/* * MOV, 3GP, MP4 muxer * Copyright (c) 2003 Thomas Raivio * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> * * 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 "internal.h" #include "libavutil/avstring.h" #undef NDEBUG #include <assert.h> //FIXME support 64 bit variant with wide placeholders static int64_t updateSize(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; } /* Chunk offset atom */ static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track) { int i; int mode64 = 0; // use 32 bit size variant if possible int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ if (pos > UINT32_MAX) { mode64 = 1; ffio_wfourcc(pb, "co64"); } else ffio_wfourcc(pb, "stco"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, track->entry); /* entry count */ for (i=0; i<track->entry; i++) { if(mode64 == 1) avio_wb64(pb, track->cluster[i].pos); else avio_wb32(pb, track->cluster[i].pos); } return updateSize(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; i<track->entry; 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) { int sSize = track->cluster[0].size/track->cluster[0].entries; 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; i<track->entry; i++) { for (j=0; j<track->cluster[i].entries; j++) { avio_wb32(pb, track->cluster[i].size / track->cluster[i].entries); } } } return updateSize(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->entry); // entry count for (i=0; i<track->entry; i++) { if(oldval != track->cluster[i].samplesInChunk) { avio_wb32(pb, i+1); // first chunk avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk avio_wb32(pb, 0x1); // sample description index oldval = track->cluster[i].samplesInChunk; index++; } } curpos = avio_tell(pb); avio_seek(pb, entryPos, SEEK_SET); avio_wb32(pb, index); // rewrite size avio_seek(pb, curpos, SEEK_SET); return updateSize(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; i<track->entry; 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 updateSize(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->vosLen < 7) return -1; avio_wb32(pb, 11); ffio_wfourcc(pb, "dac3"); init_get_bits(&gbc, track->vosData+4, track->vosLen-4); 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 formated 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 void putDescr(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 int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic { int64_t pos = avio_tell(pb); int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0; avio_wb32(pb, 0); // size ffio_wfourcc(pb, "esds"); avio_wb32(pb, 0); // Version // ES descriptor putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1); avio_wb16(pb, track->trackID); avio_w8(pb, 0x00); // flags (= no flags) // DecoderConfig descriptor putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); // Object type indication if ((track->enc->codec_id == CODEC_ID_MP2 || track->enc->codec_id == 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 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window) if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0) avio_wb32(pb, 0); // vbr else avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate if (track->vosLen) { // DecoderSpecific info descriptor putDescr(pb, 0x05, track->vosLen); avio_write(pb, track->vosData, track->vosLen); } // SL descriptor putDescr(pb, 0x06, 1); avio_w8(pb, 0x02); return updateSize(pb, pos); } static int mov_pcm_le_gt16(enum CodecID codec_id) { return codec_id == CODEC_ID_PCM_S24LE || codec_id == CODEC_ID_PCM_S32LE || codec_id == CODEC_ID_PCM_F32LE || codec_id == CODEC_ID_PCM_F64LE; } 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 updateSize(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"); avio_wb32(pb, 12); /* size */ ffio_wfourcc(pb, "frma"); avio_wl32(pb, track->tag); if (track->enc->codec_id == 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 (track->enc->codec_id == CODEC_ID_AMR_NB) { mov_write_amr_tag(pb, track); } else if (track->enc->codec_id == CODEC_ID_AC3) { mov_write_ac3_tag(pb, track); } else if (track->enc->codec_id == CODEC_ID_ALAC) { mov_write_extradata_tag(pb, track); } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS || track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { mov_write_ms_tag(pb, track); } avio_wb32(pb, 8); /* size */ avio_wb32(pb, 0); /* null tag */ return updateSize(pb, pos); } static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track) { avio_wb32(pb, track->vosLen+8); ffio_wfourcc(pb, "glbl"); avio_write(pb, track->vosData, track->vosLen); return 8+track->vosLen; } /** * Compute flags for 'lpcm' tag. * See CoreAudioTypes and AudioStreamBasicDescription at Apple. */ static int mov_get_lpcm_flags(enum CodecID codec_id) { switch (codec_id) { case CODEC_ID_PCM_F32BE: case CODEC_ID_PCM_F64BE: return 11; case CODEC_ID_PCM_F32LE: case CODEC_ID_PCM_F64LE: return 9; case CODEC_ID_PCM_U8: return 10; case CODEC_ID_PCM_S16BE: case CODEC_ID_PCM_S24BE: case CODEC_ID_PCM_S32BE: return 14; case CODEC_ID_PCM_S8: case CODEC_ID_PCM_S16LE: case CODEC_ID_PCM_S24LE: case CODEC_ID_PCM_S32LE: return 12; default: return 0; } } 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) || track->enc->codec_id == CODEC_ID_ADPCM_MS || track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { 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_dbl2int(track->timescale)); 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->sampleSize); avio_wb32(pb, track->enc->frame_size); } else { if (track->mode == MODE_MOV) { avio_wb16(pb, track->enc->channels); if (track->enc->codec_id == CODEC_ID_PCM_U8 || track->enc->codec_id == 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->timescale); /* Time scale */ avio_wb16(pb, 0); /* Reserved */ } if(version == 1) { /* SoundDescription V1 extended info */ avio_wb32(pb, track->enc->frame_size); /* Samples per packet */ avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */ avio_wb32(pb, track->sampleSize); /* Bytes per frame */ avio_wb32(pb, 2); /* Bytes per sample */ } if(track->mode == MODE_MOV && (track->enc->codec_id == CODEC_ID_AAC || track->enc->codec_id == CODEC_ID_AC3 || track->enc->codec_id == CODEC_ID_AMR_NB || track->enc->codec_id == CODEC_ID_ALAC || track->enc->codec_id == CODEC_ID_ADPCM_MS || track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV || mov_pcm_le_gt16(track->enc->codec_id))) 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 == CODEC_ID_AMR_NB) mov_write_amr_tag(pb, track); else if(track->enc->codec_id == CODEC_ID_AC3) mov_write_ac3_tag(pb, track); else if(track->enc->codec_id == CODEC_ID_ALAC) mov_write_extradata_tag(pb, track); else if(track->vosLen > 0) mov_write_glbl_tag(pb, track); return updateSize(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; } /* TODO: No idea about these values */ static int mov_write_svq3_tag(AVIOContext *pb) { avio_wb32(pb, 0x15); ffio_wfourcc(pb, "SMI "); ffio_wfourcc(pb, "SEQH"); avio_wb32(pb, 0x5); avio_wb32(pb, 0xe2c0211d); avio_wb32(pb, 0xc0000000); avio_w8(pb, 0); return 0x15; } 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->vosData, track->vosLen); return updateSize(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->vosData + 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->vosData[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 == CODEC_ID_H264) tag = MKTAG('a','v','c','1'); else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); 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[] = { { CODEC_ID_H264, MKTAG('a','v','c','1') }, { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, { CODEC_ID_AAC, MKTAG('m','p','4','a') }, { CODEC_ID_ALAC, MKTAG('a','l','a','c') }, { CODEC_ID_AC3, MKTAG('a','c','-','3') }, { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, { 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 == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); else tag = MKTAG('d','v','c',' '); else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); else if (track->enc->pix_fmt == 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 PixelFormat pix_fmt; uint32_t tag; unsigned bps; } mov_pix_fmt_tags[] = { { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 }, { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 }, { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 }, { 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; 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 == CODEC_ID_DVVIDEO || track->enc->codec_id == CODEC_ID_RAWVIDEO || track->enc->codec_id == CODEC_ID_H263 || av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio if (track->enc->codec_id == CODEC_ID_DVVIDEO) tag = mov_get_dv_codec_tag(s, track); else if (track->enc->codec_id == 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(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_INFO, "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(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_INFO, "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[] = { { CODEC_ID_H263, MKTAG('s','2','6','3') }, { CODEC_ID_H264, MKTAG('a','v','c','1') }, { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, { CODEC_ID_AAC, MKTAG('m','p','4','a') }, { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, { CODEC_ID_NONE, 0 }, }; static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) { int tag = track->enc->codec_tag; if (track->mode == MODE_MP4 || track->mode == MODE_PSP) tag = mp4_get_codec_tag(s, track); 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 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 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 updateSize(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]; 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 == 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) */ memset(compressor_name,0,32); /* 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) strncpy(compressor_name,track->enc->codec->name,31); 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 == CODEC_ID_H263) mov_write_d263_tag(pb); else if(track->enc->codec_id == CODEC_ID_SVQ3) mov_write_svq3_tag(pb); else if(track->enc->codec_id == CODEC_ID_DNXHD) mov_write_avid_tag(pb, track); else if(track->enc->codec_id == CODEC_ID_H264) { mov_write_avcc_tag(pb, track); if(track->mode == MODE_IPOD) mov_write_uuid_tag_ipod(pb); } else if(track->vosLen > 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 updateSize(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 updateSize(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); return updateSize(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; i<track->entry; 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; i<entries; i++) { avio_wb32(pb, ctts_entries[i].count); avio_wb32(pb, ctts_entries[i].duration); } av_free(ctts_entries); return atom_size; } /* Time to sample atom */ static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track) { MOVStts *stts_entries; uint32_t entries = -1; uint32_t atom_size; int i; if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) { stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ stts_entries[0].count = track->sampleCount; stts_entries[0].duration = 1; entries = 1; } else { stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */ for (i=0; i<track->entry; i++) { int64_t duration = i + 1 == track->entry ? track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */ track->cluster[i+1].dts - track->cluster[i].dts; 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; i<entries; i++) { avio_wb32(pb, stts_entries[i].count); avio_wb32(pb, stts_entries[i].duration); } av_free(stts_entries); return atom_size; } static int mov_write_dref_tag(AVIOContext *pb) { avio_wb32(pb, 28); /* size */ ffio_wfourcc(pb, "dref"); avio_wb32(pb, 0); /* version & flags */ avio_wb32(pb, 1); /* entry count */ avio_wb32(pb, 0xc); /* size */ ffio_wfourcc(pb, "url "); avio_wb32(pb, 1); /* version & flags */ return 28; } static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track) { int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "stbl"); mov_write_stsd_tag(pb, track); mov_write_stts_tag(pb, track); if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO || track->enc->codec_tag == MKTAG('r','t','p',' ')) && track->hasKeyframes && track->hasKeyframes < 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 updateSize(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 updateSize(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_gmhd_tag(AVIOContext *pb) { avio_wb32(pb, 0x20); /* 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 */ return 0x20; } 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('t','x','3','g')) hdlr_type = "sbtl"; else hdlr_type = "text"; descr = "SubtitleHandler"; } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { hdlr_type = "hint"; descr = "HintHandler"; } } 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 updateSize(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')) mov_write_gmhd_tag(pb); else mov_write_nmhd_tag(pb); } 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 updateSize(pb, pos); } static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track) { int version = track->trackDuration < INT32_MAX ? 0 : 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) */ (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* 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 updateSize(pb, pos); } static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) { int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, track->timescale, AV_ROUND_UP); int version = duration < INT32_MAX ? 0 : 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->trackID); /* track-id */ avio_wb32(pb, 0); /* reserved */ (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); avio_wb32(pb, 0); /* reserved */ avio_wb32(pb, 0); /* reserved */ avio_wb32(pb, 0x0); /* reserved (Layer & 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 */ avio_wb32(pb, 0x00010000); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x00010000); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x40000000); /* reserved */ /* 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, "enof"); avio_wb32(pb, 0); avio_wb32(pb, track->enc->width << 16); avio_wb32(pb, track->enc->height << 16); return updateSize(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) { avio_wb32(pb, 0x24); /* size */ ffio_wfourcc(pb, "edts"); avio_wb32(pb, 0x1c); /* size */ ffio_wfourcc(pb, "elst"); avio_wb32(pb, 0x0); avio_wb32(pb, 0x1); /* duration ... doesn't seem to effect psp */ avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, track->timescale, AV_ROUND_UP)); avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */ avio_wb32(pb, 0x00010000); return 0x24; } 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, AVCodecContext *ctx, int index) { char buf[1000] = ""; int len; ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0); av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index); 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, 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 (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS) mov_write_edts_tag(pb, track); // PSP Movies 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->rtp_ctx->streams[0]->codec, track->trackID); if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) { double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio) mov_write_tapt_tag(pb, track); }; return updateSize(pb, pos); } #if 0 /* TODO: Not sorted out, but not necessary either */ static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov) { avio_wb32(pb, 0x15); /* size */ ffio_wfourcc(pb, "iods"); avio_wb32(pb, 0); /* version & flags */ avio_wb16(pb, 0x1007); avio_w8(pb, 0); avio_wb16(pb, 0x4fff); avio_wb16(pb, 0xfffe); avio_wb16(pb, 0x01ff); return 0x15; } #endif static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov) { int maxTrackID = 1, i; int64_t maxTrackLenTemp, maxTrackLen = 0; int version; for (i=0; i<mov->nb_streams; i++) { if(mov->tracks[i].entry > 0) { maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, MOV_TIMESCALE, mov->tracks[i].timescale, AV_ROUND_UP); if(maxTrackLen < maxTrackLenTemp) maxTrackLen = maxTrackLenTemp; if(maxTrackID < mov->tracks[i].trackID) maxTrackID = mov->tracks[i].trackID; } } version = maxTrackLen < 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, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* 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 */ avio_wb32(pb, 0x00010000); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x00010000); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x0); /* reserved */ avio_wb32(pb, 0x40000000); /* reserved */ 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, maxTrackID+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= updateSize(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; AVMetadataTag *t, *t2 = NULL; char tag2[16]; if (!(t = av_metadata_get(s->metadata, tag, NULL, 0))) return 0; len = strlen(t->key); snprintf(tag2, sizeof(tag2), "%s-", tag); while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_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 track number */ static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { AVMetadataTag *t = av_metadata_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; } /* 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_trkn_tag(pb, mov, s); return updateSize(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 = updateSize(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); AVMetadataTag *t = av_metadata_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_metadata_get(s->metadata, "track", NULL, 0))) avio_w8(pb, atoi(t->value)); } return updateSize(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]; AVMetadataTag *t; avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); if ((t = av_metadata_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 updateSize(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); mov_write_string_metadata(s, pb_buf, "\251des", "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) { AVMetadataTag *title = av_metadata_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); // snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec); mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); updateSize(pb, pos2); return updateSize(pb, pos); } return 0; } 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; i<mov->nb_streams; i++) { if(mov->tracks[i].entry <= 0) continue; mov->tracks[i].time = mov->time; mov->tracks[i].trackID = i+1; } if (mov->chapter_track) for (i=0; i<s->nb_streams; i++) { mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID; } 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].trackID; } } mov_write_mvhd_tag(pb, mov); //mov_write_iods_tag(pb, mov); for (i=0; i<mov->nb_streams; i++) { if(mov->tracks[i].entry > 0) { mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); } } if (mov->mode == MODE_PSP) mov_write_uuidusmt_tag(pb, s); else mov_write_udta_tag(pb, mov, s); return updateSize(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 == 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 ffio_wfourcc(pb, "qt "); avio_wb32(pb, minor); if(mov->mode == MODE_MOV) ffio_wfourcc(pb, "qt "); 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 updateSize(pb, pos); } static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s) { AVCodecContext *VideoCodec = s->streams[0]->codec; AVCodecContext *AudioCodec = s->streams[1]->codec; int AudioRate = AudioCodec->sample_rate; int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); int audio_kbitrate= AudioCodec->bit_rate / 1000; int video_kbitrate= FFMIN(VideoCodec->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, AudioRate); avio_wb32(pb, AudioCodec->channels); avio_wb32(pb, 0x34); /* size */ ffio_wfourcc(pb, "VPRF"); /* video */ avio_wb32(pb, 0x0); avio_wb32(pb, 0x1); /* TrackID */ if (VideoCodec->codec_id == 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, FrameRate); avio_wb32(pb, FrameRate); avio_wb16(pb, VideoCodec->width); avio_wb16(pb, VideoCodec->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; } 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 samplesInChunk = 0; int size= pkt->size; if (!s->pb->seekable) return 0; /* Can't handle that */ if (!size) return 0; /* Discard 0 sized packets */ if (enc->codec_id == 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, 0}; int len = 0; while (len < size && samplesInChunk < 100) { len += packed_size[(pkt->data[len] >> 3) & 0x0F]; samplesInChunk++; } if(samplesInChunk > 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 == CODEC_ID_ADPCM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { samplesInChunk = enc->frame_size; } else if (trk->sampleSize) samplesInChunk = size/trk->sampleSize; else samplesInChunk = 1; /* copy extradata if it exists */ if (trk->vosLen == 0 && enc->extradata_size > 0) { trk->vosLen = enc->extradata_size; trk->vosData = av_malloc(trk->vosLen); memcpy(trk->vosData, enc->extradata, trk->vosLen); } if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { /* from x264 or from bytestream h264 */ /* nal reformating needed */ size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); } else { avio_write(pb, pkt->data, size); } if ((enc->codec_id == CODEC_ID_DNXHD || enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) { /* copy frame to create needed atoms */ trk->vosLen = size; trk->vosData = av_malloc(size); if (!trk->vosData) return AVERROR(ENOMEM); memcpy(trk->vosData, pkt->data, size); } if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) { trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster)); if (!trk->cluster) return -1; } trk->cluster[trk->entry].pos = avio_tell(pb) - size; trk->cluster[trk->entry].samplesInChunk = samplesInChunk; trk->cluster[trk->entry].size = size; trk->cluster[trk->entry].entries = samplesInChunk; trk->cluster[trk->entry].dts = pkt->dts; trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration; 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 (pkt->flags & AV_PKT_FLAG_KEY) { if (mov->mode == MODE_MOV && enc->codec_id == 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->hasKeyframes++; } trk->entry++; trk->sampleCount += samplesInChunk; 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); return 0; } // 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) { 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_context(); track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; for (i = 0; i < s->nb_chapters; i++) { AVChapter *c = s->chapters[i]; AVMetadataTag *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_metadata_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_write_header(AVFormatContext *s) { AVIOContext *pb = s->pb; MOVMuxContext *mov = s->priv_data; int i, hint_track = 0; if (!s->pb->seekable) { 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; 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 (s->flags & AVFMT_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++; } } } mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks)); if (!mov->tracks) return AVERROR(ENOMEM); for(i=0; i<s->nb_streams; i++){ AVStream *st= s->streams[i]; MOVTrack *track= &mov->tracks[i]; AVMetadataTag *lang = av_metadata_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; 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; 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_ERROR, "track %d: codec frame size is not set\n", i); goto error; }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS || st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){ 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->sampleSize = st->codec->block_align; }else if(st->codec->frame_size > 1){ /* assume compressed audio */ track->audio_vbr = 1; }else{ st->codec->frame_size = 1; track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; } if (track->mode != MODE_MOV) { if (track->timescale > UINT16_MAX) { av_log(s, AV_LOG_ERROR, "track %d: output format does not support " "sample rate %dhz\n", i, track->timescale); goto error; } if (track->enc->codec_id == 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; } if (!track->height) track->height = st->codec->height; av_set_pts_info(st, 64, 1, track->timescale); } mov_write_mdat_tag(pb, mov); mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based if (mov->chapter_track) mov_create_chapter_track(s, mov->chapter_track); if (s->flags & AVFMT_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++; } } } avio_flush(pb); return 0; error: av_freep(&mov->tracks); return -1; } static int mov_write_trailer(AVFormatContext *s) { MOVMuxContext *mov = s->priv_data; AVIOContext *pb = s->pb; int res = 0; int i; int64_t moov_pos = avio_tell(pb); /* 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); avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ ffio_wfourcc(pb, "mdat"); avio_wb64(pb, mov->mdat_size+16); } avio_seek(pb, moov_pos, SEEK_SET); mov_write_moov_tag(pb, mov, s); if (mov->chapter_track) av_freep(&mov->tracks[mov->chapter_track].enc); for (i=0; i<mov->nb_streams; i++) { if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) ff_mov_close_hinting(&mov->tracks[i]); av_freep(&mov->tracks[i].cluster); if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData); } avio_flush(pb); av_freep(&mov->tracks); return res; } #if CONFIG_MOV_MUXER AVOutputFormat ff_mov_muxer = { "mov", NULL_IF_CONFIG_SMALL("MOV format"), NULL, "mov", sizeof(MOVMuxContext), CODEC_ID_AAC, CODEC_ID_MPEG4, mov_write_header, ff_mov_write_packet, mov_write_trailer, .flags = AVFMT_GLOBALHEADER, .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0}, }; #endif #if CONFIG_TGP_MUXER AVOutputFormat ff_tgp_muxer = { "3gp", NULL_IF_CONFIG_SMALL("3GP format"), NULL, "3gp", sizeof(MOVMuxContext), CODEC_ID_AMR_NB, CODEC_ID_H263, mov_write_header, ff_mov_write_packet, mov_write_trailer, .flags = AVFMT_GLOBALHEADER, .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, }; #endif #if CONFIG_MP4_MUXER AVOutputFormat ff_mp4_muxer = { "mp4", NULL_IF_CONFIG_SMALL("MP4 format"), "application/mp4", "mp4", sizeof(MOVMuxContext), CODEC_ID_AAC, CODEC_ID_MPEG4, mov_write_header, ff_mov_write_packet, mov_write_trailer, .flags = AVFMT_GLOBALHEADER, .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, }; #endif #if CONFIG_PSP_MUXER AVOutputFormat ff_psp_muxer = { "psp", NULL_IF_CONFIG_SMALL("PSP MP4 format"), NULL, "mp4,psp", sizeof(MOVMuxContext), CODEC_ID_AAC, CODEC_ID_MPEG4, mov_write_header, ff_mov_write_packet, mov_write_trailer, .flags = AVFMT_GLOBALHEADER, .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, }; #endif #if CONFIG_TG2_MUXER AVOutputFormat ff_tg2_muxer = { "3g2", NULL_IF_CONFIG_SMALL("3GP2 format"), NULL, "3g2", sizeof(MOVMuxContext), CODEC_ID_AMR_NB, CODEC_ID_H263, mov_write_header, ff_mov_write_packet, mov_write_trailer, .flags = AVFMT_GLOBALHEADER, .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, }; #endif #if CONFIG_IPOD_MUXER AVOutputFormat ff_ipod_muxer = { "ipod", NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"), "application/mp4", "m4v,m4a", sizeof(MOVMuxContext), CODEC_ID_AAC, CODEC_ID_H264, mov_write_header, ff_mov_write_packet, mov_write_trailer, .flags = AVFMT_GLOBALHEADER, .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0}, }; #endif