3 This file is part of the HandBrake source code.
4 Homepage: <http://handbrake.fr/>.
5 It may be used under the terms of the GNU General Public License. */
14 /* Scale factor to apply to timecodes to convert from HandBrake's
15 * 1/90000s to nanoseconds as expected by libmkv */
16 #define TIMECODE_SCALE 1000000000 / 90000
18 struct hb_mux_object_s
30 uint64_t prev_chapter_tc;
31 uint16_t current_chapter;
35 /**********************************************************************
37 **********************************************************************
38 * Allocates hb_mux_data_t structures, create file and write headers
39 *********************************************************************/
40 static int MKVInit( hb_mux_object_t * m )
42 hb_job_t * job = m->job;
43 hb_title_t * title = job->title;
45 hb_mux_data_t * mux_data;
48 uint8_t default_track_flag = 1;
50 ogg_packet *ogg_headers[3];
51 mk_TrackConfig *track;
53 track = calloc(1, sizeof(mk_TrackConfig));
55 m->file = mk_createWriter(job->file, 1000000, 1);
59 hb_error( "Could not create output file, Disk Full?" );
66 mux_data = calloc(1, sizeof( hb_mux_data_t ) );
67 job->mux_data = mux_data;
69 track->trackType = MK_TRACK_VIDEO;
70 track->flagDefault = 1;
71 track->flagEnabled = 1;
75 track->codecID = MK_VCODEC_MP4AVC;
76 /* Taken from x264 muxers.c */
77 avcC_len = 5 + 1 + 2 + job->config.h264.sps_length + 1 + 2 + job->config.h264.pps_length;
78 avcC = malloc(avcC_len);
83 avcC[1] = job->config.h264.sps[1]; /* AVCProfileIndication */
84 avcC[2] = job->config.h264.sps[2]; /* profile_compat */
85 avcC[3] = job->config.h264.sps[3]; /* AVCLevelIndication */
86 avcC[4] = 0xff; // nalu size length is four bytes
87 avcC[5] = 0xe1; // one sps
89 avcC[6] = job->config.h264.sps_length >> 8;
90 avcC[7] = job->config.h264.sps_length;
92 memcpy(avcC+8, job->config.h264.sps, job->config.h264.sps_length);
94 avcC[8+job->config.h264.sps_length] = 1; // one pps
95 avcC[9+job->config.h264.sps_length] = job->config.h264.pps_length >> 8;
96 avcC[10+job->config.h264.sps_length] = job->config.h264.pps_length;
98 memcpy( avcC+11+job->config.h264.sps_length, job->config.h264.pps, job->config.h264.pps_length );
99 track->codecPrivate = avcC;
100 track->codecPrivateSize = avcC_len;
105 case HB_VCODEC_FFMPEG:
106 track->codecID = MK_VCODEC_MP4ASP;
107 track->codecPrivate = job->config.mpeg4.bytes;
108 track->codecPrivateSize = job->config.mpeg4.length;
110 case HB_VCODEC_THEORA:
113 uint64_t cp_size = 0;
114 track->codecID = MK_VCODEC_THEORA;
115 uint64_t header_sizes[3];
116 for (i = 0; i < 3; ++i)
118 ogg_headers[i] = (ogg_packet *)job->config.theora.headers[i];
119 ogg_headers[i]->packet = (unsigned char *)&job->config.theora.headers[i] + sizeof( ogg_packet );
120 header_sizes[i] = ogg_headers[i]->bytes;
122 track->codecPrivate = mk_laceXiph(header_sizes, 2, &cp_size);
123 track->codecPrivate = realloc(track->codecPrivate, cp_size + ogg_headers[0]->bytes + ogg_headers[1]->bytes + ogg_headers[2]->bytes);
124 for(i = 0; i < 3; ++i)
126 memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes);
127 cp_size += ogg_headers[i]->bytes;
129 track->codecPrivateSize = cp_size;
134 hb_error("muxmkv: Unknown video codec: %x", job->vcodec);
138 track->extra.video.pixelWidth = job->width;
139 track->extra.video.pixelHeight = job->height;
140 track->extra.video.displayHeight = job->height;
143 track->extra.video.displayWidth = job->width * ((double)job->pixel_aspect_width / (double)job->pixel_aspect_height);
147 track->extra.video.displayWidth = job->width;
151 track->defaultDuration = (int64_t)(((float)job->vrate_base / (float)job->vrate) * 1000000000);
153 mux_data->track = mk_createTrack(m->file, track);
155 memset(track, 0, sizeof(mk_TrackConfig));
157 /* add the audio tracks */
158 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
160 audio = hb_list_item( title->list_audio, i );
161 mux_data = malloc( sizeof( hb_mux_data_t ) );
162 audio->priv.mux_data = mux_data;
164 mux_data->codec = audio->config.out.codec;
166 switch (audio->config.out.codec)
169 track->codecPrivate = NULL;
170 track->codecPrivateSize = 0;
171 track->codecID = MK_ACODEC_AC3;
174 track->codecPrivate = NULL;
175 track->codecPrivateSize = 0;
176 track->codecID = MK_ACODEC_MP3;
178 case HB_ACODEC_VORBIS:
181 uint64_t cp_size = 0;
182 track->codecID = MK_ACODEC_VORBIS;
183 uint64_t header_sizes[3];
184 for (i = 0; i < 3; ++i)
186 ogg_headers[i] = (ogg_packet *)audio->priv.config.vorbis.headers[i];
187 ogg_headers[i]->packet = (unsigned char *)&audio->priv.config.vorbis.headers[i] + sizeof( ogg_packet );
188 header_sizes[i] = ogg_headers[i]->bytes;
190 track->codecPrivate = mk_laceXiph(header_sizes, 2, &cp_size);
191 track->codecPrivate = realloc(track->codecPrivate, cp_size + ogg_headers[0]->bytes + ogg_headers[1]->bytes + ogg_headers[2]->bytes);
192 for(i = 0; i < 3; ++i)
194 memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes);
195 cp_size += ogg_headers[i]->bytes;
197 track->codecPrivateSize = cp_size;
201 track->codecPrivate = audio->priv.config.aac.bytes;
202 track->codecPrivateSize = audio->priv.config.aac.length;
203 track->codecID = MK_ACODEC_AAC;
207 hb_error("muxmkv: Unknown audio codec: %x", audio->config.out.codec);
211 if (default_track_flag)
213 track->flagDefault = 1;
214 default_track_flag = 0;
216 track->flagEnabled = 1;
217 track->trackType = MK_TRACK_AUDIO;
218 track->language = audio->config.lang.iso639_2;
219 track->extra.audio.samplingFreq = (float)audio->config.out.samplerate;
220 track->extra.audio.channels = (audio->config.out.codec == HB_ACODEC_AC3 ) ? HB_INPUT_CH_LAYOUT_GET_DISCRETE_COUNT(audio->config.in.channel_layout) : HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->config.out.mixdown);
221 // track->defaultDuration = job->arate * 1000;
222 mux_data->track = mk_createTrack(m->file, track);
223 if (audio->config.out.codec == HB_ACODEC_VORBIS && track->codecPrivate != NULL)
224 free(track->codecPrivate);
227 if( mk_writeHeader( m->file, "HandBrake " HB_VERSION) < 0 )
229 hb_error( "Failed to write to output file, disk full?");
240 static int MKVMux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
243 ogg_packet *op = NULL;
244 hb_job_t * job = m->job;
245 hb_title_t * title = job->title;
246 uint64_t timecode = 0;
247 hb_chapter_t *chapter_data;
248 char tmp_buffer[1024];
249 char *string = tmp_buffer;
251 if (mux_data == job->mux_data)
254 timecode = buf->start * TIMECODE_SCALE;
256 if (job->chapter_markers && (buf->new_chap || timecode == 0))
258 /* Make sure we're not writing a chapter that has 0 length */
259 if (mux_data->prev_chapter_tc != timecode)
263 mux_data->current_chapter = buf->new_chap - 2;
265 chapter_data = hb_list_item( title->list_chapter,
266 mux_data->current_chapter++ );
267 tmp_buffer[0] = '\0';
269 if( chapter_data != NULL )
271 string = chapter_data->title;
274 if( strlen(string) == 0 || strlen(string) >= 1024 )
276 snprintf( tmp_buffer, 1023, "Chapter %02i", mux_data->current_chapter );
279 mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, string);
281 mux_data->prev_chapter_tc = timecode;
284 if (job->vcodec == HB_VCODEC_THEORA)
286 /* ughhh, theora is a pain :( */
287 op = (ogg_packet *)buf->data;
288 op->packet = buf->data + sizeof( ogg_packet );
289 if (mk_startFrame(m->file, mux_data->track) < 0)
291 hb_error( "Failed to write frame to output file, Disk Full?" );
294 mk_addFrameData(m->file, mux_data->track, op->packet, op->bytes);
295 mk_setFrameFlags(m->file, mux_data->track, timecode, 1);
302 timecode = buf->start * TIMECODE_SCALE;
303 if (mux_data->codec == HB_ACODEC_VORBIS)
305 /* ughhh, vorbis is a pain :( */
306 op = (ogg_packet *)buf->data;
307 op->packet = buf->data + sizeof( ogg_packet );
308 if (mk_startFrame(m->file, mux_data->track))
310 hb_error( "Failed to write frame to output file, Disk Full?" );
313 mk_addFrameData(m->file, mux_data->track, op->packet, op->bytes);
314 mk_setFrameFlags(m->file, mux_data->track, timecode, 1);
319 if( mk_startFrame(m->file, mux_data->track) < 0)
321 hb_error( "Failed to write frame to output file, Disk Full?" );
324 mk_addFrameData(m->file, mux_data->track, buf->data, buf->size);
325 mk_setFrameFlags(m->file, mux_data->track, timecode,
326 ((job->vcodec == HB_VCODEC_X264 && mux_data == job->mux_data) ? (buf->frametype == HB_FRAME_IDR) : ((buf->frametype & HB_FRAME_KEY) != 0)) );
330 static int MKVEnd( hb_mux_object_t * m )
332 hb_job_t *job = m->job;
333 hb_mux_data_t *mux_data = job->mux_data;
334 hb_title_t *title = job->title;
335 hb_chapter_t *chapter_data;
336 char tmp_buffer[1024];
337 char *string = tmp_buffer;
342 * We must have failed to create the file in the first place.
347 chapter_data = hb_list_item( title->list_chapter, mux_data->current_chapter++ );
349 if(job->chapter_markers)
351 tmp_buffer[0] = '\0';
353 if( chapter_data != NULL )
355 string = chapter_data->title;
358 if( strlen(string) == 0 || strlen(string) >= 1024 )
360 snprintf( tmp_buffer, 1023, "Chapter %02i", mux_data->current_chapter );
363 mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, string);
366 if( mk_close(m->file) < 0 )
368 hb_error( "Failed to flush the last frame and close the output file, Disk Full?" );
372 // TODO: Free what we alloc'd
377 hb_mux_object_t * hb_mux_mkv_init( hb_job_t * job )
379 hb_mux_object_t * m = calloc( sizeof( hb_mux_object_t ), 1 );