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 #include "movenccenc.h" 29 #include "libavcodec/packet_internal.h" 30 31 #define MOV_FRAG_INFO_ALLOC_INCREMENT 64 32 #define MOV_INDEX_CLUSTER_SIZE 1024 33 #define MOV_TIMESCALE 1000 34 35 #define RTP_MAX_PACKET_SIZE 1450 36 37 #define MODE_MP4 0x01 38 #define MODE_MOV 0x02 39 #define MODE_3GP 0x04 40 #define MODE_PSP 0x08 // example working PSP command line: 41 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4 42 #define MODE_3G2 0x10 43 #define MODE_IPOD 0x20 44 #define MODE_ISM 0x40 45 #define MODE_F4V 0x80 46 #define MODE_AVIF 0x100 47 48 typedef struct MOVIentry { 49 uint64_t pos; 50 int64_t dts; 51 int64_t pts; 52 unsigned int size; 53 unsigned int samples_in_chunk; 54 unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0 55 unsigned int entries; 56 int cts; 57 #define MOV_SYNC_SAMPLE 0x0001 58 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002 59 #define MOV_DISPOSABLE_SAMPLE 0x0004 60 #define MOV_DISPOSABLE_EXT_SAMPLE 0x0008 61 uint32_t flags; 62 AVProducerReferenceTime prft; 63 } MOVIentry; 64 65 typedef struct HintSample { 66 const uint8_t *data; 67 int size; 68 int sample_number; 69 int offset; 70 int own_data; 71 } HintSample; 72 73 typedef struct HintSampleQueue { 74 int size; 75 int len; 76 HintSample *samples; 77 } HintSampleQueue; 78 79 typedef struct MOVFragmentInfo { 80 int64_t offset; 81 int64_t time; 82 int64_t duration; 83 int64_t tfrf_offset; 84 int size; 85 } MOVFragmentInfo; 86 87 typedef struct MOVTrack { 88 int mode; 89 int entry; 90 unsigned timescale; 91 uint64_t time; 92 int64_t track_duration; 93 int last_sample_is_subtitle_end; 94 long sample_count; 95 long sample_size; 96 long chunkCount; 97 int has_keyframes; 98 int has_disposable; 99 #define MOV_TRACK_CTTS 0x0001 100 #define MOV_TRACK_STPS 0x0002 101 #define MOV_TRACK_ENABLED 0x0004 102 uint32_t flags; 103 #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001 104 #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002 105 #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004 106 uint32_t timecode_flags; 107 int language; 108 int track_id; 109 int tag; ///< stsd fourcc 110 AVStream *st; 111 AVCodecParameters *par; 112 int mono_as_fc; 113 int multichannel_as_mono; 114 115 int vos_len; 116 uint8_t *vos_data; 117 MOVIentry *cluster; 118 unsigned cluster_capacity; 119 int audio_vbr; 120 int height; ///< active picture (w/o VBI) height for D-10/IMX 121 uint32_t tref_tag; 122 #ifdef OHOS_TIMED_META_TRACK 123 int ref_track_count; 124 int *tref_ids; ///< trackIDs of the referenced tracks 125 #else 126 int tref_id; ///< trackID of the referenced track 127 #endif 128 int64_t start_dts; 129 int64_t start_cts; 130 int64_t end_pts; 131 int end_reliable; 132 int64_t dts_shift; 133 134 int hint_track; ///< the track that hints this track, -1 if no hint track is set 135 int src_track; ///< the track that this hint (or tmcd) track describes 136 AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer 137 uint32_t prev_rtp_ts; 138 int64_t cur_rtp_ts_unwrapped; 139 uint32_t max_packet_size; 140 141 int64_t default_duration; 142 uint32_t default_sample_flags; 143 uint32_t default_size; 144 145 HintSampleQueue sample_queue; 146 AVPacket *cover_image; 147 148 AVIOContext *mdat_buf; 149 int64_t data_offset; 150 int frag_discont; 151 int entries_flushed; 152 153 int nb_frag_info; 154 MOVFragmentInfo *frag_info; 155 unsigned frag_info_capacity; 156 157 struct { 158 int first_packet_seq; 159 int first_packet_entry; 160 int first_packet_seen; 161 int first_frag_written; 162 int packet_seq; 163 int packet_entry; 164 int slices; 165 } vc1_info; 166 167 void *eac3_priv; 168 169 MOVMuxCencContext cenc; 170 171 uint32_t palette[AVPALETTE_COUNT]; 172 int pal_done; 173 174 int is_unaligned_qt_rgb; 175 176 unsigned int squash_fragment_samples_to_one; //< flag to note formats where all samples for a fragment are to be squashed 177 178 PacketList squashed_packet_queue; 179 } MOVTrack; 180 181 typedef enum { 182 MOV_ENC_NONE = 0, 183 MOV_ENC_CENC_AES_CTR, 184 } MOVEncryptionScheme; 185 186 typedef enum { 187 MOV_PRFT_NONE = 0, 188 MOV_PRFT_SRC_WALLCLOCK, 189 MOV_PRFT_SRC_PTS, 190 MOV_PRFT_NB 191 } MOVPrftBox; 192 193 typedef struct MOVMuxContext { 194 const AVClass *av_class; 195 int mode; 196 int64_t time; 197 int nb_streams; 198 int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy) 199 int chapter_track; ///< qt chapter track number 200 #ifdef OHOS_TIMED_META_TRACK 201 int nb_timed_metadata_track; ///< number of timed metadata track 202 #endif 203 int64_t mdat_pos; 204 uint64_t mdat_size; 205 MOVTrack *tracks; 206 207 int flags; 208 int rtp_flags; 209 210 int iods_skip; 211 int iods_video_profile; 212 int iods_audio_profile; 213 214 int moov_written; 215 int fragments; 216 int max_fragment_duration; 217 int min_fragment_duration; 218 int max_fragment_size; 219 int ism_lookahead; 220 AVIOContext *mdat_buf; 221 int first_trun; 222 223 int video_track_timescale; 224 225 int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise 226 int64_t reserved_header_pos; 227 228 char *major_brand; 229 230 int per_stream_grouping; 231 AVFormatContext *fc; 232 233 AVPacket *pkt; 234 235 int use_editlist; 236 float gamma; 237 238 int frag_interleave; 239 int missing_duration_warned; 240 241 char *encryption_scheme_str; 242 MOVEncryptionScheme encryption_scheme; 243 uint8_t *encryption_key; 244 int encryption_key_len; 245 uint8_t *encryption_kid; 246 int encryption_kid_len; 247 248 int need_rewrite_extradata; 249 250 int use_stream_ids_as_track_ids; 251 int track_ids_ok; 252 int write_btrt; 253 int write_tmcd; 254 MOVPrftBox write_prft; 255 int empty_hdlr_name; 256 int movie_timescale; 257 258 int64_t avif_extent_pos[2]; // index 0 is YUV and 1 is Alpha. 259 int avif_extent_length[2]; // index 0 is YUV and 1 is Alpha. 260 int is_animated_avif; 261 } MOVMuxContext; 262 263 #define FF_MOV_FLAG_RTP_HINT (1 << 0) 264 #define FF_MOV_FLAG_FRAGMENT (1 << 1) 265 #define FF_MOV_FLAG_EMPTY_MOOV (1 << 2) 266 #define FF_MOV_FLAG_FRAG_KEYFRAME (1 << 3) 267 #define FF_MOV_FLAG_SEPARATE_MOOF (1 << 4) 268 #define FF_MOV_FLAG_FRAG_CUSTOM (1 << 5) 269 #define FF_MOV_FLAG_ISML (1 << 6) 270 #define FF_MOV_FLAG_FASTSTART (1 << 7) 271 #define FF_MOV_FLAG_OMIT_TFHD_OFFSET (1 << 8) 272 #define FF_MOV_FLAG_DISABLE_CHPL (1 << 9) 273 #define FF_MOV_FLAG_DEFAULT_BASE_MOOF (1 << 10) 274 #define FF_MOV_FLAG_DASH (1 << 11) 275 #define FF_MOV_FLAG_FRAG_DISCONT (1 << 12) 276 #define FF_MOV_FLAG_DELAY_MOOV (1 << 13) 277 #define FF_MOV_FLAG_GLOBAL_SIDX (1 << 14) 278 #define FF_MOV_FLAG_WRITE_COLR (1 << 15) 279 #define FF_MOV_FLAG_WRITE_GAMA (1 << 16) 280 #define FF_MOV_FLAG_USE_MDTA (1 << 17) 281 #define FF_MOV_FLAG_SKIP_TRAILER (1 << 18) 282 #define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS (1 << 19) 283 #define FF_MOV_FLAG_FRAG_EVERY_FRAME (1 << 20) 284 #define FF_MOV_FLAG_SKIP_SIDX (1 << 21) 285 #define FF_MOV_FLAG_CMAF (1 << 22) 286 #define FF_MOV_FLAG_PREFER_ICC (1 << 23) 287 #ifdef OHOS_TIMED_META_TRACK 288 #define FF_MOV_FLAG_TIMED_METADATA (1 << 24) 289 #endif 290 291 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt); 292 293 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index); 294 int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, 295 int track_index, int sample, 296 uint8_t *sample_data, int sample_size); 297 void ff_mov_close_hinting(MOVTrack *track); 298 299 #endif /* AVFORMAT_MOVENC_H */ 300