1/* 2 * MOV, 3GP, MP4 muxer 3 * Copyright (c) 2003 Thomas Raivio 4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> 5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24#ifndef AVFORMAT_MOVENC_H 25#define AVFORMAT_MOVENC_H 26 27#include "avformat.h" 28 29#define MOV_FRAG_INFO_ALLOC_INCREMENT 64 30#define MOV_INDEX_CLUSTER_SIZE 1024 31#define MOV_TIMESCALE 1000 32 33#define RTP_MAX_PACKET_SIZE 1450 34 35#define MODE_MP4 0x01 36#define MODE_MOV 0x02 37#define MODE_3GP 0x04 38#define MODE_PSP 0x08 // example working PSP command line: 39// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4 40#define MODE_3G2 0x10 41#define MODE_IPOD 0x20 42#define MODE_ISM 0x40 43#define MODE_F4V 0x80 44 45typedef struct MOVIentry { 46 uint64_t pos; 47 int64_t dts; 48 unsigned int size; 49 unsigned int samples_in_chunk; 50 unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0 51 unsigned int entries; 52 int cts; 53#define MOV_SYNC_SAMPLE 0x0001 54#define MOV_PARTIAL_SYNC_SAMPLE 0x0002 55 uint32_t flags; 56} MOVIentry; 57 58typedef struct HintSample { 59 uint8_t *data; 60 int size; 61 int sample_number; 62 int offset; 63 int own_data; 64} HintSample; 65 66typedef struct HintSampleQueue { 67 int size; 68 int len; 69 HintSample *samples; 70} HintSampleQueue; 71 72typedef struct MOVFragmentInfo { 73 int64_t offset; 74 int64_t time; 75 int64_t duration; 76 int64_t tfrf_offset; 77} MOVFragmentInfo; 78 79typedef struct MOVTrack { 80 int mode; 81 int entry; 82 unsigned timescale; 83 uint64_t time; 84 int64_t track_duration; 85 int last_sample_is_subtitle_end; 86 long sample_count; 87 long sample_size; 88 long chunkCount; 89 int has_keyframes; 90#define MOV_TRACK_CTTS 0x0001 91#define MOV_TRACK_STPS 0x0002 92#define MOV_TRACK_ENABLED 0x0004 93 uint32_t flags; 94#define MOV_TIMECODE_FLAG_DROPFRAME 0x0001 95#define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002 96#define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004 97 uint32_t timecode_flags; 98 int language; 99 int track_id; 100 int tag; ///< stsd fourcc 101 AVStream *st; 102 AVCodecContext *enc; 103 int multichannel_as_mono; 104 105 int vos_len; 106 uint8_t *vos_data; 107 MOVIentry *cluster; 108 unsigned cluster_capacity; 109 int audio_vbr; 110 int height; ///< active picture (w/o VBI) height for D-10/IMX 111 uint32_t tref_tag; 112 int tref_id; ///< trackID of the referenced track 113 int64_t start_dts; 114 115 int hint_track; ///< the track that hints this track, -1 if no hint track is set 116 int src_track; ///< the track that this hint (or tmcd) track describes 117 AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer 118 uint32_t prev_rtp_ts; 119 int64_t cur_rtp_ts_unwrapped; 120 uint32_t max_packet_size; 121 122 int64_t default_duration; 123 uint32_t default_sample_flags; 124 uint32_t default_size; 125 126 HintSampleQueue sample_queue; 127 128 AVIOContext *mdat_buf; 129 int64_t data_offset; 130 int64_t frag_start; 131 int64_t tfrf_offset; 132 133 int nb_frag_info; 134 MOVFragmentInfo *frag_info; 135 unsigned frag_info_capacity; 136 137 struct { 138 int64_t struct_offset; 139 int first_packet_seq; 140 int first_packet_entry; 141 int packet_seq; 142 int packet_entry; 143 int slices; 144 } vc1_info; 145} MOVTrack; 146 147typedef struct MOVMuxContext { 148 const AVClass *av_class; 149 int mode; 150 int64_t time; 151 int nb_streams; 152 int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy) 153 int chapter_track; ///< qt chapter track number 154 int64_t mdat_pos; 155 uint64_t mdat_size; 156 MOVTrack *tracks; 157 158 int flags; 159 int rtp_flags; 160 int exact; 161 162 int iods_skip; 163 int iods_video_profile; 164 int iods_audio_profile; 165 166 int fragments; 167 int max_fragment_duration; 168 int min_fragment_duration; 169 int max_fragment_size; 170 int ism_lookahead; 171 AVIOContext *mdat_buf; 172 173 int use_editlist; 174 int video_track_timescale; 175 176 int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise 177 int64_t reserved_moov_pos; 178 179 char *major_brand; 180 181 int per_stream_grouping; 182} MOVMuxContext; 183 184#define FF_MOV_FLAG_RTP_HINT 1 185#define FF_MOV_FLAG_FRAGMENT 2 186#define FF_MOV_FLAG_EMPTY_MOOV 4 187#define FF_MOV_FLAG_FRAG_KEYFRAME 8 188#define FF_MOV_FLAG_SEPARATE_MOOF 16 189#define FF_MOV_FLAG_FRAG_CUSTOM 32 190#define FF_MOV_FLAG_ISML 64 191#define FF_MOV_FLAG_FASTSTART 128 192#define FF_MOV_FLAG_OMIT_TFHD_OFFSET 256 193 194int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt); 195 196int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index); 197int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, 198 int track_index, int sample, 199 uint8_t *sample_data, int sample_size); 200void ff_mov_close_hinting(MOVTrack *track); 201 202#endif /* AVFORMAT_MOVENC_H */ 203