It may be used under the terms of the GNU General Public License. */
#include "hb.h"
+#include "hbffmpeg.h"
#include <stdio.h>
-
#include "samplerate.h"
-#include "libavcodec/avcodec.h"
#ifdef INT64_MIN
#undef INT64_MIN /* Because it isn't defined correctly in Zeta */
/* Audio */
hb_sync_audio_t sync_audio[8];
+ int64_t audio_passthru_slip;
/* Statistics */
uint64_t st_counts[4];
pv->pts_offset = INT64_MIN;
/* Calculate how many video frames we are expecting */
- duration = 0;
- for( i = job->chapter_start; i <= job->chapter_end; i++ )
+ if (job->pts_to_stop)
+ {
+ duration = job->pts_to_stop + 90000;
+ }
+ else if( job->frame_to_stop )
{
- chapter = hb_list_item( title->list_chapter, i - 1 );
- duration += chapter->duration;
+ /* Set the duration to a rough estimate */
+ duration = ( job->frame_to_stop / ( job->vrate / job->vrate_base ) ) * 90000;
}
- duration += 90000;
+ else
+ {
+ duration = 0;
+ for( i = job->chapter_start; i <= job->chapter_end; i++ )
+ {
+ chapter = hb_list_item( title->list_chapter, i - 1 );
+ duration += chapter->duration;
+ }
+ duration += 90000;
/* 1 second safety so we're sure we won't miss anything */
+ }
pv->count_frames_max = duration * job->vrate / job->vrate_base / 90000;
hb_log( "sync: expecting %d video frames", pv->count_frames_max );
if ( pv->busy & 1 )
SyncVideo( w );
- /* If we ever got a video frame, handle audio now */
- if( pv->pts_offset != INT64_MIN )
+ for( i = 0; i < hb_list_count( pv->job->title->list_audio ); i++ )
{
- for( i = 0; i < hb_list_count( pv->job->title->list_audio ); i++ )
- {
- if ( pv->busy & ( 1 << (i + 1) ) )
- SyncAudio( w, i );
- }
+ if ( pv->busy & ( 1 << (i + 1) ) )
+ SyncAudio( w, i );
}
return ( pv->busy? HB_WORK_OK : HB_WORK_DONE );
c->sample_rate = sync->audio->config.in.samplerate;
c->channels = HB_INPUT_CH_LAYOUT_GET_DISCRETE_COUNT( sync->audio->config.in.channel_layout );
- if( avcodec_open( c, codec ) < 0 )
+ if( hb_avcodec_open( c, codec ) < 0 )
{
hb_log( "sync: avcodec_open failed" );
return;
}
free( zeros );
- avcodec_close( c );
+ hb_avcodec_close( c );
av_free( c );
}
else
}
}
+ if( cur->new_chap ) {
+ hb_log("sync got new chapter %d", cur->new_chap );
+ }
+
/*
* since the first frame is always 0 and the upstream reader code
* is taking care of adjusting for pts discontinuities, we just have
* can deal with overlaps of up to a frame time but anything larger
* we handle by dropping frames here.
*/
- if ( (int64_t)( next->start - cur->start ) <= 0 )
+ if ( (int64_t)( next->start - cur->start ) <= 0 ||
+ (int64_t)( (cur->start - pv->audio_passthru_slip ) - pv->next_pts ) < 0 )
{
if ( pv->first_drop == 0 )
{
/* Update UI */
UpdateState( w );
+
+ if( job->frame_to_stop && pv->count_frames > job->frame_to_stop )
+ {
+ // Drop an empty buffer into our output to ensure that things
+ // get flushed all the way out.
+ hb_fifo_push( job->fifo_sync, hb_buffer_init( 0 ) );
+ pv->busy &=~ 1;
+ hb_log( "sync: reached %d frames, exiting early (%i busy)",
+ pv->count_frames, pv->busy );
+ return;
+ }
/* Make sure we won't get more frames then expected */
if( pv->count_frames >= pv->count_frames_max * 2)
hb_audio_t * audio = sync->audio;
hb_buffer_t * buf;
hb_fifo_t * fifo;
+ int64_t start;
- if( audio->config.out.codec == HB_ACODEC_AC3 )
+ if( audio->config.out.codec == HB_ACODEC_AC3 ||
+ audio->config.out.codec == HB_ACODEC_DCA )
{
fifo = audio->priv.fifo_out;
}
while( !hb_fifo_is_full( fifo ) && ( buf = hb_fifo_see( audio->priv.fifo_raw ) ) )
{
+ start = buf->start - pv->audio_passthru_slip;
/* if the next buffer is an eof send it downstream */
if ( buf->size <= 0 )
{
pv->busy &=~ (1 << (i + 1) );
return;
}
- if ( (int64_t)( buf->start - sync->next_pts ) < 0 )
+ if( job->frame_to_stop && pv->count_frames >= job->frame_to_stop )
+ {
+ hb_fifo_push( fifo, hb_buffer_init(0) );
+ pv->busy &=~ (1 << (i + 1) );
+ return;
+ }
+ if ( (int64_t)( start - sync->next_pts ) < 0 )
{
// audio time went backwards.
// If our output clock is more than a half frame ahead of the
// input clock drop this frame to move closer to sync.
// Otherwise drop frames until the input clock matches the output clock.
- if ( sync->first_drop || sync->next_start - buf->start > 90*15 )
+ if ( sync->first_drop || sync->next_start - start > 90*15 )
{
// Discard data that's in the past.
if ( sync->first_drop == 0 )
hb_buffer_close( &buf );
continue;
}
- sync->next_pts = buf->start;
+ sync->next_pts = start;
}
if ( sync->first_drop )
{
sync->drop_count, sync->first_drop, sync->next_pts );
sync->first_drop = 0;
sync->drop_count = 0;
- sync->next_pts = buf->start;
+ sync->next_pts = start;
}
- if ( buf->start - sync->next_pts >= (90 * 70) )
+ if ( start - sync->next_pts >= (90 * 70) )
{
+ if ( start - sync->next_pts > (90000LL * 60) )
+ {
+ // there's a gap of more than a minute between the last
+ // frame and this. assume we got a corrupted timestamp
+ // and just drop the next buf.
+ hb_log( "sync: %d minute time gap in audio %d - dropping buf"
+ " start %lld, next %lld",
+ (int)((start - sync->next_pts) / (90000*60)),
+ i, start, sync->next_pts );
+ buf = hb_fifo_get( audio->priv.fifo_raw );
+ hb_buffer_close( &buf );
+ continue;
+ }
/*
* there's a gap of at least 70ms between the last
* frame we processed & the next. Fill it with silence.
+ * Or in the case of DCA, skip some frames from the
+ * other streams.
*/
+ if( sync->audio->config.out.codec == HB_ACODEC_DCA )
+ {
+ hb_log( "sync: audio gap %d ms. Skipping frames. Audio %d"
+ " start %lld, next %lld",
+ (int)((start - sync->next_pts) / 90),
+ i, start, sync->next_pts );
+ pv->audio_passthru_slip += (start - sync->next_pts);
+ return;
+ }
hb_log( "sync: adding %d ms of silence to audio %d"
" start %lld, next %lld",
- (int)((buf->start - sync->next_pts) / 90),
- i, buf->start, sync->next_pts );
- InsertSilence( w, i, buf->start - sync->next_pts );
+ (int)((start - sync->next_pts) / 90),
+ i, start, sync->next_pts );
+ InsertSilence( w, i, start - sync->next_pts );
return;
}