1 /*****************************************************************************
2 * muxers.c: h264 file i/o plugins
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 *****************************************************************************/
24 #include "common/common.h"
30 #include <sys/types.h>
38 #include <gpac/isomedia.h>
41 static int64_t gcd( int64_t a, int64_t b )
60 /* raw 420 yuv file operation */
61 int open_file_yuv( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
63 yuv_input_t *h = malloc( sizeof(yuv_input_t) );
66 h->width = p_param->i_width;
67 h->height = p_param->i_height;
70 if( !strcmp( psz_filename, "-" ) )
73 h->fh = fopen( psz_filename, "rb" );
81 int get_frame_total_yuv( hnd_t handle )
83 yuv_input_t *h = handle;
84 int i_frame_total = 0;
86 if( !fseek( h->fh, 0, SEEK_END ) )
88 uint64_t i_size = ftell( h->fh );
89 fseek( h->fh, 0, SEEK_SET );
90 i_frame_total = (int)(i_size / ( h->width * h->height * 3 / 2 ));
96 int read_frame_yuv( x264_picture_t *p_pic, hnd_t handle, int i_frame )
98 yuv_input_t *h = handle;
100 if( i_frame != h->next_frame )
101 if( fseek( h->fh, (uint64_t)i_frame * h->width * h->height * 3 / 2, SEEK_SET ) )
104 if( fread( p_pic->img.plane[0], 1, h->width * h->height, h->fh ) <= 0
105 || fread( p_pic->img.plane[1], 1, h->width * h->height / 4, h->fh ) <= 0
106 || fread( p_pic->img.plane[2], 1, h->width * h->height / 4, h->fh ) <= 0 )
109 h->next_frame = i_frame+1;
114 int close_file_yuv(hnd_t handle)
116 yuv_input_t *h = handle;
124 /* YUV4MPEG2 raw 420 yuv file operation */
130 int seq_header_len, frame_header_len;
134 #define Y4M_MAGIC "YUV4MPEG2"
135 #define MAX_YUV4_HEADER 80
136 #define Y4M_FRAME_MAGIC "FRAME"
137 #define MAX_FRAME_HEADER 80
139 int open_file_y4m( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
142 char header[MAX_YUV4_HEADER+10];
143 char *tokstart, *tokend, *header_end;
144 y4m_input_t *h = malloc( sizeof(y4m_input_t) );
150 if( !strcmp( psz_filename, "-" ) )
153 h->fh = fopen(psz_filename, "rb");
157 h->frame_header_len = strlen(Y4M_FRAME_MAGIC)+1;
160 for( i = 0; i < MAX_YUV4_HEADER; i++ )
162 header[i] = fgetc(h->fh);
163 if( header[i] == '\n' )
165 /* Add a space after last option. Makes parsing "444" vs
166 "444alpha" easier. */
172 if( i == MAX_YUV4_HEADER || strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC)) )
175 /* Scan properties */
176 header_end = &header[i+1]; /* Include space */
177 h->seq_header_len = i+1;
178 for( tokstart = &header[strlen(Y4M_MAGIC)+1]; tokstart < header_end; tokstart++ )
180 if( *tokstart == 0x20 )
184 case 'W': /* Width. Required. */
185 h->width = p_param->i_width = strtol( tokstart, &tokend, 10 );
188 case 'H': /* Height. Required. */
189 h->height = p_param->i_height = strtol( tokstart, &tokend, 10 );
192 case 'C': /* Color space */
193 if( strncmp( "420", tokstart, 3 ) )
195 fprintf( stderr, "Colorspace unhandled\n" );
198 tokstart = strchr( tokstart, 0x20 );
200 case 'I': /* Interlace type */
201 switch( *tokstart++ )
209 fprintf( stderr, "Warning, this sequence might be interlaced\n" );
212 case 'F': /* Frame rate - 0:0 if unknown */
213 if( sscanf( tokstart, "%d:%d", &n, &d ) == 2 && n && d )
215 x264_reduce_fraction( &n, &d );
216 p_param->i_fps_num = n;
217 p_param->i_fps_den = d;
219 tokstart = strchr( tokstart, 0x20 );
221 case 'A': /* Pixel aspect - 0:0 if unknown */
222 /* Don't override the aspect ratio if sar has been explicitly set on the commandline. */
223 if( sscanf( tokstart, "%d:%d", &n, &d ) == 2 && n && d && !p_param->vui.i_sar_width && !p_param->vui.i_sar_height )
225 x264_reduce_fraction( &n, &d );
226 p_param->vui.i_sar_width = n;
227 p_param->vui.i_sar_height = d;
229 tokstart = strchr( tokstart, 0x20 );
231 case 'X': /* Vendor extensions */
232 if( !strncmp( "YSCSS=", tokstart, 6 ) )
234 /* Older nonstandard pixel format representation */
236 if( strncmp( "420JPEG",tokstart, 7 ) &&
237 strncmp( "420MPEG2",tokstart, 8 ) &&
238 strncmp( "420PALDV",tokstart, 8 ) )
240 fprintf( stderr, "Unsupported extended colorspace\n" );
244 tokstart = strchr(tokstart, 0x20);
249 fprintf( stderr, "yuv4mpeg: %ix%i@%i/%ifps, %i:%i\n",
250 h->width, h->height, p_param->i_fps_num, p_param->i_fps_den,
251 p_param->vui.i_sar_width, p_param->vui.i_sar_height );
253 *p_handle = (hnd_t)h;
257 /* Most common case: frame_header = "FRAME" */
258 int get_frame_total_y4m( hnd_t handle )
260 y4m_input_t *h = handle;
261 int i_frame_total = 0;
262 uint64_t init_pos = ftell(h->fh);
264 if( !fseek( h->fh, 0, SEEK_END ) )
266 uint64_t i_size = ftell( h->fh );
267 fseek( h->fh, init_pos, SEEK_SET );
268 i_frame_total = (int)((i_size - h->seq_header_len) /
269 (3*(h->width*h->height)/2+h->frame_header_len));
272 return i_frame_total;
275 int read_frame_y4m( x264_picture_t *p_pic, hnd_t handle, int i_frame )
277 int slen = strlen(Y4M_FRAME_MAGIC);
280 y4m_input_t *h = handle;
282 if( i_frame != h->next_frame )
284 if( fseek( h->fh, (uint64_t)i_frame*(3*(h->width*h->height)/2+h->frame_header_len)
285 + h->seq_header_len, SEEK_SET ) )
289 /* Read frame header - without terminating '\n' */
290 if( fread( header, 1, slen, h->fh ) != slen )
294 if( strncmp( header, Y4M_FRAME_MAGIC, slen ) )
296 fprintf( stderr, "Bad header magic (%"PRIx32" <=> %s)\n",
297 *((uint32_t*)header), header );
301 /* Skip most of it */
302 while( i<MAX_FRAME_HEADER && fgetc(h->fh) != '\n' )
304 if( i == MAX_FRAME_HEADER )
306 fprintf( stderr, "Bad frame header!\n" );
309 h->frame_header_len = i+slen+1;
311 if( fread( p_pic->img.plane[0], 1, h->width*h->height, h->fh ) <= 0
312 || fread( p_pic->img.plane[1], 1, h->width * h->height / 4, h->fh ) <= 0
313 || fread( p_pic->img.plane[2], 1, h->width * h->height / 4, h->fh ) <= 0)
316 h->next_frame = i_frame+1;
321 int close_file_y4m(hnd_t handle)
323 y4m_input_t *h = handle;
331 /* avs/avi input file support under cygwin */
340 int open_file_avis( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
342 avis_input_t *h = malloc( sizeof(avis_input_t) );
348 *p_handle = (hnd_t)h;
351 if( AVIStreamOpenFromFile( &h->p_avi, psz_filename, streamtypeVIDEO, 0, OF_READ, NULL ) )
357 if( AVIStreamInfo( h->p_avi, &info, sizeof(AVISTREAMINFO) ) )
359 AVIStreamRelease(h->p_avi);
364 // check input format
365 if( info.fccHandler != MAKEFOURCC('Y', 'V', '1', '2') )
367 fprintf( stderr, "avis [error]: unsupported input format (%c%c%c%c)\n",
368 (char)(info.fccHandler & 0xff), (char)((info.fccHandler >> 8) & 0xff),
369 (char)((info.fccHandler >> 16) & 0xff), (char)((info.fccHandler >> 24)) );
371 AVIStreamRelease( h->p_avi );
378 p_param->i_width = info.rcFrame.right - info.rcFrame.left;
380 p_param->i_height = info.rcFrame.bottom - info.rcFrame.top;
381 i = gcd(info.dwRate, info.dwScale);
382 p_param->i_fps_den = info.dwScale / i;
383 p_param->i_fps_num = info.dwRate / i;
385 fprintf( stderr, "avis [info]: %dx%d @ %.2f fps (%d frames)\n",
386 p_param->i_width, p_param->i_height,
387 (double)p_param->i_fps_num / (double)p_param->i_fps_den,
388 (int)info.dwLength );
393 int get_frame_total_avis( hnd_t handle )
395 avis_input_t *h = handle;
398 if( AVIStreamInfo( h->p_avi, &info, sizeof(AVISTREAMINFO) ) )
401 return info.dwLength;
404 int read_frame_avis( x264_picture_t *p_pic, hnd_t handle, int i_frame )
406 avis_input_t *h = handle;
408 p_pic->img.i_csp = X264_CSP_YV12;
410 if( AVIStreamRead( h->p_avi, i_frame, 1, p_pic->img.plane[0], h->width * h->height * 3 / 2, NULL, NULL ) )
416 int close_file_avis( hnd_t handle )
418 avis_input_t *h = handle;
419 AVIStreamRelease( h->p_avi );
430 int (*p_read_frame)( x264_picture_t *p_pic, hnd_t handle, int i_frame );
431 int (*p_close_infile)( hnd_t handle );
438 struct thread_input_arg_t *next_args;
441 typedef struct thread_input_arg_t
447 } thread_input_arg_t;
449 int open_file_thread( char *psz_filename, hnd_t *p_handle, x264_param_t *p_param )
451 thread_input_t *h = malloc( sizeof(thread_input_t) );
452 if( !h || x264_picture_alloc( &h->pic, X264_CSP_I420, p_param->i_width, p_param->i_height ) < 0 )
454 fprintf( stderr, "x264 [error]: malloc failed\n" );
457 h->p_read_frame = p_read_frame;
458 h->p_close_infile = p_close_infile;
459 h->p_handle = *p_handle;
462 h->next_args = malloc(sizeof(thread_input_arg_t));
466 h->next_args->status = 0;
467 h->frame_total = p_get_frame_total( h->p_handle );
469 *p_handle = (hnd_t)h;
473 int get_frame_total_thread( hnd_t handle )
475 thread_input_t *h = handle;
476 return h->frame_total;
479 static void read_frame_thread_int( thread_input_arg_t *i )
481 i->status = i->h->p_read_frame( i->pic, i->h->p_handle, i->i_frame );
484 int read_frame_thread( x264_picture_t *p_pic, hnd_t handle, int i_frame )
486 thread_input_t *h = handle;
489 if( h->next_frame >= 0 )
491 x264_pthread_join( h->tid, NULL );
492 ret |= h->next_args->status;
496 if( h->next_frame == i_frame )
498 XCHG( x264_picture_t, *p_pic, h->pic );
502 ret |= h->p_read_frame( p_pic, h->p_handle, i_frame );
505 if( !h->frame_total || i_frame+1 < h->frame_total )
508 h->next_args->i_frame = i_frame+1;
509 h->next_args->pic = &h->pic;
510 if( x264_pthread_create( &h->tid, NULL, (void*)read_frame_thread_int, h->next_args ) )
520 int close_file_thread( hnd_t handle )
522 thread_input_t *h = handle;
524 x264_pthread_join( h->tid, NULL );
525 h->p_close_infile( h->p_handle );
526 x264_picture_clean( &h->pic );
527 free( h->next_args );
534 int open_file_bsf( char *psz_filename, hnd_t *p_handle )
536 if( !(*p_handle = fopen(psz_filename, "w+b")) )
542 int set_param_bsf( hnd_t handle, x264_param_t *p_param )
547 int write_nalu_bsf( hnd_t handle, uint8_t *p_nalu, int i_size )
549 if( fwrite( p_nalu, i_size, 1, (FILE*)handle ) > 0 )
554 int set_eop_bsf( hnd_t handle, x264_picture_t *p_picture )
559 int close_file_bsf( hnd_t handle )
561 if( !handle || handle == stdout )
564 return fclose( (FILE*)handle );
567 /* -- mp4 muxing support ------------------------------------------------- */
573 GF_AVCConfig *p_config;
574 GF_ISOSample *p_sample;
586 static void recompute_bitrate_mp4(GF_ISOFile *p_file, int i_track)
588 u32 i, count, di, timescale, time_wnd, rate;
593 esd = gf_isom_get_esd( p_file, i_track, 1 );
597 esd->decoderConfig->avgBitrate = 0;
598 esd->decoderConfig->maxBitrate = 0;
601 timescale = gf_isom_get_media_timescale( p_file, i_track );
602 count = gf_isom_get_sample_count( p_file, i_track );
603 for( i = 0; i < count; i++ )
605 GF_ISOSample *samp = gf_isom_get_sample_info( p_file, i_track, i+1, &di, &offset );
607 if( samp->dataLength>esd->decoderConfig->bufferSizeDB )
608 esd->decoderConfig->bufferSizeDB = samp->dataLength;
610 if( esd->decoderConfig->bufferSizeDB < samp->dataLength )
611 esd->decoderConfig->bufferSizeDB = samp->dataLength;
613 esd->decoderConfig->avgBitrate += samp->dataLength;
614 rate += samp->dataLength;
615 if( samp->DTS > time_wnd + timescale )
617 if( rate > esd->decoderConfig->maxBitrate )
618 esd->decoderConfig->maxBitrate = rate;
619 time_wnd = samp->DTS;
623 gf_isom_sample_del( &samp );
626 br = (Double)(s64)gf_isom_get_media_duration( p_file, i_track );
628 esd->decoderConfig->avgBitrate = (u32)(esd->decoderConfig->avgBitrate / br);
630 esd->decoderConfig->avgBitrate *= 8;
631 esd->decoderConfig->maxBitrate *= 8;
633 gf_isom_change_mpeg4_description( p_file, i_track, 1, esd );
634 gf_odf_desc_del( (GF_Descriptor*)esd );
638 int close_file_mp4( hnd_t handle )
640 mp4_t *p_mp4 = (mp4_t*)handle;
645 if( p_mp4->p_config )
646 gf_odf_avc_cfg_del( p_mp4->p_config );
648 if( p_mp4->p_sample )
650 if( p_mp4->p_sample->data )
651 free( p_mp4->p_sample->data );
653 gf_isom_sample_del( &p_mp4->p_sample );
658 recompute_bitrate_mp4( p_mp4->p_file, p_mp4->i_track );
659 gf_isom_set_pl_indication( p_mp4->p_file, GF_ISOM_PL_VISUAL, 0x15 );
660 gf_isom_set_storage_mode( p_mp4->p_file, GF_ISOM_STORE_FLAT );
661 gf_isom_close( p_mp4->p_file );
669 int open_file_mp4( char *psz_filename, hnd_t *p_handle )
675 if( !(p_mp4 = malloc(sizeof(mp4_t))) )
678 memset( p_mp4, 0, sizeof(mp4_t) );
679 p_mp4->p_file = gf_isom_open( psz_filename, GF_ISOM_OPEN_WRITE, NULL );
681 if( !(p_mp4->p_sample = gf_isom_sample_new()) )
683 close_file_mp4( p_mp4 );
687 gf_isom_set_brand_info( p_mp4->p_file, GF_ISOM_BRAND_AVC1, 0 );
695 int set_param_mp4( hnd_t handle, x264_param_t *p_param )
697 mp4_t *p_mp4 = (mp4_t*)handle;
699 p_mp4->i_track = gf_isom_new_track( p_mp4->p_file, 0, GF_ISOM_MEDIA_VISUAL,
700 p_param->i_fps_num );
702 p_mp4->p_config = gf_odf_avc_cfg_new();
703 gf_isom_avc_config_new( p_mp4->p_file, p_mp4->i_track, p_mp4->p_config,
704 NULL, NULL, &p_mp4->i_descidx );
706 gf_isom_set_track_enabled( p_mp4->p_file, p_mp4->i_track, 1 );
708 gf_isom_set_visual_info( p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx,
709 p_param->i_width, p_param->i_height );
711 if( p_param->vui.i_sar_width && p_param->vui.i_sar_height )
713 uint64_t dw = p_param->i_width << 16;
714 uint64_t dh = p_param->i_height << 16;
715 double sar = (double)p_param->vui.i_sar_width / p_param->vui.i_sar_height;
720 gf_isom_set_track_layout_info( p_mp4->p_file, p_mp4->i_track, dw, dh, 0, 0, 0 );
723 p_mp4->p_sample->data = malloc( p_param->i_width * p_param->i_height * 3 / 2 );
724 if( !p_mp4->p_sample->data )
727 p_mp4->i_time_res = p_param->i_fps_num;
728 p_mp4->i_time_inc = p_param->i_fps_den;
729 p_mp4->i_init_delay = p_param->i_bframe ? (p_param->b_bframe_pyramid ? 2 : 1) : 0;
730 p_mp4->i_init_delay *= p_mp4->i_time_inc;
731 fprintf( stderr, "mp4 [info]: initial delay %d (scale %d)\n",
732 p_mp4->i_init_delay, p_mp4->i_time_res );
738 int write_nalu_mp4( hnd_t handle, uint8_t *p_nalu, int i_size )
740 mp4_t *p_mp4 = (mp4_t*)handle;
741 GF_AVCConfigSlot *p_slot;
742 uint8_t type = p_nalu[4] & 0x1f;
751 p_mp4->p_config->configurationVersion = 1;
752 p_mp4->p_config->AVCProfileIndication = p_nalu[5];
753 p_mp4->p_config->profile_compatibility = p_nalu[6];
754 p_mp4->p_config->AVCLevelIndication = p_nalu[7];
755 p_slot = malloc( sizeof(GF_AVCConfigSlot) );
758 p_slot->size = i_size - 4;
759 p_slot->data = malloc( p_slot->size );
762 memcpy( p_slot->data, p_nalu + 4, i_size - 4 );
763 gf_list_add( p_mp4->p_config->sequenceParameterSets, p_slot );
773 p_slot = malloc( sizeof(GF_AVCConfigSlot) );
776 p_slot->size = i_size - 4;
777 p_slot->data = malloc( p_slot->size );
780 memcpy( p_slot->data, p_nalu + 4, i_size - 4 );
781 gf_list_add( p_mp4->p_config->pictureParameterSets, p_slot );
785 gf_isom_avc_config_update( p_mp4->p_file, p_mp4->i_track, 1, p_mp4->p_config );
794 memcpy( p_mp4->p_sample->data + p_mp4->p_sample->dataLength, p_nalu, i_size );
795 p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 0] = psize >> 24;
796 p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 1] = psize >> 16;
797 p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 2] = psize >> 8;
798 p_mp4->p_sample->data[p_mp4->p_sample->dataLength + 3] = psize >> 0;
799 p_mp4->p_sample->dataLength += i_size;
806 int set_eop_mp4( hnd_t handle, x264_picture_t *p_picture )
808 mp4_t *p_mp4 = (mp4_t*)handle;
809 uint64_t dts = (uint64_t)p_mp4->i_numframe * p_mp4->i_time_inc;
810 uint64_t pts = (uint64_t)p_picture->i_pts;
811 int32_t offset = p_mp4->i_init_delay + pts - dts;
813 p_mp4->p_sample->IsRAP = p_picture->i_type == X264_TYPE_IDR ? 1 : 0;
814 p_mp4->p_sample->DTS = dts;
815 p_mp4->p_sample->CTS_Offset = offset;
816 gf_isom_add_sample( p_mp4->p_file, p_mp4->i_track, p_mp4->i_descidx, p_mp4->p_sample );
818 p_mp4->p_sample->dataLength = 0;
827 /* -- mkv muxing support ------------------------------------------------- */
833 int sps_len, pps_len;
835 int width, height, d_width, d_height;
837 int64_t frame_duration;
840 int b_header_written;
841 char b_writing_frame;
844 static int write_header_mkv( mkv_t *p_mkv )
850 if( !p_mkv->sps || !p_mkv->pps ||
851 !p_mkv->width || !p_mkv->height ||
852 !p_mkv->d_width || !p_mkv->d_height )
855 avcC_len = 5 + 1 + 2 + p_mkv->sps_len + 1 + 2 + p_mkv->pps_len;
856 avcC = malloc( avcC_len );
861 avcC[1] = p_mkv->sps[1];
862 avcC[2] = p_mkv->sps[2];
863 avcC[3] = p_mkv->sps[3];
864 avcC[4] = 0xff; // nalu size length is four bytes
865 avcC[5] = 0xe1; // one sps
867 avcC[6] = p_mkv->sps_len >> 8;
868 avcC[7] = p_mkv->sps_len;
870 memcpy( avcC+8, p_mkv->sps, p_mkv->sps_len );
872 avcC[8+p_mkv->sps_len] = 1; // one pps
873 avcC[9+p_mkv->sps_len] = p_mkv->pps_len >> 8;
874 avcC[10+p_mkv->sps_len] = p_mkv->pps_len;
876 memcpy( avcC+11+p_mkv->sps_len, p_mkv->pps, p_mkv->pps_len );
878 ret = mk_writeHeader( p_mkv->w, "x264", "V_MPEG4/ISO/AVC",
879 avcC, avcC_len, p_mkv->frame_duration, 50000,
880 p_mkv->width, p_mkv->height,
881 p_mkv->d_width, p_mkv->d_height );
885 p_mkv->b_header_written = 1;
890 int open_file_mkv( char *psz_filename, hnd_t *p_handle )
896 p_mkv = malloc( sizeof(*p_mkv) );
900 memset( p_mkv, 0, sizeof(*p_mkv) );
902 p_mkv->w = mk_create_writer( psz_filename );
914 int set_param_mkv( hnd_t handle, x264_param_t *p_param )
916 mkv_t *p_mkv = handle;
919 if( p_param->i_fps_num > 0 )
921 p_mkv->frame_duration = (int64_t)p_param->i_fps_den *
922 (int64_t)1000000000 / p_param->i_fps_num;
923 p_mkv->fps_num = p_param->i_fps_num;
927 p_mkv->frame_duration = 0;
931 p_mkv->width = p_param->i_width;
932 p_mkv->height = p_param->i_height;
934 if( p_param->vui.i_sar_width && p_param->vui.i_sar_height )
936 dw = (int64_t)p_param->i_width * p_param->vui.i_sar_width;
937 dh = (int64_t)p_param->i_height * p_param->vui.i_sar_height;
941 dw = p_param->i_width;
942 dh = p_param->i_height;
945 if( dw > 0 && dh > 0 )
947 int64_t x = gcd( dw, dh );
952 p_mkv->d_width = (int)dw;
953 p_mkv->d_height = (int)dh;
958 int write_nalu_mkv( hnd_t handle, uint8_t *p_nalu, int i_size )
960 mkv_t *p_mkv = handle;
961 uint8_t type = p_nalu[4] & 0x1f;
971 p_mkv->sps = malloc( i_size - 4 );
974 p_mkv->sps_len = i_size - 4;
975 memcpy( p_mkv->sps, p_nalu + 4, i_size - 4 );
983 p_mkv->pps = malloc( i_size - 4 );
986 p_mkv->pps_len = i_size - 4;
987 memcpy( p_mkv->pps, p_nalu + 4, i_size - 4 );
995 if( !p_mkv->b_writing_frame )
997 if( mk_start_frame( p_mkv->w ) < 0 )
999 p_mkv->b_writing_frame = 1;
1001 psize = i_size - 4 ;
1002 dsize[0] = psize >> 24;
1003 dsize[1] = psize >> 16;
1004 dsize[2] = psize >> 8;
1006 if( mk_add_frame_data( p_mkv->w, dsize, 4 ) < 0 ||
1007 mk_add_frame_data( p_mkv->w, p_nalu + 4, i_size - 4 ) < 0 )
1015 if( !p_mkv->b_header_written && p_mkv->pps && p_mkv->sps &&
1016 write_header_mkv( p_mkv ) < 0 )
1022 int set_eop_mkv( hnd_t handle, x264_picture_t *p_picture )
1024 mkv_t *p_mkv = handle;
1025 int64_t i_stamp = (int64_t)(p_picture->i_pts * 1e9 / p_mkv->fps_num);
1027 p_mkv->b_writing_frame = 0;
1029 return mk_set_frame_flags( p_mkv->w, i_stamp, p_picture->i_type == X264_TYPE_IDR );
1032 int close_file_mkv( hnd_t handle )
1034 mkv_t *p_mkv = handle;
1042 ret = mk_close( p_mkv->w );