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vlc-2-2
Commit 29c602fc authored by Derk-Jan Hartman's avatar Derk-Jan Hartman
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* Added YVYU blending and fixed UYVY blending.

parent f2dc268e
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Showing with 29 additions and 10 deletions
modules/video_filter/blend.c
View file @ 29c602fc
......@@ -85,6 +85,7 @@ static int OpenFilter( vlc_object_t *p_this )
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('Y','U','Y','2') &&
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('Y','V','1','2') &&
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('U','Y','V','Y') &&
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('Y','V','Y','U') &&
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('R','V','1','6') &&
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('R','V','2','4') &&
p_filter->fmt_out.video.i_chroma != VLC_FOURCC('R','V','3','2') ) )
......@@ -140,7 +141,8 @@ static void Blend( filter_t *p_filter, picture_t *p_dst,
}
if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','A') &&
( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','Y','2') ||
p_filter->fmt_out.video.i_chroma == VLC_FOURCC('U','Y','V','Y') ) )
p_filter->fmt_out.video.i_chroma == VLC_FOURCC('U','Y','V','Y') ||
p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','Y','U') ) )
{
BlendYUVPacked( p_filter, p_dst, p_dst_orig, p_src,
i_x_offset, i_y_offset, i_width, i_height, i_alpha );
......@@ -171,7 +173,8 @@ static void Blend( filter_t *p_filter, picture_t *p_dst,
}
if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','P') &&
( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','Y','2') ||
p_filter->fmt_out.video.i_chroma == VLC_FOURCC('U','Y','V','Y') ) )
p_filter->fmt_out.video.i_chroma == VLC_FOURCC('U','Y','V','Y') ||
p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','Y','U') ) )
{
BlendPalYUVPacked( p_filter, p_dst, p_dst_orig, p_src,
i_x_offset, i_y_offset, i_width, i_height, i_alpha );
......@@ -514,18 +517,26 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
uint8_t *p_trans;
int i_x, i_y, i_pix_pitch, i_trans;
vlc_bool_t b_even = !((i_x_offset + p_filter->fmt_out.video.i_x_offset)%2);
int i_u_offset, i_v_offset;
int i_l_offset = 0, i_u_offset = 0, i_v_offset = 0;
if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','Y','2') )
{
i_l_offset = 0;
i_u_offset = 1;
i_v_offset = 3;
}
else if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('U','Y','V','Y') )
{
i_l_offset = 1;
i_u_offset = 0;
i_v_offset = 2;
}
else if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','Y','U') )
{
i_l_offset = 0;
i_u_offset = 3;
i_v_offset = 1;
}
i_pix_pitch = 2;
i_dst_pitch = p_dst_pic->p->i_pitch;
......@@ -577,7 +588,7 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * 2] = p_src2_y[i_x];
p_dst[i_x * 2 + i_l_offset] = p_src2_y[i_x];
if( b_even )
{
......@@ -588,8 +599,8 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
else
{
/* Blending */
p_dst[i_x * 2] = ( (uint16_t)p_src2_y[i_x] * i_trans +
(uint16_t)p_src1[i_x * 2] * (MAX_TRANS - i_trans) )
p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_src2_y[i_x] * i_trans +
(uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
if( b_even )
......@@ -727,18 +738,26 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
uint8_t *p_src1, *p_src2, *p_dst;
int i_x, i_y, i_pix_pitch, i_trans;
vlc_bool_t b_even = !((i_x_offset + p_filter->fmt_out.video.i_x_offset)%2);
int i_u_offset, i_v_offset;
int i_l_offset = 0, i_u_offset = 0, i_v_offset = 0;
if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','Y','2') )
{
i_l_offset = 0;
i_u_offset = 1;
i_v_offset = 3;
}
else if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('U','Y','V','Y') )
{
i_l_offset = 1;
i_u_offset = 0;
i_v_offset = 2;
}
else if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','Y','U') )
{
i_l_offset = 0;
i_u_offset = 3;
i_v_offset = 1;
}
i_pix_pitch = 2;
i_dst_pitch = p_dst_pic->p->i_pitch;
......@@ -777,7 +796,7 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * 2] = p_pal[p_src2[i_x]][0];
p_dst[i_x * 2 + i_l_offset] = p_pal[p_src2[i_x]][0];
if( b_even )
{
......@@ -788,8 +807,8 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
else
{
/* Blending */
p_dst[i_x * 2] = ( (uint16_t)p_pal[p_src2[i_x]][0] *
i_trans + (uint16_t)p_src1[i_x * 2] *
p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_pal[p_src2[i_x]][0] *
i_trans + (uint16_t)p_src1[i_x * 2 + i_l_offset] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
if( b_even )
......
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