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