static void OutputFrame( sout_stream_sys_t *p_sys, picture_t *p_pic, bool b_need_duplicate, sout_stream_t *p_stream, sout_stream_id_t *id, block_t **out )
{
picture_t *p_pic2 = NULL;
/*
* Encoding
*/
/* Check if we have a subpicture to overlay */
if( p_sys->p_spu )
{
video_format_t fmt = id->p_encoder->fmt_in.video;
if( fmt.i_visible_width <= 0 || fmt.i_visible_height <= 0 )
{
fmt.i_visible_width = fmt.i_width;
fmt.i_visible_height = fmt.i_height;
fmt.i_x_offset = 0;
fmt.i_y_offset = 0;
}
subpicture_t *p_subpic = spu_Render( p_sys->p_spu, NULL, &fmt, &fmt,
p_pic->date, p_pic->date, false );
/* Overlay subpicture */
if( p_subpic )
{
if( picture_IsReferenced( p_pic ) && !filter_chain_GetLength( id->p_f_chain ) )
{
/* We can't modify the picture, we need to duplicate it,
* in this point the picture is already p_encoder->fmt.in format*/
picture_t *p_tmp = video_new_buffer_encoder( id->p_encoder );
if( likely( p_tmp ) )
{
picture_Copy( p_tmp, p_pic );
picture_Release( p_pic );
p_pic = p_tmp;
}
}
if( unlikely( !p_sys->p_spu_blend ) )
p_sys->p_spu_blend = filter_NewBlend( VLC_OBJECT( p_sys->p_spu ), &fmt );
if( likely( p_sys->p_spu_blend ) )
picture_BlendSubpicture( p_pic, p_sys->p_spu_blend, p_subpic );
subpicture_Delete( p_subpic );
}
}
if( p_sys->i_threads == 0 )
{
block_t *p_block;
p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
block_ChainAppend( out, p_block );
}
if( p_sys->b_master_sync )
{
mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
mtime_t i_video_drift = p_pic->date - i_pts;
if (unlikely ( i_video_drift > MASTER_SYNC_MAX_DRIFT
|| i_video_drift < -MASTER_SYNC_MAX_DRIFT ) )
{
msg_Dbg( p_stream,
"drift is too high (%"PRId64"), resetting master sync",
i_video_drift );
date_Set( &id->interpolated_pts, p_pic->date );
i_pts = p_pic->date + 1;
}
date_Increment( &id->interpolated_pts, 1 );
if( unlikely( b_need_duplicate ) )
{
if( p_sys->i_threads >= 1 )
{
/* We can't modify the picture, we need to duplicate it */
p_pic2 = video_new_buffer_encoder( id->p_encoder );
if( likely( p_pic2 != NULL ) )
{
picture_Copy( p_pic2, p_pic );
p_pic2->date = i_pts;
}
}
else
{
block_t *p_block;
p_pic->date = i_pts;
p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
block_ChainAppend( out, p_block );
}
}
}
if( p_sys->i_threads == 0 )
{
picture_Release( p_pic );
}
else
{
vlc_mutex_lock( &p_sys->lock_out );
picture_fifo_Push( p_sys->pp_pics, p_pic );
if( p_pic2 != NULL )
{
picture_fifo_Push( p_sys->pp_pics, p_pic2 );
}
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
}
}
static void OutputFrame( sout_stream_sys_t *p_sys, picture_t *p_pic, sout_stream_t *p_stream, sout_stream_id_t *id, block_t **out )
{
picture_t *p_pic2 = NULL;
bool b_need_duplicate=false;
/* If input pts + input_frame_interval is lower than next_output_pts - output_frame_interval
* Then the future input frame should fit better and we can drop this one
*
* Duplication need is checked in OutputFrame */
if( ( p_pic->date + (mtime_t)id->i_input_frame_interval ) <
( date_Get( &id->next_output_pts ) ) )
{
#if 0
msg_Dbg( p_stream, "dropping frame (%"PRId64" + %"PRId64" vs %"PRId64")",
p_pic->date, id->i_input_frame_interval, date_Get(&id->next_output_pts) );
#endif
picture_Release( p_pic );
return;
}
/*
* Encoding
*/
/* Check if we have a subpicture to overlay */
if( p_sys->p_spu )
{
video_format_t fmt = id->p_encoder->fmt_in.video;
if( fmt.i_visible_width <= 0 || fmt.i_visible_height <= 0 )
{
fmt.i_visible_width = fmt.i_width;
fmt.i_visible_height = fmt.i_height;
fmt.i_x_offset = 0;
fmt.i_y_offset = 0;
}
subpicture_t *p_subpic = spu_Render( p_sys->p_spu, NULL, &fmt, &fmt,
p_pic->date, p_pic->date, false );
/* Overlay subpicture */
if( p_subpic )
{
if( picture_IsReferenced( p_pic ) && !filter_chain_GetLength( id->p_f_chain ) )
{
/* We can't modify the picture, we need to duplicate it,
* in this point the picture is already p_encoder->fmt.in format*/
picture_t *p_tmp = video_new_buffer_encoder( id->p_encoder );
if( likely( p_tmp ) )
{
picture_Copy( p_tmp, p_pic );
picture_Release( p_pic );
p_pic = p_tmp;
}
}
if( unlikely( !p_sys->p_spu_blend ) )
p_sys->p_spu_blend = filter_NewBlend( VLC_OBJECT( p_sys->p_spu ), &fmt );
if( likely( p_sys->p_spu_blend ) )
picture_BlendSubpicture( p_pic, p_sys->p_spu_blend, p_subpic );
subpicture_Delete( p_subpic );
}
}
/*This pts is handled, increase clock to next one*/
date_Increment( &id->next_output_pts, id->p_encoder->fmt_in.video.i_frame_rate_base );
if( p_sys->i_threads == 0 )
{
block_t *p_block;
p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
block_ChainAppend( out, p_block );
}
/* we need to duplicate while next_output_pts + output_frame_interval < input_pts (next input pts)*/
b_need_duplicate = ( date_Get( &id->next_output_pts ) + id->i_output_frame_interval ) <
( date_Get( &id->interpolated_pts ) );
if( p_sys->i_threads )
{
if( p_sys->b_master_sync )
{
p_pic2 = video_new_buffer_encoder( id->p_encoder );
if( likely( p_pic2 != NULL ) )
picture_Copy( p_pic2, p_pic );
}
vlc_mutex_lock( &p_sys->lock_out );
picture_fifo_Push( p_sys->pp_pics, p_pic );
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
}
while( (p_sys->b_master_sync && b_need_duplicate ))
{
if( p_sys->i_threads >= 1 )
{
picture_t *p_tmp = NULL;
/* We can't modify the picture, we need to duplicate it */
p_tmp = video_new_buffer_encoder( id->p_encoder );
if( likely( p_tmp != NULL ) )
{
picture_Copy( p_tmp, p_pic2 );
p_tmp->date = date_Get( &id->next_output_pts );
vlc_mutex_lock( &p_sys->lock_out );
picture_fifo_Push( p_sys->pp_pics, p_tmp );
vlc_cond_signal( &p_sys->cond );
vlc_mutex_unlock( &p_sys->lock_out );
}
}
else
{
block_t *p_block;
p_pic->date = date_Get( &id->next_output_pts );
p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
block_ChainAppend( out, p_block );
}
#if 0
msg_Dbg( p_stream, "duplicated frame");
#endif
date_Increment( &id->next_output_pts, id->p_encoder->fmt_in.video.i_frame_rate_base );
b_need_duplicate = ( date_Get( &id->next_output_pts ) + id->i_output_frame_interval ) <
( date_Get( &id->interpolated_pts ) );
}
if( p_sys->i_threads && p_pic2 )
picture_Release( p_pic2 );
else if ( p_sys->i_threads == 0 )
picture_Release( p_pic );
}
