| 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 | |
| 45 | typedef 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 | |
| 58 | typedef struct HintSample { |
| 59 | uint8_t *data; |
| 60 | int size; |
| 61 | int sample_number; |
| 62 | int offset; |
| 63 | int own_data; |
| 64 | } HintSample; |
| 65 | |
| 66 | typedef struct HintSampleQueue { |
| 67 | int size; |
| 68 | int len; |
| 69 | HintSample *samples; |
| 70 | } HintSampleQueue; |
| 71 | |
| 72 | typedef struct MOVFragmentInfo { |
| 73 | int64_t offset; |
| 74 | int64_t time; |
| 75 | int64_t duration; |
| 76 | int64_t tfrf_offset; |
| 77 | int size; |
| 78 | } MOVFragmentInfo; |
| 79 | |
| 80 | typedef struct MOVTrack { |
| 81 | int mode; |
| 82 | int entry; |
| 83 | unsigned timescale; |
| 84 | uint64_t time; |
| 85 | int64_t track_duration; |
| 86 | int last_sample_is_subtitle_end; |
| 87 | long sample_count; |
| 88 | long sample_size; |
| 89 | long chunkCount; |
| 90 | int has_keyframes; |
| 91 | #define MOV_TRACK_CTTS 0x0001 |
| 92 | #define MOV_TRACK_STPS 0x0002 |
| 93 | #define MOV_TRACK_ENABLED 0x0004 |
| 94 | uint32_t flags; |
| 95 | #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001 |
| 96 | #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002 |
| 97 | #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004 |
| 98 | uint32_t timecode_flags; |
| 99 | int language; |
| 100 | int track_id; |
| 101 | int tag; ///< stsd fourcc |
| 102 | AVStream *st; |
| 103 | AVCodecContext *enc; |
| 104 | int multichannel_as_mono; |
| 105 | |
| 106 | int vos_len; |
| 107 | uint8_t *vos_data; |
| 108 | MOVIentry *cluster; |
| 109 | unsigned cluster_capacity; |
| 110 | int audio_vbr; |
| 111 | int height; ///< active picture (w/o VBI) height for D-10/IMX |
| 112 | uint32_t tref_tag; |
| 113 | int tref_id; ///< trackID of the referenced track |
| 114 | int64_t start_dts; |
| 115 | |
| 116 | int hint_track; ///< the track that hints this track, -1 if no hint track is set |
| 117 | int src_track; ///< the track that this hint (or tmcd) track describes |
| 118 | AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer |
| 119 | uint32_t prev_rtp_ts; |
| 120 | int64_t cur_rtp_ts_unwrapped; |
| 121 | uint32_t max_packet_size; |
| 122 | |
| 123 | int64_t default_duration; |
| 124 | uint32_t default_sample_flags; |
| 125 | uint32_t default_size; |
| 126 | |
| 127 | HintSampleQueue sample_queue; |
| 128 | |
| 129 | AVIOContext *mdat_buf; |
| 130 | int64_t data_offset; |
| 131 | int64_t frag_start; |
| 132 | int frag_discont; |
| 133 | |
| 134 | int nb_frag_info; |
| 135 | MOVFragmentInfo *frag_info; |
| 136 | unsigned frag_info_capacity; |
| 137 | |
| 138 | struct { |
| 139 | int64_t struct_offset; |
| 140 | int first_packet_seq; |
| 141 | int first_packet_entry; |
| 142 | int packet_seq; |
| 143 | int packet_entry; |
| 144 | int slices; |
| 145 | } vc1_info; |
| 146 | |
| 147 | void *eac3_priv; |
| 148 | } MOVTrack; |
| 149 | |
| 150 | typedef struct MOVMuxContext { |
| 151 | const AVClass *av_class; |
| 152 | int mode; |
| 153 | int64_t time; |
| 154 | int nb_streams; |
| 155 | int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy) |
| 156 | int chapter_track; ///< qt chapter track number |
| 157 | int64_t mdat_pos; |
| 158 | uint64_t mdat_size; |
| 159 | MOVTrack *tracks; |
| 160 | |
| 161 | int flags; |
| 162 | int rtp_flags; |
| 163 | int exact; |
| 164 | |
| 165 | int iods_skip; |
| 166 | int iods_video_profile; |
| 167 | int iods_audio_profile; |
| 168 | |
| 169 | int fragments; |
| 170 | int max_fragment_duration; |
| 171 | int min_fragment_duration; |
| 172 | int max_fragment_size; |
| 173 | int ism_lookahead; |
| 174 | AVIOContext *mdat_buf; |
| 175 | int first_trun; |
| 176 | |
| 177 | int video_track_timescale; |
| 178 | |
| 179 | int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise |
| 180 | int64_t reserved_moov_pos; |
| 181 | |
| 182 | char *major_brand; |
| 183 | |
| 184 | int per_stream_grouping; |
| 185 | AVFormatContext *fc; |
| 186 | |
| 187 | int use_editlist; |
| 188 | } MOVMuxContext; |
| 189 | |
| 190 | #define FF_MOV_FLAG_RTP_HINT (1 << 0) |
| 191 | #define FF_MOV_FLAG_FRAGMENT (1 << 1) |
| 192 | #define FF_MOV_FLAG_EMPTY_MOOV (1 << 2) |
| 193 | #define FF_MOV_FLAG_FRAG_KEYFRAME (1 << 3) |
| 194 | #define FF_MOV_FLAG_SEPARATE_MOOF (1 << 4) |
| 195 | #define FF_MOV_FLAG_FRAG_CUSTOM (1 << 5) |
| 196 | #define FF_MOV_FLAG_ISML (1 << 6) |
| 197 | #define FF_MOV_FLAG_FASTSTART (1 << 7) |
| 198 | #define FF_MOV_FLAG_OMIT_TFHD_OFFSET (1 << 8) |
| 199 | #define FF_MOV_FLAG_DISABLE_CHPL (1 << 9) |
| 200 | #define FF_MOV_FLAG_DEFAULT_BASE_MOOF (1 << 10) |
| 201 | #define FF_MOV_FLAG_DASH (1 << 11) |
| 202 | #define FF_MOV_FLAG_FRAG_DISCONT (1 << 12) |
| 203 | |
| 204 | int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt); |
| 205 | |
| 206 | int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index); |
| 207 | int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, |
| 208 | int track_index, int sample, |
| 209 | uint8_t *sample_data, int sample_size); |
| 210 | void ff_mov_close_hinting(MOVTrack *track); |
| 211 | |
| 212 | #endif /* AVFORMAT_MOVENC_H */ |