libavformat/movenc.h - third_party/ffmpeg - Git at Google

 /*
  * MOV, 3GP, MP4 muxer
  * Copyright (c) 2003 Thomas Raivio
  * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
  *
  * 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
  */

 #ifndef AVFORMAT_MOVENC_H
 #define AVFORMAT_MOVENC_H

 #include "avformat.h"
 #include "movenccenc.h"

 #define MOV_FRAG_INFO_ALLOC_INCREMENT 64
 #define MOV_INDEX_CLUSTER_SIZE 1024
 #define MOV_TIMESCALE 1000

 #define RTP_MAX_PACKET_SIZE 1450

 #define MODE_MP4  0x01
 #define MODE_MOV  0x02
 #define MODE_3GP  0x04
 #define MODE_PSP  0x08 // example working PSP command line:
 // ffmpeg -i testinput.avi  -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
 #define MODE_3G2  0x10
 #define MODE_IPOD 0x20
 #define MODE_ISM  0x40
 #define MODE_F4V  0x80

 typedef struct MOVIentry {
     uint64_t     pos;
     int64_t      dts;
     int64_t      pts;
     unsigned int size;
     unsigned int samples_in_chunk;
     unsigned int chunkNum;              ///< Chunk number if the current entry is a chunk start otherwise 0
     unsigned int entries;
     int          cts;
 #define MOV_SYNC_SAMPLE         0x0001
 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
 #define MOV_DISPOSABLE_SAMPLE   0x0004
     uint32_t     flags;
     AVProducerReferenceTime prft;
 } MOVIentry;

 typedef struct HintSample {
     uint8_t *data;
     int size;
     int sample_number;
     int offset;
     int own_data;
 } HintSample;

 typedef struct HintSampleQueue {
     int size;
     int len;
     HintSample *samples;
 } HintSampleQueue;

 typedef struct MOVFragmentInfo {
     int64_t offset;
     int64_t time;
     int64_t duration;
     int64_t tfrf_offset;
     int size;
 } MOVFragmentInfo;

 typedef struct MOVTrack {
     int         mode;
     int         entry;
     unsigned    timescale;
     uint64_t    time;
     int64_t     track_duration;
     int         last_sample_is_subtitle_end;
     long        sample_count;
     long        sample_size;
     long        chunkCount;
     int         has_keyframes;
     int         has_disposable;
 #define MOV_TRACK_CTTS         0x0001
 #define MOV_TRACK_STPS         0x0002
 #define MOV_TRACK_ENABLED      0x0004
     uint32_t    flags;
 #define MOV_TIMECODE_FLAG_DROPFRAME     0x0001
 #define MOV_TIMECODE_FLAG_24HOURSMAX    0x0002
 #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
     uint32_t    timecode_flags;
     int         language;
     int         track_id;
     int         tag; ///< stsd fourcc
     AVStream        *st;
     AVCodecParameters *par;
     int multichannel_as_mono;

     int         vos_len;
     uint8_t     *vos_data;
     MOVIentry   *cluster;
     unsigned    cluster_capacity;
     int         audio_vbr;
     int         height; ///< active picture (w/o VBI) height for D-10/IMX
     uint32_t    tref_tag;
     int         tref_id; ///< trackID of the referenced track
     int64_t     start_dts;
     int64_t     start_cts;
     int64_t     end_pts;
     int         end_reliable;
     int64_t     dts_shift;

     int         hint_track;   ///< the track that hints this track, -1 if no hint track is set
     int         src_track;    ///< the track that this hint (or tmcd) track describes
     AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
     uint32_t    prev_rtp_ts;
     int64_t     cur_rtp_ts_unwrapped;
     uint32_t    max_packet_size;

     int64_t     default_duration;
     uint32_t    default_sample_flags;
     uint32_t    default_size;

     HintSampleQueue sample_queue;
     AVPacket cover_image;

     AVIOContext *mdat_buf;
     int64_t     data_offset;
     int64_t     frag_start;
     int         frag_discont;
     int         entries_flushed;

     int         nb_frag_info;
     MOVFragmentInfo *frag_info;
     unsigned    frag_info_capacity;

     struct {
         int     first_packet_seq;
         int     first_packet_entry;
         int     first_packet_seen;
         int     first_frag_written;
         int     packet_seq;
         int     packet_entry;
         int     slices;
     } vc1_info;

     void       *eac3_priv;

     MOVMuxCencContext cenc;

     uint32_t palette[AVPALETTE_COUNT];
     int pal_done;

     int is_unaligned_qt_rgb;
 } MOVTrack;

 typedef enum {
     MOV_ENC_NONE = 0,
     MOV_ENC_CENC_AES_CTR,
 } MOVEncryptionScheme;

 typedef enum {
     MOV_PRFT_NONE = 0,
     MOV_PRFT_SRC_WALLCLOCK,
     MOV_PRFT_SRC_PTS,
     MOV_PRFT_NB
 } MOVPrftBox;

 typedef struct MOVMuxContext {
     const AVClass *av_class;
     int     mode;
     int64_t time;
     int     nb_streams;
     int     nb_meta_tmcd;  ///< number of new created tmcd track based on metadata (aka not data copy)
     int     chapter_track; ///< qt chapter track number
     int64_t mdat_pos;
     uint64_t mdat_size;
     MOVTrack *tracks;

     int flags;
     int rtp_flags;

     int iods_skip;
     int iods_video_profile;
     int iods_audio_profile;

     int moov_written;
     int fragments;
     int max_fragment_duration;
     int min_fragment_duration;
     int max_fragment_size;
     int ism_lookahead;
     AVIOContext *mdat_buf;
     int first_trun;

     int video_track_timescale;

     int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
     int64_t reserved_header_pos;

     char *major_brand;

     int per_stream_grouping;
     AVFormatContext *fc;

     int use_editlist;
     float gamma;

     int frag_interleave;
     int missing_duration_warned;

     char *encryption_scheme_str;
     MOVEncryptionScheme encryption_scheme;
     uint8_t *encryption_key;
     int encryption_key_len;
     uint8_t *encryption_kid;
     int encryption_kid_len;

     int need_rewrite_extradata;

     int use_stream_ids_as_track_ids;
     int track_ids_ok;
     int write_tmcd;
     MOVPrftBox write_prft;
     int empty_hdlr_name;
 } MOVMuxContext;

 #define FF_MOV_FLAG_RTP_HINT              (1 <<  0)
 #define FF_MOV_FLAG_FRAGMENT              (1 <<  1)
 #define FF_MOV_FLAG_EMPTY_MOOV            (1 <<  2)
 #define FF_MOV_FLAG_FRAG_KEYFRAME         (1 <<  3)
 #define FF_MOV_FLAG_SEPARATE_MOOF         (1 <<  4)
 #define FF_MOV_FLAG_FRAG_CUSTOM           (1 <<  5)
 #define FF_MOV_FLAG_ISML                  (1 <<  6)
 #define FF_MOV_FLAG_FASTSTART             (1 <<  7)
 #define FF_MOV_FLAG_OMIT_TFHD_OFFSET      (1 <<  8)
 #define FF_MOV_FLAG_DISABLE_CHPL          (1 <<  9)
 #define FF_MOV_FLAG_DEFAULT_BASE_MOOF     (1 << 10)
 #define FF_MOV_FLAG_DASH                  (1 << 11)
 #define FF_MOV_FLAG_FRAG_DISCONT          (1 << 12)
 #define FF_MOV_FLAG_DELAY_MOOV            (1 << 13)
 #define FF_MOV_FLAG_GLOBAL_SIDX           (1 << 14)
 #define FF_MOV_FLAG_WRITE_COLR            (1 << 15)
 #define FF_MOV_FLAG_WRITE_GAMA            (1 << 16)
 #define FF_MOV_FLAG_USE_MDTA              (1 << 17)
 #define FF_MOV_FLAG_SKIP_TRAILER          (1 << 18)
 #define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS  (1 << 19)
 #define FF_MOV_FLAG_FRAG_EVERY_FRAME      (1 << 20)
 #define FF_MOV_FLAG_SKIP_SIDX             (1 << 21)
 #define FF_MOV_FLAG_CMAF                  (1 << 22)
 #define FF_MOV_FLAG_PREFER_ICC            (1 << 23)

 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);

 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
 int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
                              int track_index, int sample,
                              uint8_t *sample_data, int sample_size);
 void ff_mov_close_hinting(MOVTrack *track);

 #endif /* AVFORMAT_MOVENC_H */
	/*
	* MOV, 3GP, MP4 muxer
	* Copyright (c) 2003 Thomas Raivio
	* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
	* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
	*
	* 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
	*/

	#ifndef AVFORMAT_MOVENC_H
	#define AVFORMAT_MOVENC_H

	#include "avformat.h"
	#include "movenccenc.h"

	#define MOV_FRAG_INFO_ALLOC_INCREMENT 64
	#define MOV_INDEX_CLUSTER_SIZE 1024
	#define MOV_TIMESCALE 1000

	#define RTP_MAX_PACKET_SIZE 1450

	#define MODE_MP4 0x01
	#define MODE_MOV 0x02
	#define MODE_3GP 0x04
	#define MODE_PSP 0x08 // example working PSP command line:
	// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
	#define MODE_3G2 0x10
	#define MODE_IPOD 0x20
	#define MODE_ISM 0x40
	#define MODE_F4V 0x80

	typedef struct MOVIentry {
	uint64_t pos;
	int64_t dts;
	int64_t pts;
	unsigned int size;
	unsigned int samples_in_chunk;
	unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0
	unsigned int entries;
	int cts;
	#define MOV_SYNC_SAMPLE 0x0001
	#define MOV_PARTIAL_SYNC_SAMPLE 0x0002
	#define MOV_DISPOSABLE_SAMPLE 0x0004
	uint32_t flags;
	AVProducerReferenceTime prft;
	} MOVIentry;

	typedef struct HintSample {
	uint8_t *data;
	int size;
	int sample_number;
	int offset;
	int own_data;
	} HintSample;

	typedef struct HintSampleQueue {
	int size;
	int len;
	HintSample *samples;
	} HintSampleQueue;

	typedef struct MOVFragmentInfo {
	int64_t offset;
	int64_t time;
	int64_t duration;
	int64_t tfrf_offset;
	int size;
	} MOVFragmentInfo;

	typedef struct MOVTrack {
	int mode;
	int entry;
	unsigned timescale;
	uint64_t time;
	int64_t track_duration;
	int last_sample_is_subtitle_end;
	long sample_count;
	long sample_size;
	long chunkCount;
	int has_keyframes;
	int has_disposable;
	#define MOV_TRACK_CTTS 0x0001
	#define MOV_TRACK_STPS 0x0002
	#define MOV_TRACK_ENABLED 0x0004
	uint32_t flags;
	#define MOV_TIMECODE_FLAG_DROPFRAME 0x0001
	#define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002
	#define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
	uint32_t timecode_flags;
	int language;
	int track_id;
	int tag; ///< stsd fourcc
	AVStream *st;
	AVCodecParameters *par;
	int multichannel_as_mono;

	int vos_len;
	uint8_t *vos_data;
	MOVIentry *cluster;
	unsigned cluster_capacity;
	int audio_vbr;
	int height; ///< active picture (w/o VBI) height for D-10/IMX
	uint32_t tref_tag;
	int tref_id; ///< trackID of the referenced track
	int64_t start_dts;
	int64_t start_cts;
	int64_t end_pts;
	int end_reliable;
	int64_t dts_shift;

	int hint_track; ///< the track that hints this track, -1 if no hint track is set
	int src_track; ///< the track that this hint (or tmcd) track describes
	AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
	uint32_t prev_rtp_ts;
	int64_t cur_rtp_ts_unwrapped;
	uint32_t max_packet_size;

	int64_t default_duration;
	uint32_t default_sample_flags;
	uint32_t default_size;

	HintSampleQueue sample_queue;
	AVPacket cover_image;

	AVIOContext *mdat_buf;
	int64_t data_offset;
	int64_t frag_start;
	int frag_discont;
	int entries_flushed;

	int nb_frag_info;
	MOVFragmentInfo *frag_info;
	unsigned frag_info_capacity;

	struct {
	int first_packet_seq;
	int first_packet_entry;
	int first_packet_seen;
	int first_frag_written;
	int packet_seq;
	int packet_entry;
	int slices;
	} vc1_info;

	void *eac3_priv;

	MOVMuxCencContext cenc;

	uint32_t palette[AVPALETTE_COUNT];
	int pal_done;

	int is_unaligned_qt_rgb;
	} MOVTrack;

	typedef enum {
	MOV_ENC_NONE = 0,
	MOV_ENC_CENC_AES_CTR,
	} MOVEncryptionScheme;

	typedef enum {
	MOV_PRFT_NONE = 0,
	MOV_PRFT_SRC_WALLCLOCK,
	MOV_PRFT_SRC_PTS,
	MOV_PRFT_NB
	} MOVPrftBox;

	typedef struct MOVMuxContext {
	const AVClass *av_class;
	int mode;
	int64_t time;
	int nb_streams;
	int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)
	int chapter_track; ///< qt chapter track number
	int64_t mdat_pos;
	uint64_t mdat_size;
	MOVTrack *tracks;

	int flags;
	int rtp_flags;

	int iods_skip;
	int iods_video_profile;
	int iods_audio_profile;

	int moov_written;
	int fragments;
	int max_fragment_duration;
	int min_fragment_duration;
	int max_fragment_size;
	int ism_lookahead;
	AVIOContext *mdat_buf;
	int first_trun;

	int video_track_timescale;

	int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
	int64_t reserved_header_pos;

	char *major_brand;

	int per_stream_grouping;
	AVFormatContext *fc;

	int use_editlist;
	float gamma;

	int frag_interleave;
	int missing_duration_warned;

	char *encryption_scheme_str;
	MOVEncryptionScheme encryption_scheme;
	uint8_t *encryption_key;
	int encryption_key_len;
	uint8_t *encryption_kid;
	int encryption_kid_len;

	int need_rewrite_extradata;

	int use_stream_ids_as_track_ids;
	int track_ids_ok;
	int write_tmcd;
	MOVPrftBox write_prft;
	int empty_hdlr_name;
	} MOVMuxContext;

	#define FF_MOV_FLAG_RTP_HINT (1 << 0)
	#define FF_MOV_FLAG_FRAGMENT (1 << 1)
	#define FF_MOV_FLAG_EMPTY_MOOV (1 << 2)
	#define FF_MOV_FLAG_FRAG_KEYFRAME (1 << 3)
	#define FF_MOV_FLAG_SEPARATE_MOOF (1 << 4)
	#define FF_MOV_FLAG_FRAG_CUSTOM (1 << 5)
	#define FF_MOV_FLAG_ISML (1 << 6)
	#define FF_MOV_FLAG_FASTSTART (1 << 7)
	#define FF_MOV_FLAG_OMIT_TFHD_OFFSET (1 << 8)
	#define FF_MOV_FLAG_DISABLE_CHPL (1 << 9)
	#define FF_MOV_FLAG_DEFAULT_BASE_MOOF (1 << 10)
	#define FF_MOV_FLAG_DASH (1 << 11)
	#define FF_MOV_FLAG_FRAG_DISCONT (1 << 12)
	#define FF_MOV_FLAG_DELAY_MOOV (1 << 13)
	#define FF_MOV_FLAG_GLOBAL_SIDX (1 << 14)
	#define FF_MOV_FLAG_WRITE_COLR (1 << 15)
	#define FF_MOV_FLAG_WRITE_GAMA (1 << 16)
	#define FF_MOV_FLAG_USE_MDTA (1 << 17)
	#define FF_MOV_FLAG_SKIP_TRAILER (1 << 18)
	#define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS (1 << 19)
	#define FF_MOV_FLAG_FRAG_EVERY_FRAME (1 << 20)
	#define FF_MOV_FLAG_SKIP_SIDX (1 << 21)
	#define FF_MOV_FLAG_CMAF (1 << 22)
	#define FF_MOV_FLAG_PREFER_ICC (1 << 23)

	int ff_mov_write_packet(AVFormatContext s, AVPacket pkt);

	int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
	int ff_mov_add_hinted_packet(AVFormatContext s, AVPacket pkt,
	int track_index, int sample,
	uint8_t *sample_data, int sample_size);
	void ff_mov_close_hinting(MOVTrack *track);

	#endif /* AVFORMAT_MOVENC_H */