Commit f41070ef authored by Thomas Guillem's avatar Thomas Guillem

chroma: i420_nv12: handle more conversions using copy helper

(cherry picked from commit 485f4173)
Signed-off-by: Thomas Guillem's avatarThomas Guillem <thomas@gllm.fr>
parent 74096b46
......@@ -78,9 +78,62 @@ static void YV12_NV12( filter_t *p_filter, picture_t *p_src,
I420_NV12( p_filter, p_src, p_dst );
}
static void NV12_I420( filter_t *p_filter, picture_t *p_src,
picture_t *p_dst )
{
filter_sys_t *p_sys = p_filter->p_sys;
p_dst->format.i_x_offset = p_src->format.i_x_offset;
p_dst->format.i_y_offset = p_src->format.i_y_offset;
const size_t pitches[] = GET_PITCHES( p_src );
const uint8_t *planes[] = GET_PLANES( p_src );
Copy420_SP_to_P( p_dst, planes, pitches,
p_src->format.i_y_offset + p_src->format.i_visible_height,
&p_sys->cache );
}
static void NV12_YV12( filter_t *p_filter, picture_t *p_src,
picture_t *p_dst )
{
NV12_I420( p_filter, p_src, p_dst );
picture_SwapUV( p_dst );
}
static void I42010B_P010( filter_t *p_filter, picture_t *p_src,
picture_t *p_dst )
{
filter_sys_t *p_sys = p_filter->p_sys;
p_dst->format.i_x_offset = p_src->format.i_x_offset;
p_dst->format.i_y_offset = p_src->format.i_y_offset;
const size_t pitches[] = GET_PITCHES( p_src );
const uint8_t *planes[] = GET_PLANES( p_src );
Copy420_16_P_to_SP( p_dst, planes, pitches,
p_src->format.i_y_offset + p_src->format.i_visible_height,
-6, &p_sys->cache );
}
static void P010_I42010B( filter_t *p_filter, picture_t *p_src,
picture_t *p_dst )
{
filter_sys_t *p_sys = p_filter->p_sys;
p_dst->format.i_x_offset = p_src->format.i_x_offset;
p_dst->format.i_y_offset = p_src->format.i_y_offset;
const size_t pitches[] = GET_PITCHES( p_src );
const uint8_t *planes[] = GET_PLANES( p_src );
Copy420_16_SP_to_P( p_dst, planes, pitches,
p_src->format.i_y_offset + p_src->format.i_visible_height,
6, &p_sys->cache );
}
/* Following functions are local */
VIDEO_FILTER_WRAPPER( I420_NV12 )
VIDEO_FILTER_WRAPPER( YV12_NV12 )
VIDEO_FILTER_WRAPPER( NV12_I420 )
VIDEO_FILTER_WRAPPER( NV12_YV12 )
VIDEO_FILTER_WRAPPER( I42010B_P010 )
VIDEO_FILTER_WRAPPER( P010_I42010B )
/*****************************************************************************
* Create: allocate a chroma function
......@@ -91,15 +144,11 @@ static int Create( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
if ( p_filter->fmt_out.video.i_chroma != VLC_CODEC_NV12 )
return -1;
/* video must be even, because 4:2:0 is subsampled by 2 in both ways */
if( p_filter->fmt_in.video.i_width & 1
|| p_filter->fmt_in.video.i_height & 1 )
{
return -1;
}
/* resizing not supported */
if( p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width !=
......@@ -109,16 +158,52 @@ static int Create( vlc_object_t *p_this )
|| p_filter->fmt_in.video.orientation != p_filter->fmt_out.video.orientation )
return -1;
switch( p_filter->fmt_in.video.i_chroma )
vlc_fourcc_t infcc = p_filter->fmt_in.video.i_chroma;
vlc_fourcc_t outfcc = p_filter->fmt_out.video.i_chroma;
uint8_t pixel_bytes = 1;
switch( infcc )
{
case VLC_CODEC_I420:
case VLC_CODEC_J420:
if( outfcc != VLC_CODEC_NV12 )
return -1;
p_filter->pf_video_filter = I420_NV12_Filter;
break;
case VLC_CODEC_YV12:
if( outfcc != VLC_CODEC_NV12 )
return -1;
p_filter->pf_video_filter = YV12_NV12_Filter;
break;
case VLC_CODEC_NV12:
switch( outfcc )
{
case VLC_CODEC_I420:
case VLC_CODEC_J420:
p_filter->pf_video_filter = NV12_I420_Filter;
break;
case VLC_CODEC_YV12:
p_filter->pf_video_filter = NV12_YV12_Filter;
break;
default:
return -1;
}
break;
case VLC_CODEC_I420_10L:
if( outfcc != VLC_CODEC_P010 )
return -1;
pixel_bytes = 2;
p_filter->pf_video_filter = I42010B_P010_Filter;
break;
case VLC_CODEC_P010:
if( outfcc != VLC_CODEC_I420_10L )
return -1;
pixel_bytes = 2;
p_filter->pf_video_filter = P010_I42010B_Filter;
break;
default:
return -1;
......@@ -129,8 +214,8 @@ static int Create( vlc_object_t *p_this )
if (!p_sys)
return VLC_ENOMEM;
CopyInitCache( &p_sys->cache, p_filter->fmt_in.video.i_x_offset +
p_filter->fmt_in.video.i_visible_width );
CopyInitCache( &p_sys->cache, ( p_filter->fmt_in.video.i_x_offset +
p_filter->fmt_in.video.i_visible_width ) * pixel_bytes );
p_filter->p_sys = p_sys;
return 0;
......
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