From 3d1de17e284988158cb8a4ae8c1c8be05f8fb475 Mon Sep 17 00:00:00 2001 From: Antoine Cellerier Date: Fri, 30 Mar 2007 17:29:41 +0000 Subject: [PATCH] Untested RGBA blending in I420, RV24 and RV32. --- modules/video_filter/blend.c | 448 +++++++++++++++++++++++++++-------- 1 file changed, 348 insertions(+), 100 deletions(-) diff --git a/modules/video_filter/blend.c b/modules/video_filter/blend.c index f372247c63..86f91dde17 100644 --- a/modules/video_filter/blend.c +++ b/modules/video_filter/blend.c @@ -1,10 +1,11 @@ /***************************************************************************** * blend.c: alpha blend 2 pictures together ***************************************************************************** - * Copyright (C) 2003 the VideoLAN team + * Copyright (C) 2003-2007 the VideoLAN team * $Id$ * - * Author: Gildas Bazin + * Authors: Gildas Bazin + * Antoine Cellerier * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -43,6 +44,7 @@ static int OpenFilter ( vlc_object_t * ); static void CloseFilter( vlc_object_t * ); /* TODO i_alpha support for BlendR16 */ +/* YUVA */ static void Blend( filter_t *, picture_t *, picture_t *, picture_t *, int, int, int ); static void BlendI420( filter_t *, picture_t *, picture_t *, picture_t *, @@ -53,6 +55,8 @@ static void BlendR24( filter_t *, picture_t *, picture_t *, picture_t *, int, int, int, int, int ); static void BlendYUVPacked( filter_t *, picture_t *, picture_t *, picture_t *, int, int, int, int, int ); + +/* YUVP */ static void BlendPalI420( filter_t *, picture_t *, picture_t *, picture_t *, int, int, int, int, int ); static void BlendPalYUVPacked( filter_t *, picture_t *, picture_t *, picture_t *, @@ -60,6 +64,12 @@ static void BlendPalYUVPacked( filter_t *, picture_t *, picture_t *, picture_t * static void BlendPalRV( filter_t *, picture_t *, picture_t *, picture_t *, int, int, int, int, int ); +/* RGBA */ +static void BlendRGBAI420( filter_t *, picture_t *, picture_t *, picture_t *, + int, int, int, int, int ); +static void BlendRGBAR24( filter_t *, picture_t *, picture_t *, picture_t *, + int, int, int, int, int ); + /***************************************************************************** * Module descriptor *****************************************************************************/ @@ -79,16 +89,26 @@ static int OpenFilter( vlc_object_t *p_this ) /* Check if we can handle that format. * We could try to use a chroma filter if we can't. */ - if( ( p_filter->fmt_in.video.i_chroma != VLC_FOURCC('Y','U','V','A') && - p_filter->fmt_in.video.i_chroma != VLC_FOURCC('Y','U','V','P') ) || - ( p_filter->fmt_out.video.i_chroma != VLC_FOURCC('I','4','2','0') && - 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') ) ) + int in_chroma = p_filter->fmt_in.video.i_chroma; + int out_chroma = p_filter->fmt_out.video.i_chroma; + if( + ( ( in_chroma != VLC_FOURCC('Y','U','V','A') && + in_chroma != VLC_FOURCC('Y','U','V','P') ) || + ( out_chroma != VLC_FOURCC('I','4','2','0') && + out_chroma != VLC_FOURCC('Y','U','Y','2') && + out_chroma != VLC_FOURCC('Y','V','1','2') && + out_chroma != VLC_FOURCC('U','Y','V','Y') && + out_chroma != VLC_FOURCC('Y','V','Y','U') && + out_chroma != VLC_FOURCC('R','V','1','6') && + out_chroma != VLC_FOURCC('R','V','2','4') && + out_chroma != VLC_FOURCC('R','V','3','2') ) ) + && + ( ( in_chroma != VLC_FOURCC('R','G','B','A') ) || + ( out_chroma != VLC_FOURCC('I','4','2','0') && + out_chroma != VLC_FOURCC('Y','V','1','2') && + out_chroma != VLC_FOURCC('R','V','2','4') && + out_chroma != VLC_FOURCC('R','V','3','2' ) ) ) + ) { return VLC_EGENERIC; } @@ -112,6 +132,17 @@ static int OpenFilter( vlc_object_t *p_this ) return VLC_SUCCESS; } +/***************************************************************************** + * CloseFilter: clean up the filter + *****************************************************************************/ +static void CloseFilter( vlc_object_t *p_this ) +{ + filter_t *p_filter = (filter_t*)p_this; + filter_sys_t *p_sys = p_filter->p_sys; + + free( p_sys ); +} + /**************************************************************************** * Blend: the whole thing **************************************************************************** @@ -131,68 +162,118 @@ static void Blend( filter_t *p_filter, picture_t *p_dst, if( i_width <= 0 || i_height <= 0 ) return; - if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','A') && - ( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('I','4','2','0') || - p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','1','2') ) ) + switch( p_filter->fmt_in.video.i_chroma ) { - BlendI420( p_filter, p_dst, p_dst_orig, p_src, - i_x_offset, i_y_offset, i_width, i_height, i_alpha ); - return; - } - 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('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 ); - return; - } - if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','A') && - p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','1','6') ) - { - BlendR16( p_filter, p_dst, p_dst_orig, p_src, - i_x_offset, i_y_offset, i_width, i_height, i_alpha ); - return; - } - if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','A') && - ( 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') ) ) - { - BlendR24( p_filter, p_dst, p_dst_orig, p_src, - i_x_offset, i_y_offset, i_width, i_height, i_alpha ); - return; - } - if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','P') && - ( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('I','4','2','0') || - p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','V','1','2') ) ) - { - BlendPalI420( p_filter, p_dst, p_dst_orig, p_src, - i_x_offset, i_y_offset, i_width, i_height, i_alpha ); - return; - } - 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('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 ); - return; - } - if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','P') && - ( 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') ) ) - { - BlendPalRV( p_filter, p_dst, p_dst_orig, p_src, - i_x_offset, i_y_offset, i_width, i_height, i_alpha ); - return; + case VLC_FOURCC('Y','U','V','A'): + switch( p_filter->fmt_out.video.i_chroma ) + { + case VLC_FOURCC('I','4','2','0'): + case VLC_FOURCC('Y','V','1','2'): + BlendI420( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + case VLC_FOURCC('Y','U','Y','2'): + case VLC_FOURCC('U','Y','V','Y'): + case 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 ); + return; + case VLC_FOURCC('R','V','1','6'): + BlendR16( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + case VLC_FOURCC('R','V','2','4'): + case VLC_FOURCC('R','V','3','2'): + BlendR24( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + } + case VLC_FOURCC('Y','U','V','P'): + switch( p_filter->fmt_out.video.i_chroma ) + { + case VLC_FOURCC('I','4','2','0'): + case VLC_FOURCC('Y','V','1','2'): + BlendPalI420( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + case VLC_FOURCC('Y','U','Y','2'): + case VLC_FOURCC('U','Y','V','Y'): + case 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 ); + return; + case VLC_FOURCC('R','V','1','6'): + case VLC_FOURCC('R','V','2','4'): + case VLC_FOURCC('R','V','3','2'): + BlendPalRV( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + } + case VLC_FOURCC('R','G','B','A'): + switch( p_filter->fmt_out.video.i_chroma ) + { + case VLC_FOURCC('I','4','2','0'): + case VLC_FOURCC('Y','V','1','2'): + BlendRGBAI420( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + case VLC_FOURCC('R','V','2','4'): + case VLC_FOURCC('R','V','3','2'): + BlendRGBAR24( p_filter, p_dst, p_dst_orig, p_src, + i_x_offset, i_y_offset, + i_width, i_height, i_alpha ); + return; + } } msg_Dbg( p_filter, "no matching alpha blending routine" ); } +/*********************************************************************** + * Utils + ***********************************************************************/ +static inline void yuv_to_rgb( int *r, int *g, int *b, + uint8_t y1, uint8_t u1, uint8_t v1 ) +{ + /* macros used for YUV pixel conversions */ +# define SCALEBITS 10 +# define ONE_HALF (1 << (SCALEBITS - 1)) +# define FIX(x) ((int) ((x) * (1< 255) ? 255 : ((x) < 0) ? 0 : (x)); + + int y, cb, cr, r_add, g_add, b_add; + + cb = u1 - 128; + cr = v1 - 128; + r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF; + g_add = - FIX(0.34414*255.0/224.0) * cb + - FIX(0.71414*255.0/224.0) * cr + ONE_HALF; + b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF; + y = (y1 - 16) * FIX(255.0/219.0); + *r = CLAMP((y + r_add) >> SCALEBITS); + *g = CLAMP((y + g_add) >> SCALEBITS); + *b = CLAMP((y + b_add) >> SCALEBITS); +} + +static inline void rgb_to_yuv( uint8_t *y, uint8_t *u, uint8_t *v, + int r, int g, int b ) +{ + *y = ( ( ( 66 * r + 129 * g + 25 * b + 128 ) >> 8 ) + 16 ); + *u = ( ( -38 * r - 74 * g + 112 * b + 128 ) >> 8 ) + 128 ; + *v = ( ( 112 * r - 94 * g - 18 * b + 128 ) >> 8 ) + 128 ; +} + +/*********************************************************************** + * YUVA + ***********************************************************************/ static void BlendI420( filter_t *p_filter, picture_t *p_dst, picture_t *p_dst_orig, picture_t *p_src, int i_x_offset, int i_y_offset, @@ -310,29 +391,6 @@ static void BlendI420( filter_t *p_filter, picture_t *p_dst, return; } -static inline void yuv_to_rgb( int *r, int *g, int *b, - uint8_t y1, uint8_t u1, uint8_t v1 ) -{ - /* macros used for YUV pixel conversions */ -# define SCALEBITS 10 -# define ONE_HALF (1 << (SCALEBITS - 1)) -# define FIX(x) ((int) ((x) * (1< 255) ? 255 : ((x) < 0) ? 0 : (x)); - - int y, cb, cr, r_add, g_add, b_add; - - cb = u1 - 128; - cr = v1 - 128; - r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF; - g_add = - FIX(0.34414*255.0/224.0) * cb - - FIX(0.71414*255.0/224.0) * cr + ONE_HALF; - b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF; - y = (y1 - 16) * FIX(255.0/219.0); - *r = CLAMP((y + r_add) >> SCALEBITS); - *g = CLAMP((y + g_add) >> SCALEBITS); - *b = CLAMP((y + b_add) >> SCALEBITS); -} - static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic, picture_t *p_dst_orig, picture_t *p_src, int i_x_offset, int i_y_offset, @@ -620,7 +678,7 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, i_u = (p_src2_u[i_x]+p_src2_u[i_x+1])>>1; i_v = (p_src2_v[i_x]+p_src2_v[i_x+1])>>1; } - else + else { i_u = p_src2_u[i_x]; i_v = p_src2_v[i_x]; @@ -642,6 +700,9 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, return; } +/*********************************************************************** + * YUVP + ***********************************************************************/ static void BlendPalI420( filter_t *p_filter, picture_t *p_dst, picture_t *p_dst_orig, picture_t *p_src, int i_x_offset, int i_y_offset, @@ -848,7 +909,7 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, i_u = (p_pal[p_src2[i_x]][1] + p_pal[p_src2[i_x+1]][1]) >> 1; i_v = (p_pal[p_src2[i_x]][2] + p_pal[p_src2[i_x+1]][2]) >> 1; } - else + else { i_u = p_pal[p_src2[i_x]][1]; i_v = p_pal[p_src2[i_x]][2]; @@ -970,13 +1031,200 @@ static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic, return; } -/***************************************************************************** - * CloseFilter: clean up the filter - *****************************************************************************/ -static void CloseFilter( vlc_object_t *p_this ) +/*********************************************************************** + * RGBA + ***********************************************************************/ +static void BlendRGBAI420( filter_t *p_filter, picture_t *p_dst, + picture_t *p_dst_orig, picture_t *p_src, + int i_x_offset, int i_y_offset, + int i_width, int i_height, int i_alpha ) { - filter_t *p_filter = (filter_t*)p_this; - filter_sys_t *p_sys = p_filter->p_sys; + int i_src1_pitch, i_src2_pitch, i_dst_pitch, i_src_pix_pitch; + uint8_t *p_src1_y, *p_dst_y; + uint8_t *p_src1_u, *p_dst_u; + uint8_t *p_src1_v, *p_dst_v; + uint8_t *p_src2; + int i_x, i_y, i_trans; + uint8_t y, u, v; - free( p_sys ); + vlc_bool_t b_even_scanline = i_y_offset % 2; + + i_dst_pitch = p_dst->p[Y_PLANE].i_pitch; + p_dst_y = p_dst->p[Y_PLANE].p_pixels + i_x_offset + + p_filter->fmt_out.video.i_x_offset + + p_dst->p[Y_PLANE].i_pitch * + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ); + p_dst_u = p_dst->p[U_PLANE].p_pixels + i_x_offset/2 + + p_filter->fmt_out.video.i_x_offset/2 + + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ) / 2 * + p_dst->p[U_PLANE].i_pitch; + p_dst_v = p_dst->p[V_PLANE].p_pixels + i_x_offset/2 + + p_filter->fmt_out.video.i_x_offset/2 + + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ) / 2 * + p_dst->p[V_PLANE].i_pitch; + + i_src1_pitch = p_dst_orig->p[Y_PLANE].i_pitch; + p_src1_y = p_dst_orig->p[Y_PLANE].p_pixels + i_x_offset + + p_filter->fmt_out.video.i_x_offset + + p_dst_orig->p[Y_PLANE].i_pitch * + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ); + p_src1_u = p_dst_orig->p[U_PLANE].p_pixels + i_x_offset/2 + + p_filter->fmt_out.video.i_x_offset/2 + + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ) / 2 * + p_dst_orig->p[U_PLANE].i_pitch; + p_src1_v = p_dst_orig->p[V_PLANE].p_pixels + i_x_offset/2 + + p_filter->fmt_out.video.i_x_offset/2 + + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ) / 2 * + p_dst_orig->p[V_PLANE].i_pitch; + + i_src_pix_pitch = p_src->p->i_pixel_pitch; + i_src2_pitch = p_src->p->i_pitch; + p_src2 = p_src->p->p_pixels + + p_filter->fmt_in.video.i_x_offset * i_src2_pitch + + p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset; + + +#define MAX_TRANS 255 +#define TRANS_BITS 8 + + /* Draw until we reach the bottom of the subtitle */ + for( i_y = 0; i_y < i_height; i_y++, + p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch, + p_dst_u += b_even_scanline ? i_dst_pitch/2 : 0, + p_src1_u += b_even_scanline ? i_src1_pitch/2 : 0, + p_dst_v += b_even_scanline ? i_dst_pitch/2 : 0, + p_src1_v += b_even_scanline ? i_src1_pitch/2 : 0, + p_src2 += i_src2_pitch ) + { + b_even_scanline = !b_even_scanline; + + /* Draw until we reach the end of the line */ + for( i_x = 0; i_x < i_width; i_x++ ) + { +#define R ( p_src2[i_x * i_src_pix_pitch + 0] ) +#define G ( p_src2[i_x * i_src_pix_pitch + 1] ) +#define B ( p_src2[i_x * i_src_pix_pitch + 2] ) + i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255; + if( !i_trans ) + { + /* Completely transparent. Don't change pixel */ + continue; + } + else if( i_trans == MAX_TRANS ) + { + /* Completely opaque. Completely overwrite underlying pixel */ + rgb_to_yuv( &y, &u, &v, R, G, B ); + p_dst_y[i_x] = y; + + if( b_even_scanline && i_x % 2 == 0 ) + { + p_dst_u[i_x/2] = u; + p_dst_v[i_x/2] = v; + } + continue; + } + + /* Blending */ + rgb_to_yuv( &y, &u, &v, R, G, B ); + p_dst_y[i_x] = ( (uint16_t)y * i_trans + + (uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_trans) ) + >> TRANS_BITS; + + if( b_even_scanline && i_x % 2 == 0 ) + { + p_dst_u[i_x/2] = ( (uint16_t)u * i_trans + + (uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - i_trans) ) + >> TRANS_BITS; + p_dst_v[i_x/2] = ( (uint16_t)v * i_trans + + (uint16_t)p_src1_v[i_x/2] * (MAX_TRANS - i_trans) ) + >> TRANS_BITS; + } +#undef R +#undef G +#undef B + } + } + +#undef MAX_TRANS +#undef TRANS_BITS + + return; +} + +static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic, + picture_t *p_dst_orig, picture_t *p_src, + int i_x_offset, int i_y_offset, + int i_width, int i_height, int i_alpha ) +{ + int i_src1_pitch, i_src2_pitch, i_dst_pitch; + uint8_t *p_dst, *p_src1, *p_src2; + int i_x, i_y, i_pix_pitch, i_trans, i_src_pix_pitch; + + i_pix_pitch = p_dst_pic->p->i_pixel_pitch; + i_dst_pitch = p_dst_pic->p->i_pitch; + p_dst = p_dst_pic->p->p_pixels + i_x_offset * i_pix_pitch + + p_filter->fmt_out.video.i_x_offset * i_pix_pitch + + p_dst_pic->p->i_pitch * + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ); + + i_src1_pitch = p_dst_orig->p->i_pitch; + p_src1 = p_dst_orig->p->p_pixels + i_x_offset * i_pix_pitch + + p_filter->fmt_out.video.i_x_offset * i_pix_pitch + + p_dst_orig->p->i_pitch * + ( i_y_offset + p_filter->fmt_out.video.i_y_offset ); + + i_src_pix_pitch = p_src->p->i_pixel_pitch; + i_src2_pitch = p_src->p->i_pitch; + p_src2 = p_src->p->p_pixels + + p_filter->fmt_in.video.i_x_offset * i_pix_pitch + + p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset; + +#define MAX_TRANS 255 +#define TRANS_BITS 8 + + /* Draw until we reach the bottom of the subtitle */ + for( i_y = 0; i_y < i_height; i_y++, + p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_src2 += i_src2_pitch ) + { + /* Draw until we reach the end of the line */ + for( i_x = 0; i_x < i_width; i_x++ ) + { +#define R ( p_src2[i_x * i_src_pix_pitch + 0] ) +#define G ( p_src2[i_x * i_src_pix_pitch + 1] ) +#define B ( p_src2[i_x * i_src_pix_pitch + 2] ) + i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255; + if( !i_trans ) + { + /* Completely transparent. Don't change pixel */ + continue; + } + else if( i_trans == MAX_TRANS ) + { + /* Completely opaque. Completely overwrite underlying pixel */ + p_dst[i_x * i_pix_pitch + 0] = R; + p_dst[i_x * i_pix_pitch + 1] = G; + p_dst[i_x * i_pix_pitch + 2] = B; + continue; + } + + /* Blending */ + p_dst[i_x * i_pix_pitch + 0] = ( R * i_trans + + (uint16_t)p_src1[i_x * i_pix_pitch + 0] * + (MAX_TRANS - i_trans) ) >> TRANS_BITS; + p_dst[i_x * i_pix_pitch + 1] = ( G * i_trans + + (uint16_t)p_src1[i_x * i_pix_pitch + 1] * + (MAX_TRANS - i_trans) ) >> TRANS_BITS; + p_dst[i_x * i_pix_pitch + 2] = ( B * i_trans + + (uint16_t)p_src1[i_x * i_pix_pitch + 2] * + (MAX_TRANS - i_trans) ) >> TRANS_BITS; +#undef R +#undef G +#undef B + } + } + +#undef MAX_TRANS +#undef TRANS_BITS + + return; } -- 2.39.2