libhb/muxmkv.c

   1 /* $Id:  $
   2
   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. */
   6
   7 /* libmkv header */
   8 #include "libmkv.h"
   9
  10 #include <ogg/ogg.h>
  11
  12 #include "hb.h"
  13
  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
  17
  18 struct hb_mux_object_s
  19 {
  20     HB_MUX_COMMON;
  21
  22     hb_job_t * job;
  23
  24     mk_Writer * file;
  25 };
  26
  27 struct hb_mux_data_s
  28 {
  29     mk_Track  * track;
  30     uint64_t  prev_chapter_tc;
  31     uint16_t  current_chapter;
  32     int       codec;
  33 };
  34
  35 /**********************************************************************
  36  * MKVInit
  37  **********************************************************************
  38  * Allocates hb_mux_data_t structures, create file and write headers
  39  *********************************************************************/
  40 static int MKVInit( hb_mux_object_t * m )
  41 {
  42     hb_job_t   * job   = m->job;
  43     hb_title_t * title = job->title;
  44     hb_audio_t    * audio;
  45     hb_mux_data_t * mux_data;
  46
  47     uint8_t         *avcC = NULL;
  48     uint8_t         default_track_flag = 1;
  49     int             avcC_len, i;
  50     ogg_packet      *ogg_headers[3];
  51     mk_TrackConfig *track;
  52
  53     track = calloc(1, sizeof(mk_TrackConfig));
  54
  55     m->file = mk_createWriter(job->file, 1000000, 1);
  56
  57     if( !m->file )
  58     {
  59         hb_error( "Could not create output file, Disk Full?" );
  60         job->mux_data = NULL;
  61         *job->die = 1;
  62         return 0;
  63     }
  64
  65     /* Video track */
  66     mux_data      = calloc(1, sizeof( hb_mux_data_t ) );
  67     job->mux_data = mux_data;
  68
  69     track->trackType = MK_TRACK_VIDEO;
  70     track->flagDefault = 1;
  71     track->flagEnabled = 1;
  72     switch (job->vcodec)
  73     {
  74         case HB_VCODEC_X264:
  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);
  79             if (avcC == NULL)
  80                 return -1;
  81
  82             avcC[0] = 1;
  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
  88
  89             avcC[6] = job->config.h264.sps_length >> 8;
  90             avcC[7] = job->config.h264.sps_length;
  91
  92             memcpy(avcC+8, job->config.h264.sps, job->config.h264.sps_length);
  93
  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;
  97
  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;
 101             if (job->areBframes)
 102                 track->minCache = 1;
 103             break;
 104         case HB_VCODEC_XVID:
 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;
 109             break;
 110         case HB_VCODEC_THEORA:
 111             {
 112                 int i;
 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)
 117                 {
 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;
 121                 }
 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)
 125                 {
 126                     memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes);
 127                     cp_size += ogg_headers[i]->bytes;
 128                 }
 129                 track->codecPrivateSize = cp_size;
 130             }
 131             break;
 132         default:
 133             *job->die = 1;
 134             hb_error("muxmkv: Unknown video codec: %x", job->vcodec);
 135             return 0;
 136     }
 137
 138     track->extra.video.pixelWidth = job->width;
 139     track->extra.video.pixelHeight = job->height;
 140     track->extra.video.displayHeight = job->height;
 141     if(job->pixel_ratio)
 142     {
 143         track->extra.video.displayWidth = job->width * ((double)job->pixel_aspect_width / (double)job->pixel_aspect_height);
 144     }
 145     else
 146     {
 147         track->extra.video.displayWidth = job->width;
 148     }
 149
 150
 151     track->defaultDuration = (int64_t)(((float)job->vrate_base / (float)job->vrate) * 1000000000);
 152
 153     mux_data->track = mk_createTrack(m->file, track);
 154
 155     memset(track, 0, sizeof(mk_TrackConfig));
 156
 157     /* add the audio tracks */
 158     for( i = 0; i < hb_list_count( title->list_audio ); i++ )
 159     {
 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;
 163
 164         mux_data->codec = audio->config.out.codec;
 165
 166         switch (audio->config.out.codec)
 167         {
 168             case HB_ACODEC_AC3:
 169                 track->codecPrivate = NULL;
 170                 track->codecPrivateSize = 0;
 171                 track->codecID = MK_ACODEC_AC3;
 172                 break;
 173             case HB_ACODEC_LAME:
 174                 track->codecPrivate = NULL;
 175                 track->codecPrivateSize = 0;
 176                 track->codecID = MK_ACODEC_MP3;
 177                 break;
 178             case HB_ACODEC_VORBIS:
 179                 {
 180                     int i;
 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)
 185                     {
 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;
 189                     }
 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)
 193                     {
 194                         memcpy(track->codecPrivate + cp_size, ogg_headers[i]->packet, ogg_headers[i]->bytes);
 195                         cp_size += ogg_headers[i]->bytes;
 196                     }
 197                     track->codecPrivateSize = cp_size;
 198                 }
 199                 break;
 200             case HB_ACODEC_FAAC:
 201                 track->codecPrivate = audio->priv.config.aac.bytes;
 202                 track->codecPrivateSize = audio->priv.config.aac.length;
 203                 track->codecID = MK_ACODEC_AAC;
 204                 break;
 205             default:
 206                 *job->die = 1;
 207                 hb_error("muxmkv: Unknown audio codec: %x", audio->config.out.codec);
 208                 return 0;
 209         }
 210
 211         if (default_track_flag)
 212         {
 213             track->flagDefault = 1;
 214             default_track_flag = 0;
 215         }
 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);
 225     }
 226
 227     if( mk_writeHeader( m->file, "HandBrake " HB_VERSION) < 0 )
 228     {
 229         hb_error( "Failed to write to output file, disk full?");
 230         *job->die = 1;
 231     }
 232     if (track != NULL)
 233         free(track);
 234     if (avcC != NULL)
 235         free(avcC);
 236
 237     return 0;
 238 }
 239
 240 static int MKVMux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
 241                    hb_buffer_t * buf )
 242 {
 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;
 250
 251     if (mux_data == job->mux_data)
 252     {
 253         /* Video */
 254         timecode = buf->start * TIMECODE_SCALE;
 255
 256         if (job->chapter_markers && (buf->new_chap || timecode == 0))
 257         {
 258             /* Make sure we're not writing a chapter that has 0 length */
 259             if (mux_data->prev_chapter_tc != timecode)
 260             {
 261                 if ( buf->new_chap )
 262                 {
 263                     mux_data->current_chapter = buf->new_chap - 2;
 264                 }
 265                 chapter_data = hb_list_item( title->list_chapter,
 266                                              mux_data->current_chapter++ );
 267                 tmp_buffer[0] = '\0';
 268
 269                 if( chapter_data != NULL )
 270                 {
 271                     string = chapter_data->title;
 272                 }
 273
 274                 if( strlen(string) == 0 || strlen(string) >= 1024 )
 275                 {
 276                     snprintf( tmp_buffer, 1023, "Chapter %02i", mux_data->current_chapter );
 277                     string = tmp_buffer;
 278                 }
 279                 mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, string);
 280             }
 281             mux_data->prev_chapter_tc = timecode;
 282         }
 283
 284         if (job->vcodec == HB_VCODEC_THEORA)
 285         {
 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)
 290             {
 291                 hb_error( "Failed to write frame to output file, Disk Full?" );
 292                 *job->die = 1;
 293             }
 294             mk_addFrameData(m->file, mux_data->track, op->packet, op->bytes);
 295             mk_setFrameFlags(m->file, mux_data->track, timecode, 1);
 296             return 0;
 297         }
 298     }
 299     else
 300     {
 301         /* Audio */
 302         timecode = buf->start * TIMECODE_SCALE;
 303         if (mux_data->codec == HB_ACODEC_VORBIS)
 304         {
 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))
 309             {
 310                 hb_error( "Failed to write frame to output file, Disk Full?" );
 311                 *job->die = 1;
 312             }
 313             mk_addFrameData(m->file, mux_data->track, op->packet, op->bytes);
 314             mk_setFrameFlags(m->file, mux_data->track, timecode, 1);
 315             return 0;
 316         }
 317     }
 318
 319     if( mk_startFrame(m->file, mux_data->track) < 0)
 320     {
 321         hb_error( "Failed to write frame to output file, Disk Full?" );
 322         *job->die = 1;
 323     }
 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)) );
 327     return 0;
 328 }
 329
 330 static int MKVEnd( hb_mux_object_t * m )
 331 {
 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;
 338
 339     if( !job->mux_data )
 340     {
 341         /*
 342          * We must have failed to create the file in the first place.
 343          */
 344         return 0;
 345     }
 346
 347     chapter_data = hb_list_item( title->list_chapter, mux_data->current_chapter++ );
 348
 349     if(job->chapter_markers)
 350     {
 351         tmp_buffer[0] = '\0';
 352
 353         if( chapter_data != NULL )
 354         {
 355             string = chapter_data->title;
 356         }
 357
 358         if( strlen(string) == 0 || strlen(string) >= 1024 )
 359         {
 360             snprintf( tmp_buffer, 1023, "Chapter %02i", mux_data->current_chapter );
 361             string = tmp_buffer;
 362         }
 363         mk_createChapterSimple(m->file, mux_data->prev_chapter_tc, mux_data->prev_chapter_tc, string);
 364     }
 365
 366     if( title->metadata )
 367     {
 368         hb_metadata_t *md = title->metadata;
 369
 370         hb_deep_log( 2, "Writing Metadata to output file...");
 371         mk_createTagSimple( m->file, MK_TAG_TITLE, md->name );
 372         mk_createTagSimple( m->file, "ARTIST", md->artist );
 373         mk_createTagSimple( m->file, "COMPOSER", md->composer );
 374         mk_createTagSimple( m->file, MK_TAG_SYNOPSIS, md->comment );
 375         mk_createTagSimple( m->file, "DATE_RELEASED", md->release_date );
 376         // mk_createTagSimple( m->file, "", md->album );
 377         mk_createTagSimple( m->file, MK_TAG_GENRE, md->genre );
 378     }
 379
 380     if( mk_close(m->file) < 0 )
 381     {
 382         hb_error( "Failed to flush the last frame and close the output file, Disk Full?" );
 383         *job->die = 1;
 384     }
 385
 386     // TODO: Free what we alloc'd
 387
 388     return 0;
 389 }
 390
 391 hb_mux_object_t * hb_mux_mkv_init( hb_job_t * job )
 392 {
 393     hb_mux_object_t * m = calloc( sizeof( hb_mux_object_t ), 1 );
 394     m->init      = MKVInit;
 395     m->mux       = MKVMux;
 396     m->end       = MKVEnd;
 397     m->job       = job;
 398     return m;
 399 }