/*****************************************************************************
* Builders
*****************************************************************************/
static int BuildChromaResize( filter_t *p_filter )
{
filter_sys_t *p_sys = p_filter->p_sys;
es_format_t fmt_mid;
int i_ret;
/* Lets try resizing and then doing the chroma conversion */
filter_chain_Reset( p_sys->p_chain, &p_filter->fmt_in, &p_filter->fmt_out );
msg_Dbg( p_filter, "Trying to build resize+chroma" );
EsFormatMergeSize( &fmt_mid, &p_filter->fmt_in, &p_filter->fmt_out );
i_ret = CreateChain( p_sys->p_chain, &fmt_mid, NULL );
es_format_Clean( &fmt_mid );
if( i_ret == VLC_SUCCESS )
return VLC_SUCCESS;
/* Lets try it the other way arround (chroma and then resize) */
filter_chain_Reset( p_sys->p_chain, &p_filter->fmt_in, &p_filter->fmt_out );
msg_Dbg( p_filter, "Trying to build chroma+resize" );
EsFormatMergeSize( &fmt_mid, &p_filter->fmt_out, &p_filter->fmt_in );
i_ret = CreateChain( p_sys->p_chain, &fmt_mid, NULL );
es_format_Clean( &fmt_mid );
if( i_ret == VLC_SUCCESS )
return VLC_SUCCESS;
return VLC_EGENERIC;
}
static int BuildTransformChain( filter_t *p_filter )
{
es_format_t fmt_mid;
int i_ret;
/* Lets try transform first, then (potentially) resize+chroma */
msg_Dbg( p_filter, "Trying to build transform, then chroma+resize" );
es_format_Copy( &fmt_mid, &p_filter->fmt_in );
video_format_TransformTo(&fmt_mid.video, p_filter->fmt_out.video.orientation);
i_ret = CreateChain( p_filter, &fmt_mid );
es_format_Clean( &fmt_mid );
if( i_ret == VLC_SUCCESS )
return VLC_SUCCESS;
/* Lets try resize+chroma first, then transform */
msg_Dbg( p_filter, "Trying to build chroma+resize" );
EsFormatMergeSize( &fmt_mid, &p_filter->fmt_out, &p_filter->fmt_in );
i_ret = CreateChain( p_filter, &fmt_mid );
es_format_Clean( &fmt_mid );
if( i_ret == VLC_SUCCESS )
return VLC_SUCCESS;
return VLC_EGENERIC;
}
