/*****************************************************************************
* DecodeFrame: decodes a video frame.
*****************************************************************************/
static picture_t *DecodeFrame( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
picture_t *p_pic;
/* Get a new picture */
p_pic = decoder_NewPicture( p_dec );
if( !p_pic )
{
block_Release( p_block );
return NULL;
}
FillPicture( p_dec, p_block, p_pic );
p_pic->date = date_Get( &p_sys->pts );
if( p_block->i_flags & BLOCK_FLAG_INTERLACED_MASK )
{
p_pic->b_progressive = false;
p_pic->i_nb_fields = 2;
if( p_block->i_flags & BLOCK_FLAG_TOP_FIELD_FIRST )
p_pic->b_top_field_first = true;
else
p_pic->b_top_field_first = false;
}
else
p_pic->b_progressive = true;
block_Release( p_block );
return p_pic;
}
/*****************************************************************************
* DecodeFrame: decodes a video frame.
*****************************************************************************/
static int DecodeFrame( decoder_t *p_dec, block_t *p_block )
{
if( p_block == NULL ) /* No Drain */
return VLCDEC_SUCCESS;
p_block = DecodeBlock( p_dec, p_block );
if( p_block == NULL )
return VLCDEC_SUCCESS;
decoder_sys_t *p_sys = p_dec->p_sys;
/* Get a new picture */
picture_t *p_pic = NULL;
if( !decoder_UpdateVideoFormat( p_dec ) )
p_pic = decoder_NewPicture( p_dec );
if( p_pic == NULL )
{
block_Release( p_block );
return VLCDEC_SUCCESS;
}
FillPicture( p_dec, p_block, p_pic );
/* Date management: 1 frame per packet */
p_pic->date = date_Get( &p_dec->p_sys->pts );
date_Increment( &p_sys->pts, 1 );
if( p_block->i_flags & BLOCK_FLAG_INTERLACED_MASK )
{
p_pic->b_progressive = false;
p_pic->i_nb_fields = (p_block->i_flags & BLOCK_FLAG_SINGLE_FIELD) ? 1 : 2;
if( p_block->i_flags & BLOCK_FLAG_TOP_FIELD_FIRST )
p_pic->b_top_field_first = true;
else
p_pic->b_top_field_first = false;
}
else
p_pic->b_progressive = true;
block_Release( p_block );
decoder_QueueVideo( p_dec, p_pic );
return VLCDEC_SUCCESS;
}
/*****************************************************************************
* DecodeFrame: decodes a video frame.
*****************************************************************************/
static picture_t *DecodeFrame( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
picture_t *p_pic;
/* Get a new picture */
p_pic = p_dec->pf_vout_buffer_new( p_dec );
if( !p_pic )
{
block_Release( p_block );
return NULL;
}
FillPicture( p_dec, p_block, p_pic );
p_pic->date = p_sys->i_pts;
block_Release( p_block );
return p_pic;
}
