVFMT_FLAG_PRIV_OPT 0x20000 ///< Enable use of private options by delaying codec open (this could be made default once all code is converted)
+#define AVFMT_FLAG_KEEP_SIDE_DATA 0x40000 ///< Dont merge side data but keep it seperate.
int loop_input;
/**
* decoding: number of frames used to probe fps
*/
int fps_probe_size;
+
+ /**
+ * Transport stream id.
+ * This will be moved into demuxer private options. Thus no API/ABI compatibility
+ */
+ int ts_id;
} AVFormatContext;
typedef struct AVPacketList {
AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max);
/**
+ * Guess the file format.
+ *
+ * @param is_opened Whether the file is already opened; determines whether
+ * demuxers with or without AVFMT_NOFILE are probed.
+ * @param score_ret The score of the best detection.
+ */
+AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score_ret);
+
+/**
* Probe a bytestream to determine the input format. Each time a probe returns
* with a score that is too low, the probe buffer size is increased and another
* attempt is made. When the maximum probe size is reached, the input format
int buf_size,
AVFormatParameters *ap);
+int av_demuxer_open(AVFormatContext *ic, AVFormatParameters *ap);
+
/**
* Allocate an AVFormatContext.
* avformat_free_context() can be used to free the context and everything
*/
AVFormatContext *avformat_alloc_context(void);
+#if FF_API_ALLOC_OUTPUT_CONTEXT
+/**
+ * @deprecated deprecated in favor of avformat_alloc_output_context2()
+ */
+attribute_deprecated
+AVFormatContext *avformat_alloc_output_context(const char *format,
+ AVOutputFormat *oformat,
+ const char *filename);
+#endif
+
+/**
+ * Allocate an AVFormatContext for an output format.
+ * avformat_free_context() can be used to free the context and
+ * everything allocated by the framework within it.
+ *
+ * @param *ctx is set to the created format context, or to NULL in
+ * case of failure
+ * @param oformat format to use for allocating the context, if NULL
+ * format_name and filename are used instead
+ * @param format_name the name of output format to use for allocating the
+ * context, if NULL filename is used instead
+ * @param filename the name of the filename to use for allocating the
+ * context, may be NULL
+ * @return >= 0 in case of success, a negative AVERROR code in case of
+ * failure
+ */
+int avformat_alloc_output_context2(AVFormatContext **ctx, AVOutputFormat *oformat,
+ const char *format_name, const char *filename);
+
/**
* Read packets of a media file to get stream information. This
* is useful for file formats with no headers such as MPEG. This
/**
* media file output
*/
-int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
+attribute_deprecated int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
/**
* Split a URL string into components.