/* muxmkv.c Copyright (c) 2003-2013 HandBrake Team This file is part of the HandBrake source code Homepage: . It may be used under the terms of the GNU General Public License v2. For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html */ /* libmkv header */ #if defined(USE_LIBMKV) #include "libmkv.h" #include #include "hb.h" #include "lang.h" /* Scale factor to apply to timecodes to convert from HandBrake's * 1/90000s to nanoseconds as expected by libmkv */ #define NANOSECOND_SCALE 1000000000L #define TIMECODE_SCALE 1000000000L / 90000 struct hb_mux_object_s { HB_MUX_COMMON; hb_job_t * job; mk_Writer * file; int delay; }; struct hb_mux_data_s { mk_Track * track; uint64_t prev_chapter_tc; uint16_t current_chapter; int codec; int subtitle; int sub_format; }; static uint8_t * create_flac_header( uint8_t *data, int size ) { uint8_t * out; uint8_t header[8] = { 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22 }; out = malloc( size + 8 ); memcpy( out, header, 8 ); memcpy( out + 8, data, size ); return out; } static uint8_t* create_h264_header(hb_job_t *job, int *size) { /* Taken from x264's muxers.c */ int avcC_len = (5 + 1 + 2 + job->config.h264.sps_length + 1 + 2 + job->config.h264.pps_length); #define MAX_AVCC_LEN 5 + 1 + 2 + 1024 + 1 + 2 + 1024 // FIXME if (avcC_len > MAX_AVCC_LEN) { hb_log("create_h264_header: H.264 header too long (%d, max: %d)", avcC_len, MAX_AVCC_LEN); return NULL; } uint8_t *avcC = malloc(avcC_len); if (avcC == NULL) { return NULL; } avcC[0] = 1; avcC[1] = job->config.h264.sps[1]; /* AVCProfileIndication */ avcC[2] = job->config.h264.sps[2]; /* profile_compat */ avcC[3] = job->config.h264.sps[3]; /* AVCLevelIndication */ avcC[4] = 0xff; // nalu size length is four bytes avcC[5] = 0xe1; // one sps avcC[6] = job->config.h264.sps_length >> 8; avcC[7] = job->config.h264.sps_length; memcpy(avcC + 8, job->config.h264.sps, job->config.h264.sps_length); avcC[8 + job->config.h264.sps_length] = 1; // one pps avcC[9 + job->config.h264.sps_length] = job->config.h264.pps_length >> 8; avcC[10 + job->config.h264.sps_length] = job->config.h264.pps_length; memcpy(avcC + 11 + job->config.h264.sps_length, job->config.h264.pps, job->config.h264.pps_length); if (size != NULL) { *size = avcC_len; } return avcC; } /********************************************************************** * MKVInit ********************************************************************** * Allocates hb_mux_data_t structures, create file and write headers *********************************************************************/ static int MKVInit( hb_mux_object_t * m ) { hb_job_t * job = m->job; hb_audio_t * audio; hb_mux_data_t * mux_data; uint8_t *avcC = NULL; uint8_t default_track_flag = 1; uint8_t need_fonts = 0; int avcC_len, i, j; ogg_packet *ogg_headers[3]; mk_TrackConfig *track; iso639_lang_t *lang; track = calloc(1, sizeof(mk_TrackConfig)); m->file = mk_createWriter(job->file, 1000000, 1); if( !m->file ) { hb_error( "Could not create output file, Disk Full?" ); job->mux_data = NULL; *job->die = 1; free(track); return 0; } /* Video track */ mux_data = calloc(1, sizeof( hb_mux_data_t ) ); job->mux_data = mux_data; track->trackType = MK_TRACK_VIDEO; track->flagDefault = 1; track->flagEnabled = 1; switch (job->vcodec) { case HB_VCODEC_X264: case HB_VCODEC_QSV_H264: avcC = create_h264_header(job, &avcC_len); if (avcC == NULL) { free(track); return -1; } track->codecID = MK_VCODEC_MP4AVC; track->codecPrivate = avcC; track->codecPrivateSize = avcC_len; if (job->areBframes) track->minCache = 1; break; case HB_VCODEC_FFMPEG_MPEG4: track->codecID = MK_VCODEC_MP4ASP; track->codecPrivate = job->config.mpeg4.bytes; track->codecPrivateSize = job->config.mpeg4.length; if (job->areBframes) track->minCache = 1; break; case HB_VCODEC_FFMPEG_MPEG2: track->codecID = MK_VCODEC_MPEG2; track->codecPrivate = job->config.mpeg4.bytes; track->codecPrivateSize = job->config.mpeg4.length; if (job->areBframes) track->minCache = 1; break; case HB_VCODEC_THEORA: { int i; uint64_t cp_size = 0; track->codecID = MK_VCODEC_THEORA; uint64_t header_sizes[3]; for (i = 0; i < 3; ++i) { ogg_headers[i] = (ogg_packet *)job->config.theora.headers[i]; ogg_headers[i]->packet = (unsigned char *)&job->config.theora.headers[i] + sizeof( ogg_packet ); header_sizes[i] = ogg_headers[i]->bytes; } track->codecPrivate = mk_laceXiph(header_sizes, 2, &cp_size); track->codecPrivate = realloc(track->codecPrivate, cp_size + ogg_headers[0]->bytes + ogg_headers[1]->bytes + ogg_headers[2]->bytes); for(i = 0; i < 3; ++i) { memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes); cp_size += ogg_headers[i]->bytes; } track->codecPrivateSize = cp_size; } break; default: *job->die = 1; hb_error("muxmkv: Unknown video codec: %x", job->vcodec); free(track); return 0; } track->extra.video.pixelWidth = job->width; track->extra.video.pixelHeight = job->height; track->extra.video.displayHeight = job->height; if( job->anamorphic.mode ) { track->extra.video.displayWidth = job->width * ((double)job->anamorphic.par_width / (double)job->anamorphic.par_height); } else { track->extra.video.displayWidth = job->width; } int vrate_base, vrate; if( job->pass == 2 ) { hb_interjob_t * interjob = hb_interjob_get( job->h ); vrate_base = interjob->vrate_base; vrate = interjob->vrate; } else { vrate_base = job->vrate_base; vrate = job->vrate; } track->defaultDuration = (int64_t)(((float)vrate_base / (float)vrate) * 1000000000); mux_data->track = mk_createTrack(m->file, track); /* add the audio tracks */ for( i = 0; i < hb_list_count( job->list_audio ); i++ ) { audio = hb_list_item( job->list_audio, i ); mux_data = calloc(1, sizeof( hb_mux_data_t ) ); audio->priv.mux_data = mux_data; if (audio->config.out.delay > m->delay) m->delay = audio->config.out.delay; mux_data->codec = audio->config.out.codec; memset(track, 0, sizeof(mk_TrackConfig)); switch (audio->config.out.codec & HB_ACODEC_MASK) { case HB_ACODEC_DCA: case HB_ACODEC_DCA_HD: track->codecPrivate = NULL; track->codecPrivateSize = 0; track->codecID = MK_ACODEC_DTS; break; case HB_ACODEC_AC3: track->codecPrivate = NULL; track->codecPrivateSize = 0; track->codecID = MK_ACODEC_AC3; break; case HB_ACODEC_LAME: case HB_ACODEC_MP3: track->codecPrivate = NULL; track->codecPrivateSize = 0; track->codecID = MK_ACODEC_MP3; break; case HB_ACODEC_VORBIS: { int i; uint64_t cp_size = 0; track->codecID = MK_ACODEC_VORBIS; uint64_t header_sizes[3]; for (i = 0; i < 3; ++i) { ogg_headers[i] = (ogg_packet *)audio->priv.config.vorbis.headers[i]; ogg_headers[i]->packet = (unsigned char *)&audio->priv.config.vorbis.headers[i] + sizeof( ogg_packet ); header_sizes[i] = ogg_headers[i]->bytes; } track->codecPrivate = mk_laceXiph(header_sizes, 2, &cp_size); track->codecPrivate = realloc(track->codecPrivate, cp_size + ogg_headers[0]->bytes + ogg_headers[1]->bytes + ogg_headers[2]->bytes); for(i = 0; i < 3; ++i) { memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes); cp_size += ogg_headers[i]->bytes; } track->codecPrivateSize = cp_size; } break; case HB_ACODEC_FFFLAC: case HB_ACODEC_FFFLAC24: if (audio->priv.config.extradata.bytes) { track->codecPrivate = create_flac_header(audio->priv.config.extradata.bytes, audio->priv.config.extradata.length); track->codecPrivateSize = audio->priv.config.extradata.length + 8; } track->codecID = MK_ACODEC_FLAC; break; case HB_ACODEC_FAAC: case HB_ACODEC_FFAAC: case HB_ACODEC_CA_AAC: case HB_ACODEC_CA_HAAC: case HB_ACODEC_FDK_AAC: case HB_ACODEC_FDK_HAAC: track->codecPrivate = audio->priv.config.extradata.bytes; track->codecPrivateSize = audio->priv.config.extradata.length; track->codecID = MK_ACODEC_AAC; break; default: *job->die = 1; hb_error("muxmkv: Unknown audio codec: %x", audio->config.out.codec); return 0; } if( default_track_flag ) { track->flagDefault = 1; default_track_flag = 0; } else { track->flagDefault = 0; } track->flagEnabled = 1; track->trackType = MK_TRACK_AUDIO; // MKV lang codes should be ISO-639-2/B lang = lang_for_code2( audio->config.lang.iso639_2 ); track->language = lang->iso639_2b ? lang->iso639_2b : lang->iso639_2; // sample rate if ((audio->config.out.codec == HB_ACODEC_CA_HAAC) || (audio->config.out.codec == HB_ACODEC_FDK_HAAC) || (audio->config.out.codec == HB_ACODEC_AAC_PASS && audio->config.in.samples_per_frame > 1024)) { // For HE-AAC, write outputSamplingFreq too // samplingFreq is half of outputSamplingFreq track->extra.audio.outputSamplingFreq = (float)audio->config.out.samplerate; track->extra.audio.samplingFreq = track->extra.audio.outputSamplingFreq / 2.; } else { track->extra.audio.samplingFreq = (float)audio->config.out.samplerate; } if (audio->config.out.codec & HB_ACODEC_PASS_FLAG) { track->extra.audio.channels = av_get_channel_layout_nb_channels(audio->config.in.channel_layout); } else { track->extra.audio.channels = hb_mixdown_get_discrete_channel_count(audio->config.out.mixdown); } mux_data->track = mk_createTrack(m->file, track); if (audio->config.out.codec == HB_ACODEC_VORBIS || audio->config.out.codec == HB_ACODEC_FFFLAC || audio->config.out.codec == HB_ACODEC_FFFLAC24) free(track->codecPrivate); } char * subidx_fmt = "size: %dx%d\n" "org: %d, %d\n" "scale: 100%%, 100%%\n" "alpha: 100%%\n" "smooth: OFF\n" "fadein/out: 50, 50\n" "align: OFF at LEFT TOP\n" "time offset: 0\n" "forced subs: %s\n" "palette: %06x, %06x, %06x, %06x, %06x, %06x, " "%06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x\n" "custom colors: OFF, tridx: 0000, " "colors: 000000, 000000, 000000, 000000\n"; for( i = 0; i < hb_list_count( job->list_subtitle ); i++ ) { hb_subtitle_t * subtitle; uint32_t rgb[16]; char subidx[2048]; int len; subtitle = hb_list_item( job->list_subtitle, i ); if (subtitle->config.dest != PASSTHRUSUB) continue; memset(track, 0, sizeof(mk_TrackConfig)); switch (subtitle->source) { case VOBSUB: track->codecID = MK_SUBTITLE_VOBSUB; for (j = 0; j < 16; j++) rgb[j] = hb_yuv2rgb(subtitle->palette[j]); len = snprintf(subidx, 2048, subidx_fmt, subtitle->width, subtitle->height, 0, 0, "OFF", rgb[0], rgb[1], rgb[2], rgb[3], rgb[4], rgb[5], rgb[6], rgb[7], rgb[8], rgb[9], rgb[10], rgb[11], rgb[12], rgb[13], rgb[14], rgb[15]); track->codecPrivate = subidx; track->codecPrivateSize = len + 1; break; case PGSSUB: track->codecPrivate = NULL; track->codecPrivateSize = 0; track->codecID = MK_SUBTITLE_PGS; break; case SSASUB: track->codecID = MK_SUBTITLE_SSA; need_fonts = 1; track->codecPrivate = subtitle->extradata; track->codecPrivateSize = subtitle->extradata_size; break; case CC608SUB: case CC708SUB: case UTF8SUB: case TX3GSUB: case SRTSUB: track->codecPrivate = NULL; track->codecPrivateSize = 0; track->codecID = MK_SUBTITLE_UTF8; break; default: continue; } if ( subtitle->config.default_track ) { track->flagDefault = 1; } mux_data = calloc(1, sizeof( hb_mux_data_t ) ); subtitle->mux_data = mux_data; mux_data->subtitle = 1; mux_data->sub_format = subtitle->format; track->flagEnabled = 1; track->trackType = MK_TRACK_SUBTITLE; // MKV lang codes should be ISO-639-2/B lang = lang_for_code2( subtitle->iso639_2 ); track->language = lang->iso639_2b ? lang->iso639_2b : lang->iso639_2; mux_data->track = mk_createTrack(m->file, track); } if (need_fonts) { hb_list_t * list_attachment = job->list_attachment; int i; for ( i = 0; i < hb_list_count(list_attachment); i++ ) { hb_attachment_t * attachment = hb_list_item( list_attachment, i ); if ( attachment->type == FONT_TTF_ATTACH ) { mk_createAttachment( m->file, attachment->name, NULL, "application/x-truetype-font", attachment->data, attachment->size); } } } if( mk_writeHeader( m->file, "HandBrake " HB_PROJECT_VERSION) < 0 ) { hb_error( "Failed to write to output file, disk full?"); *job->die = 1; } if (track != NULL) free(track); if (avcC != NULL) free(avcC); return 0; } static int MKVMux(hb_mux_object_t *m, hb_mux_data_t *mux_data, hb_buffer_t *buf) { char chapter_name[1024]; hb_chapter_t *chapter_data; uint64_t timecode = 0; hb_job_t *job = m->job; // Adjust for audio preroll and scale units timecode = (buf->s.start + m->delay) * TIMECODE_SCALE; if (mux_data == job->mux_data) { /* Video */ if (job->chapter_markers && buf->s.new_chap) { // reached chapter N, write marker for chapter N-1 mux_data->current_chapter = buf->s.new_chap - 1; // chapter numbers start at 1, but the list starts at 0 chapter_data = hb_list_item(job->list_chapter, mux_data->current_chapter - 1); // make sure we're not writing a chapter that has 0 length if (chapter_data != NULL && mux_data->prev_chapter_tc < timecode) { if (chapter_data->title != NULL) { snprintf(chapter_name, 1023, "%s", chapter_data->title); } else { snprintf(chapter_name, 1023, "Chapter %d", mux_data->current_chapter); } mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, chapter_name); } mux_data->prev_chapter_tc = timecode; } } else if (mux_data->subtitle) { if( mk_startFrame(m->file, mux_data->track) < 0) { hb_error("Failed to write frame to output file, Disk Full?"); *job->die = 1; } uint64_t duration; if (buf->s.duration < 0) { duration = 10 * NANOSECOND_SCALE; } else { duration = buf->s.duration * TIMECODE_SCALE; } mk_addFrameData(m->file, mux_data->track, buf->data, buf->size); mk_setFrameFlags(m->file, mux_data->track, timecode, 1, duration); mk_flushFrame(m->file, mux_data->track); hb_buffer_close(&buf); return 0; } else { /* Audio */ } if( mk_startFrame(m->file, mux_data->track) < 0) { hb_error( "Failed to write frame to output file, Disk Full?" ); *job->die = 1; } mk_addFrameData(m->file, mux_data->track, buf->data, buf->size); mk_setFrameFlags(m->file, mux_data->track, timecode, ((mux_data == job->mux_data && ((job->vcodec & HB_VCODEC_H264_MASK) || (job->vcodec & HB_VCODEC_FFMPEG_MASK))) ? (buf->s.frametype == HB_FRAME_IDR) : (buf->s.frametype & HB_FRAME_KEY) != 0), 0); hb_buffer_close(&buf); return 0; } static int MKVEnd(hb_mux_object_t *m) { char chapter_name[1024]; hb_chapter_t *chapter_data; hb_job_t *job = m->job; hb_mux_data_t *mux_data = job->mux_data; if( !job->mux_data ) { /* * We must have failed to create the file in the first place. */ return 0; } if (job->chapter_markers) { // get the last chapter chapter_data = hb_list_item(job->list_chapter, mux_data->current_chapter++); // only write the last chapter marker if it lasts at least 1.5 second if (chapter_data != NULL && chapter_data->duration > 135000LL) { if (chapter_data->title != NULL) { snprintf(chapter_name, 1023, "%s", chapter_data->title); } else { snprintf(chapter_name, 1023, "Chapter %d", mux_data->current_chapter); } mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, chapter_name); } } if( job->metadata ) { hb_metadata_t *md = job->metadata; hb_deep_log( 2, "Writing Metadata to output file..."); if ( md->name ) { mk_createTagSimple( m->file, MK_TAG_TITLE, md->name ); } if ( md->artist ) { mk_createTagSimple( m->file, "ARTIST", md->artist ); } if ( md->album_artist ) { mk_createTagSimple( m->file, "DIRECTOR", md->album_artist ); } if ( md->composer ) { mk_createTagSimple( m->file, "COMPOSER", md->composer ); } if ( md->release_date ) { mk_createTagSimple( m->file, "DATE_RELEASED", md->release_date ); } if ( md->comment ) { mk_createTagSimple( m->file, "SUMMARY", md->comment ); } if ( !md->name && md->album ) { mk_createTagSimple( m->file, MK_TAG_TITLE, md->album ); } if ( md->genre ) { mk_createTagSimple( m->file, MK_TAG_GENRE, md->genre ); } if ( md->description ) { mk_createTagSimple( m->file, "DESCRIPTION", md->description ); } if ( md->long_description ) { mk_createTagSimple( m->file, "SYNOPSIS", md->long_description ); } } // Update and track private data that can change during // encode. int i; for( i = 0; i < hb_list_count( job->list_audio ); i++ ) { mk_Track * track; hb_audio_t * audio; audio = hb_list_item( job->list_audio, i ); track = audio->priv.mux_data->track; switch (audio->config.out.codec & HB_ACODEC_MASK) { case HB_ACODEC_FFFLAC: case HB_ACODEC_FFFLAC24: if( audio->priv.config.extradata.bytes ) { uint8_t *header; header = create_flac_header( audio->priv.config.extradata.bytes, audio->priv.config.extradata.length ); mk_updateTrackPrivateData( m->file, track, header, audio->priv.config.extradata.length + 8 ); free( header ); } break; default: break; } } if( mk_close(m->file) < 0 ) { hb_error( "Failed to flush the last frame and close the output file, Disk Full?" ); *job->die = 1; } // TODO: Free what we alloc'd return 0; } hb_mux_object_t * hb_mux_mkv_init( hb_job_t * job ) { hb_mux_object_t * m = calloc( sizeof( hb_mux_object_t ), 1 ); m->init = MKVInit; m->mux = MKVMux; m->end = MKVEnd; m->job = job; return m; } #endif // USE_LIBMKV