/* * MOV, 3GP, MP4 muxer * Copyright (c) 2003 Thomas Raivio * Copyright (c) 2004 Gildas Bazin * Copyright (c) 2009 Baptiste Coudurier * * 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 */ #include "movenc.h" #include "avformat.h" #include "avio_internal.h" #include "riff.h" #include "avio.h" #include "isom.h" #include "avc.h" #include "libavcodec/get_bits.h" #include "libavcodec/put_bits.h" #include "libavcodec/vc1.h" #include "internal.h" #include "libavutil/avstring.h" #include "libavutil/intfloat.h" #include "libavutil/mathematics.h" #include "libavutil/opt.h" #include "libavutil/dict.h" #include "rtpenc.h" #include "mov_chan.h" #undef NDEBUG #include static const AVOption options[] = { { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 }, { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, { "faststart", "Run a second pass to put the moov at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags), { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM}, { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM}, { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM}, { NULL }, }; #define MOV_CLASS(flavor)\ static const AVClass flavor ## _muxer_class = {\ .class_name = #flavor " muxer",\ .item_name = av_default_item_name,\ .option = options,\ .version = LIBAVUTIL_VERSION_INT,\ }; //FIXME support 64 bit variant with wide placeholders static int64_t update_size(AVIOContext *pb, int64_t pos) { int64_t curpos = avio_tell(pb); avio_seek(pb, pos, SEEK_SET); avio_wb32(pb, curpos - pos); /* rewrite size */ avio_seek(pb, curpos, SEEK_SET); return curpos - pos; } static int supports_edts(MOVMuxContext *mov) { // EDTS with fragments is tricky as we dont know the duration when its written return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0; } static int is_co64_required(const MOVTrack *track) { int i; for (i = 0; i < track->entry; i++) { if (!track->cluster[i].chunkNum) continue; if (track->cluster[i].pos + track->data_offset > UINT32_MAX) return 1; } return 0; } /* Chunk offset atom */ static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track) { int i; int mode64 = is_co64_required(track); // use 32 bit size variant if possible int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ if (mode64) ffio_wfourcc(pb, "co64"); else ffio_wfourcc(pb, "stco"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, track->chunkCount); /* entry count */ for (i=0; ientry; i++) { if(!track->cluster[i].chunkNum) continue; if(mode64 == 1) avio_wb64(pb, track->cluster[i].pos + track->data_offset); else avio_wb32(pb, track->cluster[i].pos + track->data_offset); } return update_size(pb, pos); } /* Sample size atom */ static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track) { int equalChunks = 1; int i, j, entries = 0, tst = -1, oldtst = -1; int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "stsz"); avio_wb32(pb, 0); /* version & flags */ for (i=0; ientry; i++) { tst = track->cluster[i].size/track->cluster[i].entries; if(oldtst != -1 && tst != oldtst) { equalChunks = 0; } oldtst = tst; entries += track->cluster[i].entries; } if (equalChunks && track->entry) { int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0; sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0 avio_wb32(pb, sSize); // sample size avio_wb32(pb, entries); // sample count } else { avio_wb32(pb, 0); // sample size avio_wb32(pb, entries); // sample count for (i=0; ientry; i++) { for (j=0; jcluster[i].entries; j++) { avio_wb32(pb, track->cluster[i].size / track->cluster[i].entries); } } } return update_size(pb, pos); } /* Sample to chunk atom */ static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track) { int index = 0, oldval = -1, i; int64_t entryPos, curpos; int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "stsc"); avio_wb32(pb, 0); // version & flags entryPos = avio_tell(pb); avio_wb32(pb, track->chunkCount); // entry count for (i=0; ientry; i++) { if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) { avio_wb32(pb, track->cluster[i].chunkNum); // first chunk avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk avio_wb32(pb, 0x1); // sample description index oldval = track->cluster[i].samples_in_chunk; index++; } } curpos = avio_tell(pb); avio_seek(pb, entryPos, SEEK_SET); avio_wb32(pb, index); // rewrite size avio_seek(pb, curpos, SEEK_SET); return update_size(pb, pos); } /* Sync sample atom */ static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag) { int64_t curpos, entryPos; int i, index = 0; int64_t pos = avio_tell(pb); avio_wb32(pb, 0); // size ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps"); avio_wb32(pb, 0); // version & flags entryPos = avio_tell(pb); avio_wb32(pb, track->entry); // entry count for (i=0; ientry; i++) { if (track->cluster[i].flags & flag) { avio_wb32(pb, i+1); index++; } } curpos = avio_tell(pb); avio_seek(pb, entryPos, SEEK_SET); avio_wb32(pb, index); // rewrite size avio_seek(pb, curpos, SEEK_SET); return update_size(pb, pos); } static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track) { avio_wb32(pb, 0x11); /* size */ if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr"); else ffio_wfourcc(pb, "damr"); ffio_wfourcc(pb, "FFMP"); avio_w8(pb, 0); /* decoder version */ avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ avio_w8(pb, 0x00); /* Mode change period (no restriction) */ avio_w8(pb, 0x01); /* Frames per sample */ return 0x11; } static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track) { GetBitContext gbc; PutBitContext pbc; uint8_t buf[3]; int fscod, bsid, bsmod, acmod, lfeon, frmsizecod; if (track->vos_len < 7) return -1; avio_wb32(pb, 11); ffio_wfourcc(pb, "dac3"); init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8); fscod = get_bits(&gbc, 2); frmsizecod = get_bits(&gbc, 6); bsid = get_bits(&gbc, 5); bsmod = get_bits(&gbc, 3); acmod = get_bits(&gbc, 3); if (acmod == 2) { skip_bits(&gbc, 2); // dsurmod } else { if ((acmod & 1) && acmod != 1) skip_bits(&gbc, 2); // cmixlev if (acmod & 4) skip_bits(&gbc, 2); // surmixlev } lfeon = get_bits1(&gbc); init_put_bits(&pbc, buf, sizeof(buf)); put_bits(&pbc, 2, fscod); put_bits(&pbc, 5, bsid); put_bits(&pbc, 3, bsmod); put_bits(&pbc, 3, acmod); put_bits(&pbc, 1, lfeon); put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code put_bits(&pbc, 5, 0); // reserved flush_put_bits(&pbc); avio_write(pb, buf, sizeof(buf)); return 11; } /** * This function writes extradata "as is". * Extradata must be formatted like a valid atom (with size and tag). */ static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track) { avio_write(pb, track->enc->extradata, track->enc->extradata_size); return track->enc->extradata_size; } static int mov_write_enda_tag(AVIOContext *pb) { avio_wb32(pb, 10); ffio_wfourcc(pb, "enda"); avio_wb16(pb, 1); /* little endian */ return 10; } static int mov_write_enda_tag_be(AVIOContext *pb) { avio_wb32(pb, 10); ffio_wfourcc(pb, "enda"); avio_wb16(pb, 0); /* big endian */ return 10; } static void put_descr(AVIOContext *pb, int tag, unsigned int size) { int i = 3; avio_w8(pb, tag); for(; i>0; i--) avio_w8(pb, (size>>(7*i)) | 0x80); avio_w8(pb, size & 0x7F); } static unsigned compute_avg_bitrate(MOVTrack *track) { uint64_t size = 0; int i; if (!track->track_duration) return 0; for (i = 0; i < track->entry; i++) size += track->cluster[i].size; return size * 8 * track->timescale / track->track_duration; } static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic { int64_t pos = avio_tell(pb); int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0; unsigned avg_bitrate; avio_wb32(pb, 0); // size ffio_wfourcc(pb, "esds"); avio_wb32(pb, 0); // Version // ES descriptor put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1); avio_wb16(pb, track->track_id); avio_w8(pb, 0x00); // flags (= no flags) // DecoderConfig descriptor put_descr(pb, 0x04, 13 + decoder_specific_info_len); // Object type indication if ((track->enc->codec_id == AV_CODEC_ID_MP2 || track->enc->codec_id == AV_CODEC_ID_MP3) && track->enc->sample_rate > 24000) avio_w8(pb, 0x6B); // 11172-3 else avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO) avio_w8(pb, 0x15); // flags (= Audiostream) else avio_w8(pb, 0x11); // flags (= Visualstream) avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits) avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB avg_bitrate = compute_avg_bitrate(track); // maxbitrate (FIXME should be max rate in any 1 sec window) avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate)); avio_wb32(pb, avg_bitrate); if (track->vos_len) { // DecoderSpecific info descriptor put_descr(pb, 0x05, track->vos_len); avio_write(pb, track->vos_data, track->vos_len); } // SL descriptor put_descr(pb, 0x06, 1); avio_w8(pb, 0x02); return update_size(pb, pos); } static int mov_pcm_le_gt16(enum AVCodecID codec_id) { return codec_id == AV_CODEC_ID_PCM_S24LE || codec_id == AV_CODEC_ID_PCM_S32LE || codec_id == AV_CODEC_ID_PCM_F32LE || codec_id == AV_CODEC_ID_PCM_F64LE; } static int mov_pcm_be_gt16(enum AVCodecID codec_id) { return codec_id == AV_CODEC_ID_PCM_S24BE || codec_id == AV_CODEC_ID_PCM_S32BE || codec_id == AV_CODEC_ID_PCM_F32BE || codec_id == AV_CODEC_ID_PCM_F64BE; } static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); avio_wl32(pb, track->tag); // store it byteswapped track->enc->codec_tag = av_bswap16(track->tag >> 16); ff_put_wav_header(pb, track->enc); return update_size(pb, pos); } static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); ffio_wfourcc(pb, "wfex"); ff_put_wav_header(pb, track->enc); return update_size(pb, pos); } static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track) { uint32_t layout_tag, bitmap; int64_t pos = avio_tell(pb); layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id, track->enc->channel_layout, &bitmap); if (!layout_tag) { av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to " "lack of channel information\n"); return 0; } avio_wb32(pb, 0); // Size ffio_wfourcc(pb, "chan"); // Type avio_w8(pb, 0); // Version avio_wb24(pb, 0); // Flags avio_wb32(pb, layout_tag); // mChannelLayoutTag avio_wb32(pb, bitmap); // mChannelBitmap avio_wb32(pb, 0); // mNumberChannelDescriptions return update_size(pb, pos); } static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "wave"); if (track->enc->codec_id != AV_CODEC_ID_QDM2) { avio_wb32(pb, 12); /* size */ ffio_wfourcc(pb, "frma"); avio_wl32(pb, track->tag); } if (track->enc->codec_id == AV_CODEC_ID_AAC) { /* useless atom needed by mplayer, ipod, not needed by quicktime */ avio_wb32(pb, 12); /* size */ ffio_wfourcc(pb, "mp4a"); avio_wb32(pb, 0); mov_write_esds_tag(pb, track); } else if (mov_pcm_le_gt16(track->enc->codec_id)) { mov_write_enda_tag(pb); } else if (mov_pcm_be_gt16(track->enc->codec_id)) { mov_write_enda_tag_be(pb); } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) { mov_write_amr_tag(pb, track); } else if (track->enc->codec_id == AV_CODEC_ID_AC3) { mov_write_ac3_tag(pb, track); } else if (track->enc->codec_id == AV_CODEC_ID_ALAC || track->enc->codec_id == AV_CODEC_ID_QDM2) { mov_write_extradata_tag(pb, track); } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { mov_write_ms_tag(pb, track); } avio_wb32(pb, 8); /* size */ avio_wb32(pb, 0); /* null tag */ return update_size(pb, pos); } static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf) { uint8_t *unescaped; const uint8_t *start, *next, *end = track->vos_data + track->vos_len; int unescaped_size, seq_found = 0; int level = 0, interlace = 0; int packet_seq = track->vc1_info.packet_seq; int packet_entry = track->vc1_info.packet_entry; int slices = track->vc1_info.slices; PutBitContext pbc; if (track->start_dts == AV_NOPTS_VALUE) { /* No packets written yet, vc1_info isn't authoritative yet. */ /* Assume inline sequence and entry headers. This will be * overwritten at the end if the file is seekable. */ packet_seq = packet_entry = 1; } unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE); if (!unescaped) return AVERROR(ENOMEM); start = find_next_marker(track->vos_data, end); for (next = start; next < end; start = next) { GetBitContext gb; int size; next = find_next_marker(start + 4, end); size = next - start - 4; if (size <= 0) continue; unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped); init_get_bits(&gb, unescaped, 8 * unescaped_size); if (AV_RB32(start) == VC1_CODE_SEQHDR) { int profile = get_bits(&gb, 2); if (profile != PROFILE_ADVANCED) { av_free(unescaped); return AVERROR(ENOSYS); } seq_found = 1; level = get_bits(&gb, 3); /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag, * width, height */ skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12); skip_bits(&gb, 1); /* broadcast */ interlace = get_bits1(&gb); skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */ } } if (!seq_found) { av_free(unescaped); return AVERROR(ENOSYS); } init_put_bits(&pbc, buf, 7); /* VC1DecSpecStruc */ put_bits(&pbc, 4, 12); /* profile - advanced */ put_bits(&pbc, 3, level); put_bits(&pbc, 1, 0); /* reserved */ /* VC1AdvDecSpecStruc */ put_bits(&pbc, 3, level); put_bits(&pbc, 1, 0); /* cbr */ put_bits(&pbc, 6, 0); /* reserved */ put_bits(&pbc, 1, !interlace); /* no interlace */ put_bits(&pbc, 1, !packet_seq); /* no multiple seq */ put_bits(&pbc, 1, !packet_entry); /* no multiple entry */ put_bits(&pbc, 1, !slices); /* no slice code */ put_bits(&pbc, 1, 0); /* no bframe */ put_bits(&pbc, 1, 0); /* reserved */ put_bits32(&pbc, track->enc->time_base.den); /* framerate */ flush_put_bits(&pbc); av_free(unescaped); return 0; } static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track) { uint8_t buf[7] = { 0 }; int ret; if ((ret = mov_write_dvc1_structs(track, buf)) < 0) return ret; avio_wb32(pb, track->vos_len + 8 + sizeof(buf)); ffio_wfourcc(pb, "dvc1"); track->vc1_info.struct_offset = avio_tell(pb); avio_write(pb, buf, sizeof(buf)); avio_write(pb, track->vos_data, track->vos_len); return 0; } static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track) { avio_wb32(pb, track->vos_len + 8); ffio_wfourcc(pb, "glbl"); avio_write(pb, track->vos_data, track->vos_len); return 8 + track->vos_len; } /** * Compute flags for 'lpcm' tag. * See CoreAudioTypes and AudioStreamBasicDescription at Apple. */ static int mov_get_lpcm_flags(enum AVCodecID codec_id) { switch (codec_id) { case AV_CODEC_ID_PCM_F32BE: case AV_CODEC_ID_PCM_F64BE: return 11; case AV_CODEC_ID_PCM_F32LE: case AV_CODEC_ID_PCM_F64LE: return 9; case AV_CODEC_ID_PCM_U8: return 10; case AV_CODEC_ID_PCM_S16BE: case AV_CODEC_ID_PCM_S24BE: case AV_CODEC_ID_PCM_S32BE: return 14; case AV_CODEC_ID_PCM_S8: case AV_CODEC_ID_PCM_S16LE: case AV_CODEC_ID_PCM_S24LE: case AV_CODEC_ID_PCM_S32LE: return 12; default: return 0; } } static int get_cluster_duration(MOVTrack *track, int cluster_idx) { int64_t next_dts; if (cluster_idx >= track->entry) return 0; if (cluster_idx + 1 == track->entry) next_dts = track->track_duration + track->start_dts; else next_dts = track->cluster[cluster_idx + 1].dts; return next_dts - track->cluster[cluster_idx].dts; } static int get_samples_per_packet(MOVTrack *track) { int i, first_duration; // return track->enc->frame_size; /* use 1 for raw PCM */ if (!track->audio_vbr) return 1; /* check to see if duration is constant for all clusters */ if (!track->entry) return 0; first_duration = get_cluster_duration(track, 0); for (i = 1; i < track->entry; i++) { if (get_cluster_duration(track, i) != first_duration) return 0; } return first_duration; } static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); int version = 0; uint32_t tag = track->tag; if (track->mode == MODE_MOV) { if (track->timescale > UINT16_MAX) { if (mov_get_lpcm_flags(track->enc->codec_id)) tag = AV_RL32("lpcm"); version = 2; } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) || mov_pcm_be_gt16(track->enc->codec_id) || track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || track->enc->codec_id == AV_CODEC_ID_QDM2) { version = 1; } } avio_wb32(pb, 0); /* size */ avio_wl32(pb, tag); // store it byteswapped avio_wb32(pb, 0); /* Reserved */ avio_wb16(pb, 0); /* Reserved */ avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */ /* SoundDescription */ avio_wb16(pb, version); /* Version */ avio_wb16(pb, 0); /* Revision level */ avio_wb32(pb, 0); /* Reserved */ if (version == 2) { avio_wb16(pb, 3); avio_wb16(pb, 16); avio_wb16(pb, 0xfffe); avio_wb16(pb, 0); avio_wb32(pb, 0x00010000); avio_wb32(pb, 72); avio_wb64(pb, av_double2int(track->enc->sample_rate)); avio_wb32(pb, track->enc->channels); avio_wb32(pb, 0x7F000000); avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id)); avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id)); avio_wb32(pb, track->sample_size); avio_wb32(pb, get_samples_per_packet(track)); } else { if (track->mode == MODE_MOV) { avio_wb16(pb, track->enc->channels); if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 || track->enc->codec_id == AV_CODEC_ID_PCM_S8) avio_wb16(pb, 8); /* bits per sample */ else avio_wb16(pb, 16); avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ } else { /* reserved for mp4/3gp */ avio_wb16(pb, 2); avio_wb16(pb, 16); avio_wb16(pb, 0); } avio_wb16(pb, 0); /* packet size (= 0) */ avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ? track->enc->sample_rate : 0); avio_wb16(pb, 0); /* Reserved */ } if(version == 1) { /* SoundDescription V1 extended info */ if (mov_pcm_le_gt16(track->enc->codec_id) || mov_pcm_be_gt16(track->enc->codec_id)) avio_wb32(pb, 1); /* must be 1 for uncompressed formats */ else avio_wb32(pb, track->enc->frame_size); /* Samples per packet */ avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */ avio_wb32(pb, track->sample_size); /* Bytes per frame */ avio_wb32(pb, 2); /* Bytes per sample */ } if(track->mode == MODE_MOV && (track->enc->codec_id == AV_CODEC_ID_AAC || track->enc->codec_id == AV_CODEC_ID_AC3 || track->enc->codec_id == AV_CODEC_ID_AMR_NB || track->enc->codec_id == AV_CODEC_ID_ALAC || track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || track->enc->codec_id == AV_CODEC_ID_QDM2 || (mov_pcm_le_gt16(track->enc->codec_id) && version==1) || (mov_pcm_be_gt16(track->enc->codec_id) && version==1))) mov_write_wave_tag(pb, track); else if(track->tag == MKTAG('m','p','4','a')) mov_write_esds_tag(pb, track); else if(track->enc->codec_id == AV_CODEC_ID_AMR_NB) mov_write_amr_tag(pb, track); else if(track->enc->codec_id == AV_CODEC_ID_AC3) mov_write_ac3_tag(pb, track); else if(track->enc->codec_id == AV_CODEC_ID_ALAC) mov_write_extradata_tag(pb, track); else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) mov_write_wfex_tag(pb, track); else if (track->vos_len > 0) mov_write_glbl_tag(pb, track); if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO) mov_write_chan_tag(pb, track); return update_size(pb, pos); } static int mov_write_d263_tag(AVIOContext *pb) { avio_wb32(pb, 0xf); /* size */ ffio_wfourcc(pb, "d263"); ffio_wfourcc(pb, "FFMP"); avio_w8(pb, 0); /* decoder version */ /* FIXME use AVCodecContext level/profile, when encoder will set values */ avio_w8(pb, 0xa); /* level */ avio_w8(pb, 0); /* profile */ return 0xf; } static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); ffio_wfourcc(pb, "avcC"); ff_isom_write_avcc(pb, track->vos_data, track->vos_len); return update_size(pb, pos); } /* also used by all avid codecs (dv, imx, meridien) and their variants */ static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track) { int i; avio_wb32(pb, 24); /* size */ ffio_wfourcc(pb, "ACLR"); ffio_wfourcc(pb, "ACLR"); ffio_wfourcc(pb, "0001"); avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */ avio_wb32(pb, 0); /* unknown */ avio_wb32(pb, 24); /* size */ ffio_wfourcc(pb, "APRG"); ffio_wfourcc(pb, "APRG"); ffio_wfourcc(pb, "0001"); avio_wb32(pb, 1); /* unknown */ avio_wb32(pb, 0); /* unknown */ avio_wb32(pb, 120); /* size */ ffio_wfourcc(pb, "ARES"); ffio_wfourcc(pb, "ARES"); ffio_wfourcc(pb, "0001"); avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */ avio_wb32(pb, track->enc->width); /* values below are based on samples created with quicktime and avid codecs */ if (track->vos_data[5] & 2) { // interlaced avio_wb32(pb, track->enc->height/2); avio_wb32(pb, 2); /* unknown */ avio_wb32(pb, 0); /* unknown */ avio_wb32(pb, 4); /* unknown */ } else { avio_wb32(pb, track->enc->height); avio_wb32(pb, 1); /* unknown */ avio_wb32(pb, 0); /* unknown */ if (track->enc->height == 1080) avio_wb32(pb, 5); /* unknown */ else avio_wb32(pb, 6); /* unknown */ } /* padding */ for (i = 0; i < 10; i++) avio_wb64(pb, 0); /* extra padding for stsd needed */ avio_wb32(pb, 0); return 0; } static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag = track->enc->codec_tag; if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)) return 0; if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1'); else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1'); else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); return tag; } static const AVCodecTag codec_ipod_tags[] = { { AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') }, { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') }, { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, { AV_CODEC_ID_NONE, 0 }, }; static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag = track->enc->codec_tag; // keep original tag for subs, ipod supports both formats if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE && (tag == MKTAG('t','x','3','g') || tag == MKTAG('t','e','x','t')))) tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v")) av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v " "Quicktime/Ipod might not play the file\n"); return tag; } static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag; if (track->enc->width == 720) { /* SD */ if (track->enc->height == 480) { /* NTSC */ if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); else tag = MKTAG('d','v','c',' '); }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); else tag = MKTAG('d','v','p','p'); } else if (track->enc->height == 720) { /* HD 720 line */ if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q'); else tag = MKTAG('d','v','h','p'); } else if (track->enc->height == 1080) { /* HD 1080 line */ if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5'); else tag = MKTAG('d','v','h','6'); } else { av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n"); return 0; } return tag; } static const struct { enum AVPixelFormat pix_fmt; uint32_t tag; unsigned bps; } mov_pix_fmt_tags[] = { { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 }, { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 }, { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 }, { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 }, { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 }, }; static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag = track->enc->codec_tag; int i; for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) { tag = mov_pix_fmt_tags[i].tag; track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag) break; } } return tag; } static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag = track->enc->codec_tag; if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL && (track->enc->codec_id == AV_CODEC_ID_DVVIDEO || track->enc->codec_id == AV_CODEC_ID_RAWVIDEO || track->enc->codec_id == AV_CODEC_ID_H263 || av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO) tag = mov_get_dv_codec_tag(s, track); else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) tag = mov_get_rawvideo_codec_tag(s, track); else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id); if (!tag) { // if no mac fcc found, try with Microsoft tags tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); if (tag) av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, " "the file may be unplayable!\n"); } } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id); if (!tag) { // if no mac fcc found, try with Microsoft tags int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id); if (ms_tag) { tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, " "the file may be unplayable!\n"); } } } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); } return tag; } static const AVCodecTag codec_3gp_tags[] = { { AV_CODEC_ID_H263, MKTAG('s','2','6','3') }, { AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, { AV_CODEC_ID_NONE, 0 }, }; static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG? { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') }, { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, { AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') }, { AV_CODEC_ID_NONE, 0 }, }; static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag; if (track->mode == MODE_MP4 || track->mode == MODE_PSP) tag = mp4_get_codec_tag(s, track); else if (track->mode == MODE_ISM) { tag = mp4_get_codec_tag(s, track); if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO) tag = MKTAG('w', 'm', 'a', ' '); } else if (track->mode == MODE_IPOD) tag = ipod_get_codec_tag(s, track); else if (track->mode & MODE_3GP) tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); else if (track->mode & MODE_F4V) tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id); else tag = mov_get_codec_tag(s, track); return tag; } /** Write uuid atom. * Needed to make file play in iPods running newest firmware * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1 */ static int mov_write_uuid_tag_ipod(AVIOContext *pb) { avio_wb32(pb, 28); ffio_wfourcc(pb, "uuid"); avio_wb32(pb, 0x6b6840f2); avio_wb32(pb, 0x5f244fc5); avio_wb32(pb, 0xba39a51b); avio_wb32(pb, 0xcf0323f3); avio_wb32(pb, 0x0); return 28; } static const uint16_t fiel_data[] = { 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e }; static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track) { unsigned mov_field_order = 0; if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data)) mov_field_order = fiel_data[track->enc->field_order]; else return 0; avio_wb32(pb, 10); ffio_wfourcc(pb, "fiel"); avio_wb16(pb, mov_field_order); return 10; } static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ avio_wl32(pb, track->tag); // store it byteswapped avio_wb32(pb, 0); /* Reserved */ avio_wb16(pb, 0); /* Reserved */ avio_wb16(pb, 1); /* Data-reference index */ if (track->enc->extradata_size) avio_write(pb, track->enc->extradata, track->enc->extradata_size); return update_size(pb, pos); } static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track) { AVRational sar; av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num, track->enc->sample_aspect_ratio.den, INT_MAX); avio_wb32(pb, 16); ffio_wfourcc(pb, "pasp"); avio_wb32(pb, sar.num); avio_wb32(pb, sar.den); return 16; } static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); char compressor_name[32] = { 0 }; avio_wb32(pb, 0); /* size */ avio_wl32(pb, track->tag); // store it byteswapped avio_wb32(pb, 0); /* Reserved */ avio_wb16(pb, 0); /* Reserved */ avio_wb16(pb, 1); /* Data-reference index */ avio_wb16(pb, 0); /* Codec stream version */ avio_wb16(pb, 0); /* Codec stream revision (=0) */ if (track->mode == MODE_MOV) { ffio_wfourcc(pb, "FFMP"); /* Vendor */ if(track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) { avio_wb32(pb, 0); /* Temporal Quality */ avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/ } else { avio_wb32(pb, 0x200); /* Temporal Quality = normal */ avio_wb32(pb, 0x200); /* Spatial Quality = normal */ } } else { avio_wb32(pb, 0); /* Reserved */ avio_wb32(pb, 0); /* Reserved */ avio_wb32(pb, 0); /* Reserved */ } avio_wb16(pb, track->enc->width); /* Video width */ avio_wb16(pb, track->height); /* Video height */ avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */ avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */ avio_wb32(pb, 0); /* Data size (= 0) */ avio_wb16(pb, 1); /* Frame count (= 1) */ /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */ if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) av_strlcpy(compressor_name,track->enc->codec->name,32); avio_w8(pb, strlen(compressor_name)); avio_write(pb, compressor_name, 31); if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample) avio_wb16(pb, track->enc->bits_per_coded_sample); else avio_wb16(pb, 0x18); /* Reserved */ avio_wb16(pb, 0xffff); /* Reserved */ if(track->tag == MKTAG('m','p','4','v')) mov_write_esds_tag(pb, track); else if(track->enc->codec_id == AV_CODEC_ID_H263) mov_write_d263_tag(pb); else if(track->enc->codec_id == AV_CODEC_ID_AVUI || track->enc->codec_id == AV_CODEC_ID_SVQ3) { mov_write_extradata_tag(pb, track); avio_wb32(pb, 0); } else if(track->enc->codec_id == AV_CODEC_ID_DNXHD) mov_write_avid_tag(pb, track); else if(track->enc->codec_id == AV_CODEC_ID_H264) { mov_write_avcc_tag(pb, track); if(track->mode == MODE_IPOD) mov_write_uuid_tag_ipod(pb); } else if (track->enc->field_order != AV_FIELD_UNKNOWN) mov_write_fiel_tag(pb, track); else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0) mov_write_dvc1_tag(pb, track); else if (track->vos_len > 0) mov_write_glbl_tag(pb, track); if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num && track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) { mov_write_pasp_tag(pb, track); } return update_size(pb, pos); } static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den); int nb_frames = (track->timescale + frame_duration/2) / frame_duration; avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "tmcd"); /* Data format */ avio_wb32(pb, 0); /* Reserved */ avio_wb32(pb, 1); /* Data reference index */ avio_wb32(pb, 0); /* Flags */ avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */ avio_wb32(pb, track->timescale); /* Timescale */ avio_wb32(pb, frame_duration); /* Frame duration */ avio_w8(pb, nb_frames); /* Number of frames */ avio_wb24(pb, 0); /* Reserved */ /* TODO: source reference string */ return update_size(pb, pos); } static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "rtp "); avio_wb32(pb, 0); /* Reserved */ avio_wb16(pb, 0); /* Reserved */ avio_wb16(pb, 1); /* Data-reference index */ avio_wb16(pb, 1); /* Hint track version */ avio_wb16(pb, 1); /* Highest compatible version */ avio_wb32(pb, track->max_packet_size); /* Max packet size */ avio_wb32(pb, 12); /* size */ ffio_wfourcc(pb, "tims"); avio_wb32(pb, track->timescale); return update_size(pb, pos); } static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "stsd"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, 1); /* entry count */ if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) mov_write_video_tag(pb, track); else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) mov_write_audio_tag(pb, track); else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) mov_write_subtitle_tag(pb, track); else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) mov_write_rtp_tag(pb, track); else if (track->enc->codec_tag == MKTAG('t','m','c','d')) mov_write_tmcd_tag(pb, track); return update_size(pb, pos); } static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track) { MOVStts *ctts_entries; uint32_t entries = 0; uint32_t atom_size; int i; ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ ctts_entries[0].count = 1; ctts_entries[0].duration = track->cluster[0].cts; for (i=1; ientry; i++) { if (track->cluster[i].cts == ctts_entries[entries].duration) { ctts_entries[entries].count++; /* compress */ } else { entries++; ctts_entries[entries].duration = track->cluster[i].cts; ctts_entries[entries].count = 1; } } entries++; /* last one */ atom_size = 16 + (entries * 8); avio_wb32(pb, atom_size); /* size */ ffio_wfourcc(pb, "ctts"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, entries); /* entry count */ for (i=0; ienc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) { stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ stts_entries[0].count = track->sample_count; stts_entries[0].duration = 1; entries = 1; } else { stts_entries = track->entry ? av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */ NULL; for (i=0; ientry; i++) { int duration = get_cluster_duration(track, i); if (i && duration == stts_entries[entries].duration) { stts_entries[entries].count++; /* compress */ } else { entries++; stts_entries[entries].duration = duration; stts_entries[entries].count = 1; } } entries++; /* last one */ } atom_size = 16 + (entries * 8); avio_wb32(pb, atom_size); /* size */ ffio_wfourcc(pb, "stts"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, entries); /* entry count */ for (i=0; ienc->codec_type == AVMEDIA_TYPE_VIDEO || track->enc->codec_tag == MKTAG('r','t','p',' ')) && track->has_keyframes && track->has_keyframes < track->entry) mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS) mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->flags & MOV_TRACK_CTTS) mov_write_ctts_tag(pb, track); mov_write_stsc_tag(pb, track); mov_write_stsz_tag(pb, track); mov_write_stco_tag(pb, track); return update_size(pb, pos); } static int mov_write_dinf_tag(AVIOContext *pb) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "dinf"); mov_write_dref_tag(pb); return update_size(pb, pos); } static int mov_write_nmhd_tag(AVIOContext *pb) { avio_wb32(pb, 12); ffio_wfourcc(pb, "nmhd"); avio_wb32(pb, 0); return 12; } static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); const char *font = "Lucida Grande"; avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */ avio_wb32(pb, 0); /* version & flags */ avio_wb16(pb, 0); /* text font */ avio_wb16(pb, 0); /* text face */ avio_wb16(pb, 12); /* text size */ avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */ avio_wb16(pb, 0x0000); /* text color (red) */ avio_wb16(pb, 0x0000); /* text color (green) */ avio_wb16(pb, 0x0000); /* text color (blue) */ avio_wb16(pb, 0xffff); /* background color (red) */ avio_wb16(pb, 0xffff); /* background color (green) */ avio_wb16(pb, 0xffff); /* background color (blue) */ avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */ avio_write(pb, font, strlen(font)); /* font name */ return update_size(pb, pos); } static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "gmhd"); avio_wb32(pb, 0x18); /* gmin size */ ffio_wfourcc(pb, "gmin");/* generic media info */ avio_wb32(pb, 0); /* version & flags */ avio_wb16(pb, 0x40); /* graphics mode = */ avio_wb16(pb, 0x8000); /* opColor (r?) */ avio_wb16(pb, 0x8000); /* opColor (g?) */ avio_wb16(pb, 0x8000); /* opColor (b?) */ avio_wb16(pb, 0); /* balance */ avio_wb16(pb, 0); /* reserved */ /* * This special text atom is required for * Apple Quicktime chapters. The contents * don't appear to be documented, so the * bytes are copied verbatim. */ if (track->tag != MKTAG('c','6','0','8')) { avio_wb32(pb, 0x2C); /* size */ ffio_wfourcc(pb, "text"); avio_wb16(pb, 0x01); avio_wb32(pb, 0x00); avio_wb32(pb, 0x00); avio_wb32(pb, 0x00); avio_wb32(pb, 0x01); avio_wb32(pb, 0x00); avio_wb32(pb, 0x00); avio_wb32(pb, 0x00); avio_wb32(pb, 0x00004000); avio_wb16(pb, 0x0000); } if (track->enc->codec_tag == MKTAG('t','m','c','d')) { int64_t tmcd_pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "tmcd"); mov_write_tcmi_tag(pb, track); update_size(pb, tmcd_pos); } return update_size(pb, pos); } static int mov_write_smhd_tag(AVIOContext *pb) { avio_wb32(pb, 16); /* size */ ffio_wfourcc(pb, "smhd"); avio_wb32(pb, 0); /* version & flags */ avio_wb16(pb, 0); /* reserved (balance, normally = 0) */ avio_wb16(pb, 0); /* reserved */ return 16; } static int mov_write_vmhd_tag(AVIOContext *pb) { avio_wb32(pb, 0x14); /* size (always 0x14) */ ffio_wfourcc(pb, "vmhd"); avio_wb32(pb, 0x01); /* version & flags */ avio_wb64(pb, 0); /* reserved (graphics mode = copy) */ return 0x14; } static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track) { const char *hdlr, *descr = NULL, *hdlr_type = NULL; int64_t pos = avio_tell(pb); if (!track) { /* no media --> data handler */ hdlr = "dhlr"; hdlr_type = "url "; descr = "DataHandler"; } else { hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { hdlr_type = "vide"; descr = "VideoHandler"; } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { hdlr_type = "soun"; descr = "SoundHandler"; } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { if (track->tag == MKTAG('c','6','0','8')) { hdlr_type = "clcp"; descr = "ClosedCaptionHandler"; } else { if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl"; else hdlr_type = "text"; descr = "SubtitleHandler"; } } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) { hdlr_type = "tmcd"; descr = "TimeCodeHandler"; } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { hdlr_type = "hint"; descr = "HintHandler"; } else { hdlr = "dhlr"; hdlr_type = "url "; descr = "DataHandler"; } } avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "hdlr"); avio_wb32(pb, 0); /* Version & flags */ avio_write(pb, hdlr, 4); /* handler */ ffio_wfourcc(pb, hdlr_type); /* handler type */ avio_wb32(pb ,0); /* reserved */ avio_wb32(pb ,0); /* reserved */ avio_wb32(pb ,0); /* reserved */ if (!track || track->mode == MODE_MOV) avio_w8(pb, strlen(descr)); /* pascal string */ avio_write(pb, descr, strlen(descr)); /* handler description */ if (track && track->mode != MODE_MOV) avio_w8(pb, 0); /* c string */ return update_size(pb, pos); } static int mov_write_hmhd_tag(AVIOContext *pb) { /* This atom must be present, but leaving the values at zero * seems harmless. */ avio_wb32(pb, 28); /* size */ ffio_wfourcc(pb, "hmhd"); avio_wb32(pb, 0); /* version, flags */ avio_wb16(pb, 0); /* maxPDUsize */ avio_wb16(pb, 0); /* avgPDUsize */ avio_wb32(pb, 0); /* maxbitrate */ avio_wb32(pb, 0); /* avgbitrate */ avio_wb32(pb, 0); /* reserved */ return 28; } static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "minf"); if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO) mov_write_vmhd_tag(pb); else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) mov_write_smhd_tag(pb); else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) { mov_write_gmhd_tag(pb, track); } else { mov_write_nmhd_tag(pb); } } else if (track->tag == MKTAG('t','m','c','d')) { mov_write_gmhd_tag(pb, track); } else if (track->tag == MKTAG('r','t','p',' ')) { mov_write_hmhd_tag(pb); } if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ mov_write_hdlr_tag(pb, NULL); mov_write_dinf_tag(pb); mov_write_stbl_tag(pb, track); return update_size(pb, pos); } static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track) { int version = track->track_duration < INT32_MAX ? 0 : 1; if (track->mode == MODE_ISM) version = 1; (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */ ffio_wfourcc(pb, "mdhd"); avio_w8(pb, version); avio_wb24(pb, 0); /* flags */ if (version == 1) { avio_wb64(pb, track->time); avio_wb64(pb, track->time); } else { avio_wb32(pb, track->time); /* creation time */ avio_wb32(pb, track->time); /* modification time */ } avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */ if (!track->entry) (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); else (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */ avio_wb16(pb, track->language); /* language */ avio_wb16(pb, 0); /* reserved (quality) */ if(version!=0 && track->mode == MODE_MOV){ av_log(NULL, AV_LOG_ERROR, "FATAL error, file duration too long for timebase, this file will not be\n" "playable with quicktime. Choose a different timebase or a different\n" "container format\n"); } return 32; } static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "mdia"); mov_write_mdhd_tag(pb, track); mov_write_hdlr_tag(pb, track); mov_write_minf_tag(pb, track); return update_size(pb, pos); } /* transformation matrix |a b u| |c d v| |tx ty w| */ static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c, int16_t d, int16_t tx, int16_t ty) { avio_wb32(pb, a << 16); /* 16.16 format */ avio_wb32(pb, b << 16); /* 16.16 format */ avio_wb32(pb, 0); /* u in 2.30 format */ avio_wb32(pb, c << 16); /* 16.16 format */ avio_wb32(pb, d << 16); /* 16.16 format */ avio_wb32(pb, 0); /* v in 2.30 format */ avio_wb32(pb, tx << 16); /* 16.16 format */ avio_wb32(pb, ty << 16); /* 16.16 format */ avio_wb32(pb, 1 << 30); /* w in 2.30 format */ } static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) { int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE, track->timescale, AV_ROUND_UP); int version = duration < INT32_MAX ? 0 : 1; int rotation = 0; if (track->mode == MODE_ISM) version = 1; (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */ ffio_wfourcc(pb, "tkhd"); avio_w8(pb, version); avio_wb24(pb, 0xf); /* flags (track enabled) */ if (version == 1) { avio_wb64(pb, track->time); avio_wb64(pb, track->time); } else { avio_wb32(pb, track->time); /* creation time */ avio_wb32(pb, track->time); /* modification time */ } avio_wb32(pb, track->track_id); /* track-id */ avio_wb32(pb, 0); /* reserved */ if (!track->entry) (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); else (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); avio_wb32(pb, 0); /* reserved */ avio_wb32(pb, 0); /* reserved */ avio_wb16(pb, 0); /* layer */ avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */ /* Volume, only for audio */ if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO) avio_wb16(pb, 0x0100); else avio_wb16(pb, 0); avio_wb16(pb, 0); /* reserved */ /* Matrix structure */ if (st && st->metadata) { AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0); rotation = (rot && rot->value) ? atoi(rot->value) : 0; } if (rotation == 90) { write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0); } else if (rotation == 180) { write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height); } else if (rotation == 270) { write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width); } else { write_matrix(pb, 1, 0, 0, 1, 0, 0); } /* Track width and height, for visual only */ if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO || track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { if(track->mode == MODE_MOV) { avio_wb32(pb, track->enc->width << 16); avio_wb32(pb, track->height << 16); } else { double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); if(!sample_aspect_ratio || track->height != track->enc->height) sample_aspect_ratio = 1; avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000); avio_wb32(pb, track->height*0x10000); } } else { avio_wb32(pb, 0); avio_wb32(pb, 0); } return 0x5c; } static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track) { int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width, track->enc->sample_aspect_ratio.den); int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "tapt"); avio_wb32(pb, 20); ffio_wfourcc(pb, "clef"); avio_wb32(pb, 0); avio_wb32(pb, width << 16); avio_wb32(pb, track->enc->height << 16); avio_wb32(pb, 20); ffio_wfourcc(pb, "prof"); avio_wb32(pb, 0); avio_wb32(pb, width << 16); avio_wb32(pb, track->enc->height << 16); avio_wb32(pb, 20); ffio_wfourcc(pb, "enof"); avio_wb32(pb, 0); avio_wb32(pb, track->enc->width << 16); avio_wb32(pb, track->enc->height << 16); return update_size(pb, pos); } // This box seems important for the psp playback ... without it the movie seems to hang static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track) { int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE, track->timescale, AV_ROUND_UP); int version = duration < INT32_MAX ? 0 : 1; int entry_size, entry_count, size; int64_t delay, start_ct = track->cluster[0].cts; delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN); version |= delay < INT32_MAX ? 0 : 1; entry_size = (version == 1) ? 20 : 12; entry_count = 1 + (delay > 0); size = 24 + entry_count * entry_size; /* write the atom data */ avio_wb32(pb, size); ffio_wfourcc(pb, "edts"); avio_wb32(pb, size - 8); ffio_wfourcc(pb, "elst"); avio_w8(pb, version); avio_wb24(pb, 0); /* flags */ avio_wb32(pb, entry_count); if (delay > 0) { /* add an empty edit to delay presentation */ if (version == 1) { avio_wb64(pb, delay); avio_wb64(pb, -1); } else { avio_wb32(pb, delay); avio_wb32(pb, -1); } avio_wb32(pb, 0x00010000); } else { av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0); start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding duration += delay; } /* duration */ if (version == 1) { avio_wb64(pb, duration); avio_wb64(pb, start_ct); } else { avio_wb32(pb, duration); avio_wb32(pb, start_ct); } avio_wb32(pb, 0x00010000); return size; } static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track) { avio_wb32(pb, 20); // size ffio_wfourcc(pb, "tref"); avio_wb32(pb, 12); // size (subatom) avio_wl32(pb, track->tref_tag); avio_wb32(pb, track->tref_id); return 20; } // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it) static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov) { avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */ ffio_wfourcc(pb, "uuid"); ffio_wfourcc(pb, "USMT"); avio_wb32(pb, 0x21d24fce); avio_wb32(pb, 0xbb88695c); avio_wb32(pb, 0xfac9c740); avio_wb32(pb, 0x1c); // another size here! ffio_wfourcc(pb, "MTDT"); avio_wb32(pb, 0x00010012); avio_wb32(pb, 0x0a); avio_wb32(pb, 0x55c40000); avio_wb32(pb, 0x1); avio_wb32(pb, 0x0); return 0x34; } static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track) { AVFormatContext *ctx = track->rtp_ctx; char buf[1000] = ""; int len; ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track, NULL, NULL, 0, 0, ctx); av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id); len = strlen(buf); avio_wb32(pb, len + 24); ffio_wfourcc(pb, "udta"); avio_wb32(pb, len + 16); ffio_wfourcc(pb, "hnti"); avio_wb32(pb, len + 8); ffio_wfourcc(pb, "sdp "); avio_write(pb, buf, len); return len + 24; } static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "trak"); mov_write_tkhd_tag(pb, track, st); if (supports_edts(mov)) mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box if (track->tref_tag) mov_write_tref_tag(pb, track); mov_write_mdia_tag(pb, track); if (track->mode == MODE_PSP) mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box if (track->tag == MKTAG('r','t','p',' ')) mov_write_udta_sdp(pb, track); if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) { double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) mov_write_tapt_tag(pb, track); }; return update_size(pb, pos); } static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov) { int i, has_audio = 0, has_video = 0; int64_t pos = avio_tell(pb); int audio_profile = mov->iods_audio_profile; int video_profile = mov->iods_video_profile; for (i = 0; i < mov->nb_streams; i++) { if(mov->tracks[i].entry > 0) { has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO; has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO; } } if (audio_profile < 0) audio_profile = 0xFF - has_audio; if (video_profile < 0) video_profile = 0xFF - has_video; avio_wb32(pb, 0x0); /* size */ ffio_wfourcc(pb, "iods"); avio_wb32(pb, 0); /* version & flags */ put_descr(pb, 0x10, 7); avio_wb16(pb, 0x004f); avio_w8(pb, 0xff); avio_w8(pb, 0xff); avio_w8(pb, audio_profile); avio_w8(pb, video_profile); avio_w8(pb, 0xff); return update_size(pb, pos); } static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track) { avio_wb32(pb, 0x20); /* size */ ffio_wfourcc(pb, "trex"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, track->track_id); /* track ID */ avio_wb32(pb, 1); /* default sample description index */ avio_wb32(pb, 0); /* default sample duration */ avio_wb32(pb, 0); /* default sample size */ avio_wb32(pb, 0); /* default sample flags */ return 0; } static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov) { int64_t pos = avio_tell(pb); int i; avio_wb32(pb, 0x0); /* size */ ffio_wfourcc(pb, "mvex"); for (i = 0; i < mov->nb_streams; i++) mov_write_trex_tag(pb, &mov->tracks[i]); return update_size(pb, pos); } static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov) { int max_track_id = 1, i; int64_t max_track_len_temp, max_track_len = 0; int version; for (i=0; inb_streams; i++) { if(mov->tracks[i].entry > 0) { max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration, MOV_TIMESCALE, mov->tracks[i].timescale, AV_ROUND_UP); if (max_track_len < max_track_len_temp) max_track_len = max_track_len_temp; if (max_track_id < mov->tracks[i].track_id) max_track_id = mov->tracks[i].track_id; } } version = max_track_len < UINT32_MAX ? 0 : 1; (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */ ffio_wfourcc(pb, "mvhd"); avio_w8(pb, version); avio_wb24(pb, 0); /* flags */ if (version == 1) { avio_wb64(pb, mov->time); avio_wb64(pb, mov->time); } else { avio_wb32(pb, mov->time); /* creation time */ avio_wb32(pb, mov->time); /* modification time */ } avio_wb32(pb, MOV_TIMESCALE); (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */ avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ avio_wb16(pb, 0); /* reserved */ avio_wb32(pb, 0); /* reserved */ avio_wb32(pb, 0); /* reserved */ /* Matrix structure */ write_matrix(pb, 1, 0, 0, 1, 0, 0); avio_wb32(pb, 0); /* reserved (preview time) */ avio_wb32(pb, 0); /* reserved (preview duration) */ avio_wb32(pb, 0); /* reserved (poster time) */ avio_wb32(pb, 0); /* reserved (selection time) */ avio_wb32(pb, 0); /* reserved (selection duration) */ avio_wb32(pb, 0); /* reserved (current time) */ avio_wb32(pb, max_track_id + 1); /* Next track id */ return 0x6c; } static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { avio_wb32(pb, 33); /* size */ ffio_wfourcc(pb, "hdlr"); avio_wb32(pb, 0); avio_wb32(pb, 0); ffio_wfourcc(pb, "mdir"); ffio_wfourcc(pb, "appl"); avio_wb32(pb, 0); avio_wb32(pb, 0); avio_w8(pb, 0); return 33; } /* helper function to write a data tag with the specified string as data */ static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style) { if(long_style){ int size = 16 + strlen(data); avio_wb32(pb, size); /* size */ ffio_wfourcc(pb, "data"); avio_wb32(pb, 1); avio_wb32(pb, 0); avio_write(pb, data, strlen(data)); return size; }else{ if (!lang) lang = ff_mov_iso639_to_lang("und", 1); avio_wb16(pb, strlen(data)); /* string length */ avio_wb16(pb, lang); avio_write(pb, data, strlen(data)); return strlen(data) + 4; } } static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){ int size = 0; if (value && value[0]) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, name); mov_write_string_data_tag(pb, value, lang, long_style); size = update_size(pb, pos); } return size; } static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb, const char *name, const char *tag, int long_style) { int l, lang = 0, len, len2; AVDictionaryEntry *t, *t2 = NULL; char tag2[16]; if (!(t = av_dict_get(s->metadata, tag, NULL, 0))) return 0; len = strlen(t->key); snprintf(tag2, sizeof(tag2), "%s-", tag); while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) { len2 = strlen(t2->key); if (len2 == len+4 && !strcmp(t->value, t2->value) && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) { lang = l; break; } } return mov_write_string_tag(pb, name, t->value, lang, long_style); } /* iTunes bpm number */ static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s) { AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0); int size = 0, tmpo = t ? atoi(t->value) : 0; if (tmpo) { size = 26; avio_wb32(pb, size); ffio_wfourcc(pb, "tmpo"); avio_wb32(pb, size-8); /* size */ ffio_wfourcc(pb, "data"); avio_wb32(pb, 0x15); //type specifier avio_wb32(pb, 0); avio_wb16(pb, tmpo); // data } return size; } /* iTunes track number */ static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0); int size = 0, track = t ? atoi(t->value) : 0; if (track) { avio_wb32(pb, 32); /* size */ ffio_wfourcc(pb, "trkn"); avio_wb32(pb, 24); /* size */ ffio_wfourcc(pb, "data"); avio_wb32(pb, 0); // 8 bytes empty avio_wb32(pb, 0); avio_wb16(pb, 0); // empty avio_wb16(pb, track); // track number avio_wb16(pb, 0); // total track number avio_wb16(pb, 0); // empty size = 32; } return size; } static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb, const char *name, const char *tag, int len) { AVDictionaryEntry *t = NULL; uint8_t num; if (!(t = av_dict_get(s->metadata, tag, NULL, 0))) return 0; num = atoi(t->value); avio_wb32(pb, len+8); ffio_wfourcc(pb, name); if (len==4) avio_wb32(pb, num); else avio_w8 (pb, num); return len+8; } /* iTunes meta data list */ static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "ilst"); mov_write_string_metadata(s, pb, "\251nam", "title" , 1); mov_write_string_metadata(s, pb, "\251ART", "artist" , 1); mov_write_string_metadata(s, pb, "aART", "album_artist", 1); mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); mov_write_string_metadata(s, pb, "\251alb", "album" , 1); mov_write_string_metadata(s, pb, "\251day", "date" , 1); mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); mov_write_string_metadata(s, pb, "desc", "description",1); mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); mov_write_string_metadata(s, pb, "tvsh", "show" , 1); mov_write_string_metadata(s, pb, "tven", "episode_id",1); mov_write_string_metadata(s, pb, "tvnn", "network" , 1); mov_write_int8_metadata (s, pb, "tves", "episode_sort",4); mov_write_int8_metadata (s, pb, "tvsn", "season_number",4); mov_write_int8_metadata (s, pb, "stik", "media_type",1); mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1); mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1); mov_write_trkn_tag(pb, mov, s); mov_write_tmpo_tag(pb, s); return update_size(pb, pos); } /* iTunes meta data tag */ static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { int size = 0; int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "meta"); avio_wb32(pb, 0); mov_write_itunes_hdlr_tag(pb, mov, s); mov_write_ilst_tag(pb, mov, s); size = update_size(pb, pos); return size; } static int utf8len(const uint8_t *b) { int len=0; int val; while(*b){ GET_UTF8(val, *b++, return -1;) len++; } return len; } static int ascii_to_wc(AVIOContext *pb, const uint8_t *b) { int val; while(*b){ GET_UTF8(val, *b++, return -1;) avio_wb16(pb, val); } avio_wb16(pb, 0x00); return 0; } static uint16_t language_code(const char *str) { return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F); } static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s, const char *tag, const char *str) { int64_t pos = avio_tell(pb); AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0); if (!t || !utf8len(t->value)) return 0; avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, tag); /* type */ avio_wb32(pb, 0); /* version + flags */ if (!strcmp(tag, "yrrc")) avio_wb16(pb, atoi(t->value)); else { avio_wb16(pb, language_code("eng")); /* language */ avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */ if (!strcmp(tag, "albm") && (t = av_dict_get(s->metadata, "track", NULL, 0))) avio_w8(pb, atoi(t->value)); } return update_size(pb, pos); } static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s) { int64_t pos = avio_tell(pb); int i, nb_chapters = FFMIN(s->nb_chapters, 255); avio_wb32(pb, 0); // size ffio_wfourcc(pb, "chpl"); avio_wb32(pb, 0x01000000); // version + flags avio_wb32(pb, 0); // unknown avio_w8(pb, nb_chapters); for (i = 0; i < nb_chapters; i++) { AVChapter *c = s->chapters[i]; AVDictionaryEntry *t; avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { int len = FFMIN(strlen(t->value), 255); avio_w8(pb, len); avio_write(pb, t->value, len); } else avio_w8(pb, 0); } return update_size(pb, pos); } static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { AVIOContext *pb_buf; int i, ret, size; uint8_t *buf; for (i = 0; i < s->nb_streams; i++) if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) { return 0; } ret = avio_open_dyn_buf(&pb_buf); if(ret < 0) return ret; if (mov->mode & MODE_3GP) { mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0); mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0); mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0); mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0); mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0); mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0); // currently ignored by mov.c mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0); // add support for libquicktime, this atom is also actually read by mov.c mov_write_string_metadata(s, pb_buf, "\251cmt", "comment" , 0); mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0); mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0); } else { /* iTunes meta data */ mov_write_meta_tag(pb_buf, mov, s); } if (s->nb_chapters) mov_write_chpl_tag(pb_buf, s); if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) { avio_wb32(pb, size+8); ffio_wfourcc(pb, "udta"); avio_write(pb, buf, size); } av_free(buf); return 0; } static void mov_write_psp_udta_tag(AVIOContext *pb, const char *str, const char *lang, int type) { int len = utf8len(str)+1; if(len<=0) return; avio_wb16(pb, len*2+10); /* size */ avio_wb32(pb, type); /* type */ avio_wb16(pb, language_code(lang)); /* language */ avio_wb16(pb, 0x01); /* ? */ ascii_to_wc(pb, str); } static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s) { AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0); int64_t pos, pos2; if (title) { pos = avio_tell(pb); avio_wb32(pb, 0); /* size placeholder*/ ffio_wfourcc(pb, "uuid"); ffio_wfourcc(pb, "USMT"); avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ avio_wb32(pb, 0xbb88695c); avio_wb32(pb, 0xfac9c740); pos2 = avio_tell(pb); avio_wb32(pb, 0); /* size placeholder*/ ffio_wfourcc(pb, "MTDT"); avio_wb16(pb, 4); // ? avio_wb16(pb, 0x0C); /* size */ avio_wb32(pb, 0x0B); /* type */ avio_wb16(pb, language_code("und")); /* language */ avio_wb16(pb, 0x0); /* ? */ avio_wb16(pb, 0x021C); /* data */ mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); update_size(pb, pos2); return update_size(pb, pos); } return 0; } static void build_chunks(MOVTrack *trk) { int i; MOVIentry *chunk= &trk->cluster[0]; uint64_t chunkSize = chunk->size; chunk->chunkNum= 1; if (trk->chunkCount) return; trk->chunkCount= 1; for(i=1; ientry; i++){ if(chunk->pos + chunkSize == trk->cluster[i].pos && chunkSize + trk->cluster[i].size < (1<<20)){ chunkSize += trk->cluster[i].size; chunk->samples_in_chunk += trk->cluster[i].entries; }else{ trk->cluster[i].chunkNum = chunk->chunkNum+1; chunk=&trk->cluster[i]; chunkSize = chunk->size; trk->chunkCount++; } } } static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { int i; int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size placeholder*/ ffio_wfourcc(pb, "moov"); for (i=0; inb_streams; i++) { if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) continue; mov->tracks[i].time = mov->time; mov->tracks[i].track_id = i+1; if (mov->tracks[i].entry) build_chunks(&mov->tracks[i]); } if (mov->chapter_track) for (i=0; inb_streams; i++) { mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id; } for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); mov->tracks[i].tref_id = mov->tracks[mov->tracks[i].src_track].track_id; } } for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].tag == MKTAG('t','m','c','d')) { int src_trk = mov->tracks[i].src_track; mov->tracks[src_trk].tref_tag = mov->tracks[i].tag; mov->tracks[src_trk].tref_id = mov->tracks[i].track_id; mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration; } } mov_write_mvhd_tag(pb, mov); if (mov->mode != MODE_MOV && !mov->iods_skip) mov_write_iods_tag(pb, mov); for (i=0; inb_streams; i++) { if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) { mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); } } if (mov->flags & FF_MOV_FLAG_FRAGMENT) mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */ if (mov->mode == MODE_PSP) mov_write_uuidusmt_tag(pb, s); else mov_write_udta_tag(pb, mov, s); return update_size(pb, pos); } static void param_write_int(AVIOContext *pb, const char *name, int value) { avio_printf(pb, "\n", name, value); } static void param_write_string(AVIOContext *pb, const char *name, const char *value) { avio_printf(pb, "\n", name, value); } static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len) { char buf[150]; len = FFMIN(sizeof(buf)/2 - 1, len); ff_data_to_hex(buf, value, len, 0); buf[2*len] = '\0'; avio_printf(pb, "\n", name, buf); } static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov) { int64_t pos = avio_tell(pb); int i; const uint8_t uuid[] = { 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd, 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 }; avio_wb32(pb, 0); ffio_wfourcc(pb, "uuid"); avio_write(pb, uuid, sizeof(uuid)); avio_wb32(pb, 0); avio_printf(pb, "\n"); avio_printf(pb, "\n"); avio_printf(pb, "\n"); avio_printf(pb, "\n", LIBAVFORMAT_IDENT); avio_printf(pb, "\n"); avio_printf(pb, "\n"); avio_printf(pb, "\n"); for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; const char *type; /* track->track_id is initialized in write_moov, and thus isn't known * here yet */ int track_id = i + 1; if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { type = "video"; } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { type = "audio"; } else { continue; } avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type, track->enc->bit_rate); param_write_int(pb, "systemBitrate", track->enc->bit_rate); param_write_int(pb, "trackID", track_id); if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { if (track->enc->codec_id == AV_CODEC_ID_H264) { uint8_t *ptr; int size = track->enc->extradata_size; if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr, &size)) { param_write_hex(pb, "CodecPrivateData", ptr ? ptr : track->enc->extradata, size); av_free(ptr); } param_write_string(pb, "FourCC", "H264"); } else if (track->enc->codec_id == AV_CODEC_ID_VC1) { param_write_string(pb, "FourCC", "WVC1"); param_write_hex(pb, "CodecPrivateData", track->enc->extradata, track->enc->extradata_size); } param_write_int(pb, "MaxWidth", track->enc->width); param_write_int(pb, "MaxHeight", track->enc->height); param_write_int(pb, "DisplayWidth", track->enc->width); param_write_int(pb, "DisplayHeight", track->enc->height); } else { if (track->enc->codec_id == AV_CODEC_ID_AAC) { param_write_string(pb, "FourCC", "AACL"); } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) { param_write_string(pb, "FourCC", "WMAP"); } param_write_hex(pb, "CodecPrivateData", track->enc->extradata, track->enc->extradata_size); param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id)); param_write_int(pb, "Channels", track->enc->channels); param_write_int(pb, "SamplingRate", track->enc->sample_rate); param_write_int(pb, "BitsPerSample", 16); param_write_int(pb, "PacketSize", track->enc->block_align ? track->enc->block_align : 4); } avio_printf(pb, "\n", type); } avio_printf(pb, "\n"); avio_printf(pb, "\n"); avio_printf(pb, "\n"); return update_size(pb, pos); } static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov) { avio_wb32(pb, 16); ffio_wfourcc(pb, "mfhd"); avio_wb32(pb, 0); avio_wb32(pb, mov->fragments); return 0; } static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track, int64_t moof_offset) { int64_t pos = avio_tell(pb); uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION | MOV_TFHD_BASE_DATA_OFFSET; if (!track->entry) { flags |= MOV_TFHD_DURATION_IS_EMPTY; } else { flags |= MOV_TFHD_DEFAULT_FLAGS; } /* Don't set a default sample size, the silverlight player refuses * to play files with that set. Don't set a default sample duration, * WMP freaks out if it is set. */ if (track->mode == MODE_ISM) flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION); avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "tfhd"); avio_w8(pb, 0); /* version */ avio_wb24(pb, flags); avio_wb32(pb, track->track_id); /* track-id */ if (flags & MOV_TFHD_BASE_DATA_OFFSET) avio_wb64(pb, moof_offset); if (flags & MOV_TFHD_DEFAULT_DURATION) { track->default_duration = get_cluster_duration(track, 0); avio_wb32(pb, track->default_duration); } if (flags & MOV_TFHD_DEFAULT_SIZE) { track->default_size = track->entry ? track->cluster[0].size : 1; avio_wb32(pb, track->default_size); } else track->default_size = -1; if (flags & MOV_TFHD_DEFAULT_FLAGS) { track->default_sample_flags = track->enc->codec_type == AVMEDIA_TYPE_VIDEO ? (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) : MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO; avio_wb32(pb, track->default_sample_flags); } return update_size(pb, pos); } static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry) { return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO : (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC); } static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); uint32_t flags = MOV_TRUN_DATA_OFFSET; int i; for (i = 0; i < track->entry; i++) { if (get_cluster_duration(track, i) != track->default_duration) flags |= MOV_TRUN_SAMPLE_DURATION; if (track->cluster[i].size != track->default_size) flags |= MOV_TRUN_SAMPLE_SIZE; if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags) flags |= MOV_TRUN_SAMPLE_FLAGS; } if (!(flags & MOV_TRUN_SAMPLE_FLAGS)) flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS; if (track->flags & MOV_TRACK_CTTS) flags |= MOV_TRUN_SAMPLE_CTS; avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "trun"); avio_w8(pb, 0); /* version */ avio_wb24(pb, flags); avio_wb32(pb, track->entry); /* sample count */ track->moof_size_offset = avio_tell(pb); avio_wb32(pb, 0); /* data offset */ if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS) avio_wb32(pb, get_sample_flags(track, &track->cluster[0])); for (i = 0; i < track->entry; i++) { if (flags & MOV_TRUN_SAMPLE_DURATION) avio_wb32(pb, get_cluster_duration(track, i)); if (flags & MOV_TRUN_SAMPLE_SIZE) avio_wb32(pb, track->cluster[i].size); if (flags & MOV_TRUN_SAMPLE_FLAGS) avio_wb32(pb, get_sample_flags(track, &track->cluster[i])); if (flags & MOV_TRUN_SAMPLE_CTS) avio_wb32(pb, track->cluster[i].cts); } return update_size(pb, pos); } static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); const uint8_t uuid[] = { 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6, 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2 }; avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "uuid"); avio_write(pb, uuid, sizeof(uuid)); avio_w8(pb, 1); avio_wb24(pb, 0); avio_wb64(pb, track->frag_start); avio_wb64(pb, track->start_dts + track->track_duration - track->cluster[0].dts); return update_size(pb, pos); } static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int entry) { int n = track->nb_frag_info - 1 - entry, i; int size = 8 + 16 + 4 + 1 + 16*n; const uint8_t uuid[] = { 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95, 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f }; if (entry < 0) return 0; avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET); avio_wb32(pb, size); ffio_wfourcc(pb, "uuid"); avio_write(pb, uuid, sizeof(uuid)); avio_w8(pb, 1); avio_wb24(pb, 0); avio_w8(pb, n); for (i = 0; i < n; i++) { int index = entry + 1 + i; avio_wb64(pb, track->frag_info[index].time); avio_wb64(pb, track->frag_info[index].duration); } if (n < mov->ism_lookahead) { int free_size = 16*(mov->ism_lookahead - n); avio_wb32(pb, free_size); ffio_wfourcc(pb, "free"); for (i = 0; i < free_size - 8; i++) avio_w8(pb, 0); } return 0; } static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track) { int64_t pos = avio_tell(pb); int i; for (i = 0; i < mov->ism_lookahead; i++) { /* Update the tfrf tag for the last ism_lookahead fragments, * nb_frag_info - 1 is the next fragment to be written. */ mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i); } avio_seek(pb, pos, SEEK_SET); return 0; } static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int64_t moof_offset) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "traf"); mov_write_tfhd_tag(pb, track, moof_offset); mov_write_trun_tag(pb, track); if (mov->mode == MODE_ISM) { mov_write_tfxd_tag(pb, track); if (mov->ism_lookahead) { int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead; track->tfrf_offset = avio_tell(pb); avio_wb32(pb, 8 + size); ffio_wfourcc(pb, "free"); for (i = 0; i < size; i++) avio_w8(pb, 0); } } return update_size(pb, pos); } static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks) { int64_t pos = avio_tell(pb), end; int i, moof_size; avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "moof"); mov_write_mfhd_tag(pb, mov); for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; if (tracks >= 0 && i != tracks) continue; if (!track->entry) continue; mov_write_traf_tag(pb, mov, track, pos); } end = avio_tell(pb); moof_size = end - pos; for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; if (tracks >= 0 && i != tracks) continue; if (!track->entry) continue; avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET); avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset); } avio_seek(pb, end, SEEK_SET); return update_size(pb, pos); } static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); int i; avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "tfra"); avio_w8(pb, 1); /* version */ avio_wb24(pb, 0); avio_wb32(pb, track->track_id); avio_wb32(pb, 0); /* length of traf/trun/sample num */ avio_wb32(pb, track->nb_frag_info); for (i = 0; i < track->nb_frag_info; i++) { avio_wb64(pb, track->frag_info[i].time); avio_wb64(pb, track->frag_info[i].offset); avio_w8(pb, 1); /* traf number */ avio_w8(pb, 1); /* trun number */ avio_w8(pb, 1); /* sample number */ } return update_size(pb, pos); } static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov) { int64_t pos = avio_tell(pb); int i; avio_wb32(pb, 0); /* size placeholder */ ffio_wfourcc(pb, "mfra"); /* An empty mfra atom is enough to indicate to the publishing point that * the stream has ended. */ if (mov->flags & FF_MOV_FLAG_ISML) return update_size(pb, pos); for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; if (track->nb_frag_info) mov_write_tfra_tag(pb, track); } avio_wb32(pb, 16); ffio_wfourcc(pb, "mfro"); avio_wb32(pb, 0); /* version + flags */ avio_wb32(pb, avio_tell(pb) + 4 - pos); return update_size(pb, pos); } static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov) { avio_wb32(pb, 8); // placeholder for extended size field (64 bit) ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free"); mov->mdat_pos = avio_tell(pb); avio_wb32(pb, 0); /* size placeholder*/ ffio_wfourcc(pb, "mdat"); return 0; } /* TODO: This needs to be more general */ static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s) { MOVMuxContext *mov = s->priv_data; int64_t pos = avio_tell(pb); int has_h264 = 0, has_video = 0; int minor = 0x200; int i; for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) has_video = 1; if (st->codec->codec_id == AV_CODEC_ID_H264) has_h264 = 1; } avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "ftyp"); if (mov->mode == MODE_3GP) { ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4"); minor = has_h264 ? 0x100 : 0x200; } else if (mov->mode & MODE_3G2) { ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a"); minor = has_h264 ? 0x20000 : 0x10000; }else if (mov->mode == MODE_PSP) ffio_wfourcc(pb, "MSNV"); else if (mov->mode == MODE_MP4) ffio_wfourcc(pb, "isom"); else if (mov->mode == MODE_IPOD) ffio_wfourcc(pb, has_video ? "M4V ":"M4A "); else if (mov->mode == MODE_ISM) ffio_wfourcc(pb, "isml"); else if (mov->mode == MODE_F4V) ffio_wfourcc(pb, "f4v "); else ffio_wfourcc(pb, "qt "); avio_wb32(pb, minor); if(mov->mode == MODE_MOV) ffio_wfourcc(pb, "qt "); else if (mov->mode == MODE_ISM) { ffio_wfourcc(pb, "piff"); ffio_wfourcc(pb, "iso2"); } else { ffio_wfourcc(pb, "isom"); ffio_wfourcc(pb, "iso2"); if(has_h264) ffio_wfourcc(pb, "avc1"); } if (mov->mode == MODE_3GP) ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4"); else if (mov->mode & MODE_3G2) ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a"); else if (mov->mode == MODE_PSP) ffio_wfourcc(pb, "MSNV"); else if (mov->mode == MODE_MP4) ffio_wfourcc(pb, "mp41"); return update_size(pb, pos); } static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s) { AVCodecContext *video_codec = s->streams[0]->codec; AVCodecContext *audio_codec = s->streams[1]->codec; int audio_rate = audio_codec->sample_rate; int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num); int audio_kbitrate = audio_codec->bit_rate / 1000; int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate); avio_wb32(pb, 0x94); /* size */ ffio_wfourcc(pb, "uuid"); ffio_wfourcc(pb, "PROF"); avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ avio_wb32(pb, 0xbb88695c); avio_wb32(pb, 0xfac9c740); avio_wb32(pb, 0x0); /* ? */ avio_wb32(pb, 0x3); /* 3 sections ? */ avio_wb32(pb, 0x14); /* size */ ffio_wfourcc(pb, "FPRF"); avio_wb32(pb, 0x0); /* ? */ avio_wb32(pb, 0x0); /* ? */ avio_wb32(pb, 0x0); /* ? */ avio_wb32(pb, 0x2c); /* size */ ffio_wfourcc(pb, "APRF");/* audio */ avio_wb32(pb, 0x0); avio_wb32(pb, 0x2); /* TrackID */ ffio_wfourcc(pb, "mp4a"); avio_wb32(pb, 0x20f); avio_wb32(pb, 0x0); avio_wb32(pb, audio_kbitrate); avio_wb32(pb, audio_kbitrate); avio_wb32(pb, audio_rate); avio_wb32(pb, audio_codec->channels); avio_wb32(pb, 0x34); /* size */ ffio_wfourcc(pb, "VPRF"); /* video */ avio_wb32(pb, 0x0); avio_wb32(pb, 0x1); /* TrackID */ if (video_codec->codec_id == AV_CODEC_ID_H264) { ffio_wfourcc(pb, "avc1"); avio_wb16(pb, 0x014D); avio_wb16(pb, 0x0015); } else { ffio_wfourcc(pb, "mp4v"); avio_wb16(pb, 0x0000); avio_wb16(pb, 0x0103); } avio_wb32(pb, 0x0); avio_wb32(pb, video_kbitrate); avio_wb32(pb, video_kbitrate); avio_wb32(pb, frame_rate); avio_wb32(pb, frame_rate); avio_wb16(pb, video_codec->width); avio_wb16(pb, video_codec->height); avio_wb32(pb, 0x010001); /* ? */ } static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) { uint32_t c = -1; int i, closed_gop = 0; for (i = 0; i < pkt->size - 4; i++) { c = (c<<8) + pkt->data[i]; if (c == 0x1b8) { // gop closed_gop = pkt->data[i+4]>>6 & 0x01; } else if (c == 0x100) { // pic int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); if (!temp_ref || closed_gop) // I picture is not reordered *flags = MOV_SYNC_SAMPLE; else *flags = MOV_PARTIAL_SYNC_SAMPLE; break; } } return 0; } static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment) { const uint8_t *start, *next, *end = pkt->data + pkt->size; int seq = 0, entry = 0; int key = pkt->flags & AV_PKT_FLAG_KEY; start = find_next_marker(pkt->data, end); for (next = start; next < end; start = next) { next = find_next_marker(start + 4, end); switch (AV_RB32(start)) { case VC1_CODE_SEQHDR: seq = 1; break; case VC1_CODE_ENTRYPOINT: entry = 1; break; case VC1_CODE_SLICE: trk->vc1_info.slices = 1; break; } } if (!trk->entry && !fragment) { /* First packet in first fragment */ trk->vc1_info.first_packet_seq = seq; trk->vc1_info.first_packet_entry = entry; } else if ((seq && !trk->vc1_info.packet_seq) || (entry && !trk->vc1_info.packet_entry)) { int i; for (i = 0; i < trk->entry; i++) trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE; trk->has_keyframes = 0; if (seq) trk->vc1_info.packet_seq = 1; if (entry) trk->vc1_info.packet_entry = 1; if (!fragment) { /* First fragment */ if ((!seq || trk->vc1_info.first_packet_seq) && (!entry || trk->vc1_info.first_packet_entry)) { /* First packet had the same headers as this one, readd the * sync sample flag. */ trk->cluster[0].flags |= MOV_SYNC_SAMPLE; trk->has_keyframes = 1; } } } if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry) key = seq && entry; else if (trk->vc1_info.packet_seq) key = seq; else if (trk->vc1_info.packet_entry) key = entry; if (key) { trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE; trk->has_keyframes++; } } static int get_moov_size(AVFormatContext *s) { int ret; uint8_t *buf; AVIOContext *moov_buf; MOVMuxContext *mov = s->priv_data; if ((ret = avio_open_dyn_buf(&moov_buf)) < 0) return ret; mov_write_moov_tag(moov_buf, mov, s); ret = avio_close_dyn_buf(moov_buf, &buf); av_free(buf); return ret; } static int mov_flush_fragment(AVFormatContext *s) { MOVMuxContext *mov = s->priv_data; int i, first_track = -1; int64_t mdat_size = 0; if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) return 0; if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) { int64_t pos = avio_tell(s->pb); uint8_t *buf; int buf_size, moov_size; for (i = 0; i < mov->nb_streams; i++) if (!mov->tracks[i].entry) break; /* Don't write the initial moov unless all tracks have data */ if (i < mov->nb_streams) return 0; moov_size = get_moov_size(s); for (i = 0; i < mov->nb_streams; i++) mov->tracks[i].data_offset = pos + moov_size + 8; mov_write_moov_tag(s->pb, mov, s); buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf); mov->mdat_buf = NULL; avio_wb32(s->pb, buf_size + 8); ffio_wfourcc(s->pb, "mdat"); avio_write(s->pb, buf, buf_size); av_free(buf); mov->fragments++; mov->mdat_size = 0; for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].entry) mov->tracks[i].frag_start += mov->tracks[i].start_dts + mov->tracks[i].track_duration - mov->tracks[i].cluster[0].dts; mov->tracks[i].entry = 0; } avio_flush(s->pb); return 0; } for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) track->data_offset = 0; else track->data_offset = mdat_size; if (!track->mdat_buf) continue; mdat_size += avio_tell(track->mdat_buf); if (first_track < 0) first_track = i; } if (!mdat_size) return 0; for (i = 0; i < mov->nb_streams; i++) { MOVTrack *track = &mov->tracks[i]; int buf_size, write_moof = 1, moof_tracks = -1; uint8_t *buf; int64_t duration = 0; if (track->entry) duration = track->start_dts + track->track_duration - track->cluster[0].dts; if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) { if (!track->mdat_buf) continue; mdat_size = avio_tell(track->mdat_buf); moof_tracks = i; } else { write_moof = i == first_track; } if (write_moof) { MOVFragmentInfo *info; avio_flush(s->pb); track->nb_frag_info++; track->frag_info = av_realloc(track->frag_info, sizeof(*track->frag_info) * track->nb_frag_info); info = &track->frag_info[track->nb_frag_info - 1]; info->offset = avio_tell(s->pb); info->time = mov->tracks[i].frag_start; info->duration = duration; mov_write_tfrf_tags(s->pb, mov, track); mov_write_moof_tag(s->pb, mov, moof_tracks); info->tfrf_offset = track->tfrf_offset; mov->fragments++; avio_wb32(s->pb, mdat_size + 8); ffio_wfourcc(s->pb, "mdat"); } if (track->entry) track->frag_start += duration; track->entry = 0; if (!track->mdat_buf) continue; buf_size = avio_close_dyn_buf(track->mdat_buf, &buf); track->mdat_buf = NULL; avio_write(s->pb, buf, buf_size); av_free(buf); } mov->mdat_size = 0; avio_flush(s->pb); return 0; } int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) { MOVMuxContext *mov = s->priv_data; AVIOContext *pb = s->pb; MOVTrack *trk = &mov->tracks[pkt->stream_index]; AVCodecContext *enc = trk->enc; unsigned int samples_in_chunk = 0; int size= pkt->size; uint8_t *reformatted_data = NULL; if (mov->flags & FF_MOV_FLAG_FRAGMENT) { int ret; if (mov->fragments > 0) { if (!trk->mdat_buf) { if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0) return ret; } pb = trk->mdat_buf; } else { if (!mov->mdat_buf) { if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0) return ret; } pb = mov->mdat_buf; } } if (enc->codec_id == AV_CODEC_ID_AMR_NB) { /* We must find out how many AMR blocks there are in one packet */ static uint16_t packed_size[16] = {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1}; int len = 0; while (len < size && samples_in_chunk < 100) { len += packed_size[(pkt->data[len] >> 3) & 0x0F]; samples_in_chunk++; } if (samples_in_chunk > 1) { av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); return -1; } } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS || enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { samples_in_chunk = enc->frame_size; } else if (trk->sample_size) samples_in_chunk = size / trk->sample_size; else samples_in_chunk = 1; /* copy extradata if it exists */ if (trk->vos_len == 0 && enc->extradata_size > 0) { trk->vos_len = enc->extradata_size; trk->vos_data = av_malloc(trk->vos_len); memcpy(trk->vos_data, enc->extradata, trk->vos_len); } if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) { /* from x264 or from bytestream h264 */ /* nal reformating needed */ if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data, &size); avio_write(pb, reformatted_data, size); } else { size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); } } else if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) { av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n"); return -1; } else { avio_write(pb, pkt->data, size); } if ((enc->codec_id == AV_CODEC_ID_DNXHD || enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) { /* copy frame to create needed atoms */ trk->vos_len = size; trk->vos_data = av_malloc(size); if (!trk->vos_data) return AVERROR(ENOMEM); memcpy(trk->vos_data, pkt->data, size); } if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) { trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE)); if (!trk->cluster) return -1; } trk->cluster[trk->entry].pos = avio_tell(pb) - size; trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk; trk->cluster[trk->entry].chunkNum = 0; trk->cluster[trk->entry].size = size; trk->cluster[trk->entry].entries = samples_in_chunk; trk->cluster[trk->entry].dts = pkt->dts; if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) { /* First packet of a new fragment. We already wrote the duration * of the last packet of the previous fragment based on track_duration, * which might not exactly match our dts. Therefore adjust the dts * of this packet to be what the previous packets duration implies. */ trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration; } if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) { trk->cluster[trk->entry].dts = trk->start_dts = 0; } if (trk->start_dts == AV_NOPTS_VALUE) trk->start_dts = pkt->dts; trk->track_duration = pkt->dts - trk->start_dts + pkt->duration; trk->last_sample_is_subtitle_end = 0; if (pkt->pts == AV_NOPTS_VALUE) { av_log(s, AV_LOG_WARNING, "pts has no value\n"); pkt->pts = pkt->dts; } if (pkt->dts != pkt->pts) trk->flags |= MOV_TRACK_CTTS; trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; trk->cluster[trk->entry].flags = 0; if (enc->codec_id == AV_CODEC_ID_VC1) { mov_parse_vc1_frame(pkt, trk, mov->fragments); } else if (pkt->flags & AV_PKT_FLAG_KEY) { if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && trk->entry > 0) { // force sync sample for the first key frame mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE) trk->flags |= MOV_TRACK_STPS; } else { trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; } if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE) trk->has_keyframes++; } trk->entry++; trk->sample_count += samples_in_chunk; mov->mdat_size += size; avio_flush(pb); if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry, reformatted_data, size); av_free(reformatted_data); return 0; } static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt) { MOVMuxContext *mov = s->priv_data; MOVTrack *trk = &mov->tracks[pkt->stream_index]; AVCodecContext *enc = trk->enc; int64_t frag_duration = 0; int size = pkt->size; if (!pkt->size) return 0; /* Discard 0 sized packets */ if (trk->entry && pkt->stream_index < s->nb_streams) frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts, s->streams[pkt->stream_index]->time_base, AV_TIME_BASE_Q); if ((mov->max_fragment_duration && frag_duration >= mov->max_fragment_duration) || (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) || (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME && enc->codec_type == AVMEDIA_TYPE_VIDEO && trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) { if (frag_duration >= mov->min_fragment_duration) mov_flush_fragment(s); } return ff_mov_write_packet(s, pkt); } static int mov_write_subtitle_end_packet(AVFormatContext *s, int stream_index, int64_t dts) { AVPacket end; uint8_t data[2] = {0}; int ret; av_init_packet(&end); end.size = sizeof(data); end.data = data; end.pts = dts; end.dts = dts; end.duration = 0; end.stream_index = stream_index; ret = mov_write_single_packet(s, &end); av_free_packet(&end); return ret; } static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) { if (!pkt) { mov_flush_fragment(s); return 1; } else { int i; MOVMuxContext *mov = s->priv_data; if (!pkt->size) return 0; /* Discard 0 sized packets */ /* * Subtitles require special handling. * * 1) For full complaince, every track must have a sample at * dts == 0, which is rarely true for subtitles. So, as soon * as we see any packet with dts > 0, write an empty subtitle * at dts == 0 for any subtitle track with no samples in it. * * 2) For each subtitle track, check if the current packet's * dts is past the duration of the last subtitle sample. If * so, we now need to write an end sample for that subtitle. * * This must be done conditionally to allow for subtitles that * immediately replace each other, in which case an end sample * is not needed, and is, in fact, actively harmful. * * 3) See mov_write_trailer for how the final end sample is * handled. */ for (i = 0; i < mov->nb_streams; i++) { MOVTrack *trk = &mov->tracks[i]; int ret; if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT && trk->track_duration < pkt->dts && (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) { ret = mov_write_subtitle_end_packet(s, i, trk->track_duration); if (ret < 0) return ret; trk->last_sample_is_subtitle_end = 1; } } return mov_write_single_packet(s, pkt); } } // QuickTime chapters involve an additional text track with the chapter names // as samples, and a tref pointing from the other tracks to the chapter one. static void mov_create_chapter_track(AVFormatContext *s, int tracknum) { AVIOContext *pb; MOVMuxContext *mov = s->priv_data; MOVTrack *track = &mov->tracks[tracknum]; AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; int i, len; track->mode = mov->mode; track->tag = MKTAG('t','e','x','t'); track->timescale = MOV_TIMESCALE; track->enc = avcodec_alloc_context3(NULL); track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; if (avio_open_dyn_buf(&pb) >= 0) { int size; uint8_t *buf; /* Stub header (usually for Quicktime chapter track) */ // TextSampleEntry avio_wb32(pb, 0x01); // displayFlags avio_w8(pb, 0x00); // horizontal justification avio_w8(pb, 0x00); // vertical justification avio_w8(pb, 0x00); // bgColourRed avio_w8(pb, 0x00); // bgColourGreen avio_w8(pb, 0x00); // bgColourBlue avio_w8(pb, 0x00); // bgColourAlpha // BoxRecord avio_wb16(pb, 0x00); // defTextBoxTop avio_wb16(pb, 0x00); // defTextBoxLeft avio_wb16(pb, 0x00); // defTextBoxBottom avio_wb16(pb, 0x00); // defTextBoxRight // StyleRecord avio_wb16(pb, 0x00); // startChar avio_wb16(pb, 0x00); // endChar avio_wb16(pb, 0x01); // fontID avio_w8(pb, 0x00); // fontStyleFlags avio_w8(pb, 0x00); // fontSize avio_w8(pb, 0x00); // fgColourRed avio_w8(pb, 0x00); // fgColourGreen avio_w8(pb, 0x00); // fgColourBlue avio_w8(pb, 0x00); // fgColourAlpha // FontTableBox avio_wb32(pb, 0x0D); // box size ffio_wfourcc(pb, "ftab"); // box atom name avio_wb16(pb, 0x01); // entry count // FontRecord avio_wb16(pb, 0x01); // font ID avio_w8(pb, 0x00); // font name length if ((size = avio_close_dyn_buf(pb, &buf)) > 0) { track->enc->extradata = buf; track->enc->extradata_size = size; } else { av_free(&buf); } } for (i = 0; i < s->nb_chapters; i++) { AVChapter *c = s->chapters[i]; AVDictionaryEntry *t; int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE}); pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE}); pkt.duration = end - pkt.dts; if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { len = strlen(t->value); pkt.size = len+2; pkt.data = av_malloc(pkt.size); AV_WB16(pkt.data, len); memcpy(pkt.data+2, t->value, len); ff_mov_write_packet(s, &pkt); av_freep(&pkt.data); } } } static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr) { int ret; MOVMuxContext *mov = s->priv_data; MOVTrack *track = &mov->tracks[index]; AVStream *src_st = s->streams[src_index]; AVTimecode tc; AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4}; AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num}; /* if the codec time base makes no sense, try to fallback on stream frame rate */ if (av_timecode_check_frame_rate(rate) < 0) { av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n", rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den); rate = src_st->avg_frame_rate; } /* compute the frame number */ ret = av_timecode_init_from_string(&tc, rate, tcstr, s); if (ret < 0) return ret; /* tmcd track based on video stream */ track->mode = mov->mode; track->tag = MKTAG('t','m','c','d'); track->src_track = src_index; track->timescale = mov->tracks[src_index].timescale; if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME) track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME; /* encode context: tmcd data stream */ track->enc = avcodec_alloc_context3(NULL); track->enc->codec_type = AVMEDIA_TYPE_DATA; track->enc->codec_tag = track->tag; track->enc->time_base = src_st->codec->time_base; /* the tmcd track just contains one packet with the frame number */ pkt.data = av_malloc(pkt.size); AV_WB32(pkt.data, tc.start); ret = ff_mov_write_packet(s, &pkt); av_free(pkt.data); return ret; } static int mov_write_header(AVFormatContext *s) { AVIOContext *pb = s->pb; MOVMuxContext *mov = s->priv_data; AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0); int i, hint_track = 0, tmcd_track = 0; /* Set the FRAGMENT flag if any of the fragmentation methods are * enabled. */ if (mov->max_fragment_duration || mov->max_fragment_size || mov->flags & (FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_FRAG_KEYFRAME | FF_MOV_FLAG_FRAG_CUSTOM)) mov->flags |= FF_MOV_FLAG_FRAGMENT; /* faststart: moov at the beginning of the file, if supported */ if (mov->flags & FF_MOV_FLAG_FASTSTART) { if (mov->flags & FF_MOV_FLAG_FRAGMENT) mov->flags &= ~FF_MOV_FLAG_FASTSTART; else mov->reserved_moov_size = -1; } if (!supports_edts(mov) && s->avoid_negative_ts < 0) { s->avoid_negative_ts = 1; } /* Non-seekable output is ok if using fragmentation. If ism_lookahead * is enabled, we don't support non-seekable output at all. */ if (!s->pb->seekable && ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) && !(s->oformat && !strcmp(s->oformat->name, "ismv"))) || mov->ism_lookahead)) { av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); return -1; } /* Default mode == MP4 */ mov->mode = MODE_MP4; if (s->oformat != NULL) { if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM; else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V; mov_write_ftyp_tag(pb,s); if (mov->mode == MODE_PSP) { if (s->nb_streams != 2) { av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n"); return -1; } mov_write_uuidprof_tag(pb,s); } } mov->nb_streams = s->nb_streams; if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters) mov->chapter_track = mov->nb_streams++; if (mov->flags & FF_MOV_FLAG_RTP_HINT) { /* Add hint tracks for each audio and video stream */ hint_track = mov->nb_streams; for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { mov->nb_streams++; } } } if (mov->mode == MODE_MOV) { tmcd_track = mov->nb_streams; /* +1 tmcd track for each video stream with a timecode */ for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0))) mov->nb_meta_tmcd++; } /* check if there is already a tmcd track to remux */ if (mov->nb_meta_tmcd) { for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_tag == MKTAG('t','m','c','d')) { av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track " "so timecode metadata are now ignored\n"); mov->nb_meta_tmcd = 0; } } } mov->nb_streams += mov->nb_meta_tmcd; } mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks)); if (!mov->tracks) return AVERROR(ENOMEM); for(i=0; inb_streams; i++){ AVStream *st= s->streams[i]; MOVTrack *track= &mov->tracks[i]; AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0); track->enc = st->codec; track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); if (track->language < 0) track->language = 0; track->mode = mov->mode; track->tag = mov_find_codec_tag(s, track); if (!track->tag) { av_log(s, AV_LOG_ERROR, "track %d: could not find tag, " "codec not currently supported in container\n", i); goto error; } /* If hinting of this track is enabled by a later hint track, * this is updated. */ track->hint_track = -1; track->start_dts = AV_NOPTS_VALUE; if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){ if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); goto error; } track->height = track->tag>>24 == 'n' ? 486 : 576; } track->timescale = st->codec->time_base.den; while(track->timescale < 10000) track->timescale *= 2; if (track->mode == MODE_MOV && track->timescale > 100000) av_log(s, AV_LOG_WARNING, "WARNING codec timebase is very high. If duration is too long,\n" "file may not be playable by quicktime. Specify a shorter timebase\n" "or choose different container.\n"); }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){ track->timescale = st->codec->sample_rate; if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i); track->audio_vbr = 1; }else if(st->codec->codec_id == AV_CODEC_ID_ADPCM_MS || st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || st->codec->codec_id == AV_CODEC_ID_ILBC){ if (!st->codec->block_align) { av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i); goto error; } track->sample_size = st->codec->block_align; }else if(st->codec->frame_size > 1){ /* assume compressed audio */ track->audio_vbr = 1; }else{ track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; } if (track->mode != MODE_MOV && track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) { av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n", i, track->enc->sample_rate); goto error; } }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){ track->timescale = st->codec->time_base.den; }else{ track->timescale = MOV_TIMESCALE; } if (!track->height) track->height = st->codec->height; /* The ism specific timescale isn't mandatory, but is assumed by * some tools, such as mp4split. */ if (mov->mode == MODE_ISM) track->timescale = 10000000; avpriv_set_pts_info(st, 64, 1, track->timescale); /* copy extradata if it exists */ if (st->codec->extradata_size) { track->vos_len = st->codec->extradata_size; track->vos_data = av_malloc(track->vos_len); memcpy(track->vos_data, st->codec->extradata, track->vos_len); } } if (mov->mode == MODE_ISM) { /* If no fragmentation options have been set, set a default. */ if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME | FF_MOV_FLAG_FRAG_CUSTOM)) && !mov->max_fragment_duration && !mov->max_fragment_size) mov->max_fragment_duration = 5000000; mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF | FF_MOV_FLAG_FRAGMENT; } if(mov->reserved_moov_size){ mov->reserved_moov_pos= avio_tell(pb); if (mov->reserved_moov_size > 0) avio_skip(pb, mov->reserved_moov_size); } if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) mov_write_mdat_tag(pb, mov); if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) mov->time = ff_iso8601_to_unix_time(t->value); if (mov->time) mov->time += 0x7C25B080; // 1970 based -> 1904 based if (mov->chapter_track) mov_create_chapter_track(s, mov->chapter_track); if (mov->flags & FF_MOV_FLAG_RTP_HINT) { /* Initialize the hint tracks for each audio and video stream */ for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { ff_mov_init_hinting(s, hint_track, i); hint_track++; } } } if (mov->nb_meta_tmcd) { /* Initialize the tmcd tracks */ for (i = 0; i < s->nb_streams; i++) { AVStream *st = s->streams[i]; t = global_tcr; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (!t) t = av_dict_get(st->metadata, "timecode", NULL, 0); if (!t) continue; if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0) goto error; tmcd_track++; } } } avio_flush(pb); if (mov->flags & FF_MOV_FLAG_ISML) mov_write_isml_manifest(pb, mov); if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) { mov_write_moov_tag(pb, mov, s); mov->fragments++; } return 0; error: av_freep(&mov->tracks); return -1; } /** * This function gets the moov size if moved to the top of the file: the chunk * offset table can switch between stco (32-bit entries) to co64 (64-bit * entries) when the moov is moved to the top, so the size of the moov would * change. It also updates the chunk offset tables. */ static int compute_moov_size(AVFormatContext *s) { int i, moov_size, moov_size2; MOVMuxContext *mov = s->priv_data; moov_size = get_moov_size(s); if (moov_size < 0) return moov_size; for (i = 0; i < mov->nb_streams; i++) mov->tracks[i].data_offset += moov_size; moov_size2 = get_moov_size(s); if (moov_size2 < 0) return moov_size2; /* if the size changed, we just switched from stco to co64 and needs to * update the offsets */ if (moov_size2 != moov_size) for (i = 0; i < mov->nb_streams; i++) mov->tracks[i].data_offset += moov_size2 - moov_size; return moov_size2; } static int shift_data(AVFormatContext *s) { int ret = 0, moov_size; MOVMuxContext *mov = s->priv_data; int64_t pos, pos_end = avio_tell(s->pb); uint8_t *buf, *read_buf[2]; int read_buf_id = 0; int read_size[2]; AVIOContext *read_pb; moov_size = compute_moov_size(s); if (moov_size < 0) return moov_size; buf = av_malloc(moov_size * 2); if (!buf) return AVERROR(ENOMEM); read_buf[0] = buf; read_buf[1] = buf + moov_size; /* Shift the data: the AVIO context of the output can only be used for * writing, so we re-open the same output, but for reading. It also avoids * a read/seek/write/seek back and forth. */ avio_flush(s->pb); ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ); if (ret < 0) { av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for " "the second pass (faststart)\n", s->filename); goto end; } /* mark the end of the shift to up to the last data we wrote, and get ready * for writing */ pos_end = avio_tell(s->pb); avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET); /* start reading at where the new moov will be placed */ avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET); pos = avio_tell(read_pb); #define READ_BLOCK do { \ read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \ read_buf_id ^= 1; \ } while (0) /* shift data by chunk of at most moov_size */ READ_BLOCK; do { int n; READ_BLOCK; n = read_size[read_buf_id]; if (n <= 0) break; avio_write(s->pb, read_buf[read_buf_id], n); pos += n; } while (pos < pos_end); avio_close(read_pb); end: av_free(buf); return ret; } static int mov_write_trailer(AVFormatContext *s) { MOVMuxContext *mov = s->priv_data; AVIOContext *pb = s->pb; int64_t moov_pos; int res = 0; int i; /* * Before actually writing the trailer, make sure that there are no * dangling subtitles, that need a terminating sample. */ for (i = 0; i < mov->nb_streams; i++) { MOVTrack *trk = &mov->tracks[i]; if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT && !trk->last_sample_is_subtitle_end) { mov_write_subtitle_end_packet(s, i, trk->track_duration); trk->last_sample_is_subtitle_end = 1; } } moov_pos = avio_tell(pb); if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) { /* Write size of mdat tag */ if (mov->mdat_size + 8 <= UINT32_MAX) { avio_seek(pb, mov->mdat_pos, SEEK_SET); avio_wb32(pb, mov->mdat_size + 8); } else { /* overwrite 'wide' placeholder atom */ avio_seek(pb, mov->mdat_pos - 8, SEEK_SET); /* special value: real atom size will be 64 bit value after * tag field */ avio_wb32(pb, 1); ffio_wfourcc(pb, "mdat"); avio_wb64(pb, mov->mdat_size + 16); } avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET); if (mov->reserved_moov_size == -1) { av_log(s, AV_LOG_INFO, "Starting second pass: moving header on top of the file\n"); res = shift_data(s); if (res == 0) { avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET); mov_write_moov_tag(pb, mov, s); } } else if (mov->reserved_moov_size > 0) { int64_t size; mov_write_moov_tag(pb, mov, s); size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos); if(size < 8){ av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size); return -1; } avio_wb32(pb, size); ffio_wfourcc(pb, "free"); for(i=0; ichapter_track) av_freep(&mov->tracks[mov->chapter_track].enc); for (i=0; inb_streams; i++) { if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) ff_mov_close_hinting(&mov->tracks[i]); else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) av_freep(&mov->tracks[i].enc); if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) { int64_t off = avio_tell(pb); uint8_t buf[7]; if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) { avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET); avio_write(pb, buf, 7); avio_seek(pb, off, SEEK_SET); } } av_freep(&mov->tracks[i].cluster); av_freep(&mov->tracks[i].frag_info); if (mov->tracks[i].vos_len) av_free(mov->tracks[i].vos_data); } av_freep(&mov->tracks); return res; } #if CONFIG_MOV_MUXER MOV_CLASS(mov) AVOutputFormat ff_mov_muxer = { .name = "mov", .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"), .extensions = "mov", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AAC, .video_codec = CONFIG_LIBX264_ENCODER ? AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0 }, .priv_class = &mov_muxer_class, }; #endif #if CONFIG_TGP_MUXER MOV_CLASS(tgp) AVOutputFormat ff_tgp_muxer = { .name = "3gp", .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"), .extensions = "3gp", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AMR_NB, .video_codec = AV_CODEC_ID_H263, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 }, .priv_class = &tgp_muxer_class, }; #endif #if CONFIG_MP4_MUXER MOV_CLASS(mp4) AVOutputFormat ff_mp4_muxer = { .name = "mp4", .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"), .mime_type = "application/mp4", .extensions = "mp4", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AAC, .video_codec = CONFIG_LIBX264_ENCODER ? AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, .priv_class = &mp4_muxer_class, }; #endif #if CONFIG_PSP_MUXER MOV_CLASS(psp) AVOutputFormat ff_psp_muxer = { .name = "psp", .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"), .extensions = "mp4,psp", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AAC, .video_codec = CONFIG_LIBX264_ENCODER ? AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, .priv_class = &psp_muxer_class, }; #endif #if CONFIG_TG2_MUXER MOV_CLASS(tg2) AVOutputFormat ff_tg2_muxer = { .name = "3g2", .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"), .extensions = "3g2", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AMR_NB, .video_codec = AV_CODEC_ID_H263, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 }, .priv_class = &tg2_muxer_class, }; #endif #if CONFIG_IPOD_MUXER MOV_CLASS(ipod) AVOutputFormat ff_ipod_muxer = { .name = "ipod", .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"), .mime_type = "application/mp4", .extensions = "m4v,m4a", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AAC, .video_codec = AV_CODEC_ID_H264, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 }, .priv_class = &ipod_muxer_class, }; #endif #if CONFIG_ISMV_MUXER MOV_CLASS(ismv) AVOutputFormat ff_ismv_muxer = { .name = "ismv", .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"), .mime_type = "application/mp4", .extensions = "ismv,isma", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AAC, .video_codec = AV_CODEC_ID_H264, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, .priv_class = &ismv_muxer_class, }; #endif #if CONFIG_F4V_MUXER MOV_CLASS(f4v) AVOutputFormat ff_f4v_muxer = { .name = "f4v", .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"), .mime_type = "application/f4v", .extensions = "f4v", .priv_data_size = sizeof(MOVMuxContext), .audio_codec = AV_CODEC_ID_AAC, .video_codec = AV_CODEC_ID_H264, .write_header = mov_write_header, .write_packet = mov_write_packet, .write_trailer = mov_write_trailer, .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 }, .priv_class = &f4v_muxer_class, }; #endif