From 563c72dabb7ef34b667836c1b0e2008c08e89fa6 Mon Sep 17 00:00:00 2001 From: Oskar Arvidsson Date: Mon, 9 May 2011 10:58:40 -0400 Subject: Preparatory patch for high bit depth h264 decoding support. Signed-off-by: Ronald S. Bultje --- libavcodec/h264dsp.c | 259 +-------------------------------------------------- 1 file changed, 1 insertion(+), 258 deletions(-) (limited to 'libavcodec/h264dsp.c') diff --git a/libavcodec/h264dsp.c b/libavcodec/h264dsp.c index b555ed343a..22b2086243 100644 --- a/libavcodec/h264dsp.c +++ b/libavcodec/h264dsp.c @@ -29,264 +29,7 @@ #include "avcodec.h" #include "h264dsp.h" -#define op_scale1(x) block[x] = av_clip_uint8( (block[x]*weight + offset) >> log2_denom ) -#define op_scale2(x) dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + offset) >> (log2_denom+1)) -#define H264_WEIGHT(W,H) \ -static void weight_h264_pixels ## W ## x ## H ## _c(uint8_t *block, int stride, int log2_denom, int weight, int offset){ \ - int y; \ - offset <<= log2_denom; \ - if(log2_denom) offset += 1<<(log2_denom-1); \ - for(y=0; y> 1 ) ) >> 1) - p1, -tc0[i], tc0[i] ); - tc++; - } - if( FFABS( q2 - q0 ) < beta ) { - if(tc0[i]) - pix[ xstride] = q1 + av_clip( (( q2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - q1, -tc0[i], tc0[i] ); - tc++; - } - - i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc ); - pix[-xstride] = av_clip_uint8( p0 + i_delta ); /* p0' */ - pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */ - } - pix += ystride; - } - } -} -static void h264_v_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) -{ - h264_loop_filter_luma_c(pix, stride, 1, 4, alpha, beta, tc0); -} -static void h264_h_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) -{ - h264_loop_filter_luma_c(pix, 1, stride, 4, alpha, beta, tc0); -} -static void h264_h_loop_filter_luma_mbaff_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) -{ - h264_loop_filter_luma_c(pix, 1, stride, 2, alpha, beta, tc0); -} - -static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta) -{ - int d; - for( d = 0; d < 4 * inner_iters; d++ ) { - const int p2 = pix[-3*xstride]; - const int p1 = pix[-2*xstride]; - const int p0 = pix[-1*xstride]; - - const int q0 = pix[ 0*xstride]; - const int q1 = pix[ 1*xstride]; - const int q2 = pix[ 2*xstride]; - - if( FFABS( p0 - q0 ) < alpha && - FFABS( p1 - p0 ) < beta && - FFABS( q1 - q0 ) < beta ) { - - if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){ - if( FFABS( p2 - p0 ) < beta) - { - const int p3 = pix[-4*xstride]; - /* p0', p1', p2' */ - pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3; - pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2; - pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3; - } else { - /* p0' */ - pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; - } - if( FFABS( q2 - q0 ) < beta) - { - const int q3 = pix[3*xstride]; - /* q0', q1', q2' */ - pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3; - pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2; - pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3; - } else { - /* q0' */ - pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; - } - }else{ - /* p0', q0' */ - pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; - pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; - } - } - pix += ystride; - } -} -static void h264_v_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta) -{ - h264_loop_filter_luma_intra_c(pix, stride, 1, 4, alpha, beta); -} -static void h264_h_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta) -{ - h264_loop_filter_luma_intra_c(pix, 1, stride, 4, alpha, beta); -} -static void h264_h_loop_filter_luma_mbaff_intra_c(uint8_t *pix, int stride, int alpha, int beta) -{ - h264_loop_filter_luma_intra_c(pix, 1, stride, 2, alpha, beta); -} - -static av_always_inline av_flatten void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta, int8_t *tc0) -{ - int i, d; - for( i = 0; i < 4; i++ ) { - const int tc = tc0[i]; - if( tc <= 0 ) { - pix += inner_iters*ystride; - continue; - } - for( d = 0; d < inner_iters; d++ ) { - const int p0 = pix[-1*xstride]; - const int p1 = pix[-2*xstride]; - const int q0 = pix[0]; - const int q1 = pix[1*xstride]; - - if( FFABS( p0 - q0 ) < alpha && - FFABS( p1 - p0 ) < beta && - FFABS( q1 - q0 ) < beta ) { - - int delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc ); - - pix[-xstride] = av_clip_uint8( p0 + delta ); /* p0' */ - pix[0] = av_clip_uint8( q0 - delta ); /* q0' */ - } - pix += ystride; - } - } -} -static void h264_v_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) -{ - h264_loop_filter_chroma_c(pix, stride, 1, 2, alpha, beta, tc0); -} -static void h264_h_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) -{ - h264_loop_filter_chroma_c(pix, 1, stride, 2, alpha, beta, tc0); -} -static void h264_h_loop_filter_chroma_mbaff_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) -{ - h264_loop_filter_chroma_c(pix, 1, stride, 1, alpha, beta, tc0); -} - -static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta) -{ - int d; - for( d = 0; d < 4 * inner_iters; d++ ) { - const int p0 = pix[-1*xstride]; - const int p1 = pix[-2*xstride]; - const int q0 = pix[0]; - const int q1 = pix[1*xstride]; - - if( FFABS( p0 - q0 ) < alpha && - FFABS( p1 - p0 ) < beta && - FFABS( q1 - q0 ) < beta ) { - - pix[-xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */ - pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */ - } - pix += ystride; - } -} -static void h264_v_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta) -{ - h264_loop_filter_chroma_intra_c(pix, stride, 1, 2, alpha, beta); -} -static void h264_h_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta) -{ - h264_loop_filter_chroma_intra_c(pix, 1, stride, 2, alpha, beta); -} -static void h264_h_loop_filter_chroma_mbaff_intra_c(uint8_t *pix, int stride, int alpha, int beta) -{ - h264_loop_filter_chroma_intra_c(pix, 1, stride, 1, alpha, beta); -} +#include "h264dsp_template.c" void ff_h264dsp_init(H264DSPContext *c) { -- cgit v1.2.3