[FFmpeg-devel] [PATCH 03/15] Move the functions in h264dsp.c into a new file h264dsp_internal.h
Oskar Arvidsson
arvidsson.oskar
Thu Mar 10 23:27:35 CET 2011
Preparatory patch for high bit depth h264 decoding support.
---
libavcodec/h264dsp.c | 243 +------------------------------------
libavcodec/h264dsp_internal.h | 271 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 272 insertions(+), 242 deletions(-)
create mode 100644 libavcodec/h264dsp_internal.h
diff --git a/libavcodec/h264dsp.c b/libavcodec/h264dsp.c
index 56e606c..2a2072b 100644
--- a/libavcodec/h264dsp.c
+++ b/libavcodec/h264dsp.c
@@ -29,248 +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<H; y++, block += stride){ \
- op_scale1(0); \
- op_scale1(1); \
- if(W==2) continue; \
- op_scale1(2); \
- op_scale1(3); \
- if(W==4) continue; \
- op_scale1(4); \
- op_scale1(5); \
- op_scale1(6); \
- op_scale1(7); \
- if(W==8) continue; \
- op_scale1(8); \
- op_scale1(9); \
- op_scale1(10); \
- op_scale1(11); \
- op_scale1(12); \
- op_scale1(13); \
- op_scale1(14); \
- op_scale1(15); \
- } \
-} \
-static void biweight_h264_pixels ## W ## x ## H ## _c(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset){ \
- int y; \
- offset = ((offset + 1) | 1) << log2_denom; \
- for(y=0; y<H; y++, dst += stride, src += stride){ \
- op_scale2(0); \
- op_scale2(1); \
- if(W==2) continue; \
- op_scale2(2); \
- op_scale2(3); \
- if(W==4) continue; \
- op_scale2(4); \
- op_scale2(5); \
- op_scale2(6); \
- op_scale2(7); \
- if(W==8) continue; \
- op_scale2(8); \
- op_scale2(9); \
- op_scale2(10); \
- op_scale2(11); \
- op_scale2(12); \
- op_scale2(13); \
- op_scale2(14); \
- op_scale2(15); \
- } \
-}
-
-H264_WEIGHT(16,16)
-H264_WEIGHT(16,8)
-H264_WEIGHT(8,16)
-H264_WEIGHT(8,8)
-H264_WEIGHT(8,4)
-H264_WEIGHT(4,8)
-H264_WEIGHT(4,4)
-H264_WEIGHT(4,2)
-H264_WEIGHT(2,4)
-H264_WEIGHT(2,2)
-
-#undef op_scale1
-#undef op_scale2
-#undef H264_WEIGHT
-
-static av_always_inline av_flatten void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
-{
- int i, d;
- for( i = 0; i < 4; i++ ) {
- if( tc0[i] < 0 ) {
- pix += 4*ystride;
- continue;
- }
- for( d = 0; d < 4; d++ ) {
- const int p0 = pix[-1*xstride];
- const int p1 = pix[-2*xstride];
- const int p2 = pix[-3*xstride];
- const int q0 = pix[0];
- 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 ) {
-
- int tc = tc0[i];
- int i_delta;
-
- if( FFABS( p2 - p0 ) < beta ) {
- if(tc0[i])
- pix[-2*xstride] = p1 + av_clip( (( p2 + ( ( p0 + q0 + 1 ) >> 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, 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, alpha, beta, tc0);
-}
-
-static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
-{
- int d;
- for( d = 0; d < 16; 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, 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, alpha, beta);
-}
-
-static av_always_inline av_flatten void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, 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 += 2*ystride;
- continue;
- }
- for( d = 0; d < 2; 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, 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, alpha, beta, tc0);
-}
-
-static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
-{
- int d;
- for( d = 0; d < 8; 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, 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, alpha, beta);
-}
+#include "h264dsp_internal.h"
void ff_h264dsp_init(H264DSPContext *c)
{
diff --git a/libavcodec/h264dsp_internal.h b/libavcodec/h264dsp_internal.h
new file mode 100644
index 0000000..6ee778b
--- /dev/null
+++ b/libavcodec/h264dsp_internal.h
@@ -0,0 +1,271 @@
+/*
+ * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * Copyright (c) 2003-2011 Michael Niedermayer <michaelni at gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * H.264 / AVC / MPEG4 part10 DSP functions.
+ * @author Michael Niedermayer <michaelni at gmx.at>
+ */
+
+#include "dsputil.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<H; y++, block += stride){ \
+ op_scale1(0); \
+ op_scale1(1); \
+ if(W==2) continue; \
+ op_scale1(2); \
+ op_scale1(3); \
+ if(W==4) continue; \
+ op_scale1(4); \
+ op_scale1(5); \
+ op_scale1(6); \
+ op_scale1(7); \
+ if(W==8) continue; \
+ op_scale1(8); \
+ op_scale1(9); \
+ op_scale1(10); \
+ op_scale1(11); \
+ op_scale1(12); \
+ op_scale1(13); \
+ op_scale1(14); \
+ op_scale1(15); \
+ } \
+} \
+static void biweight_h264_pixels ## W ## x ## H ## _c(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset){ \
+ int y; \
+ offset = ((offset + 1) | 1) << log2_denom; \
+ for(y=0; y<H; y++, dst += stride, src += stride){ \
+ op_scale2(0); \
+ op_scale2(1); \
+ if(W==2) continue; \
+ op_scale2(2); \
+ op_scale2(3); \
+ if(W==4) continue; \
+ op_scale2(4); \
+ op_scale2(5); \
+ op_scale2(6); \
+ op_scale2(7); \
+ if(W==8) continue; \
+ op_scale2(8); \
+ op_scale2(9); \
+ op_scale2(10); \
+ op_scale2(11); \
+ op_scale2(12); \
+ op_scale2(13); \
+ op_scale2(14); \
+ op_scale2(15); \
+ } \
+}
+
+H264_WEIGHT(16,16)
+H264_WEIGHT(16,8)
+H264_WEIGHT(8,16)
+H264_WEIGHT(8,8)
+H264_WEIGHT(8,4)
+H264_WEIGHT(4,8)
+H264_WEIGHT(4,4)
+H264_WEIGHT(4,2)
+H264_WEIGHT(2,4)
+H264_WEIGHT(2,2)
+
+#undef op_scale1
+#undef op_scale2
+#undef H264_WEIGHT
+
+static av_always_inline av_flatten void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
+{
+ int i, d;
+ for( i = 0; i < 4; i++ ) {
+ if( tc0[i] < 0 ) {
+ pix += 4*ystride;
+ continue;
+ }
+ for( d = 0; d < 4; d++ ) {
+ const int p0 = pix[-1*xstride];
+ const int p1 = pix[-2*xstride];
+ const int p2 = pix[-3*xstride];
+ const int q0 = pix[0];
+ 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 ) {
+
+ int tc = tc0[i];
+ int i_delta;
+
+ if( FFABS( p2 - p0 ) < beta ) {
+ if(tc0[i])
+ pix[-2*xstride] = p1 + av_clip( (( p2 + ( ( p0 + q0 + 1 ) >> 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, 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, alpha, beta, tc0);
+}
+
+static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
+{
+ int d;
+ for( d = 0; d < 16; 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, 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, alpha, beta);
+}
+
+static av_always_inline av_flatten void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, 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 += 2*ystride;
+ continue;
+ }
+ for( d = 0; d < 2; 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, 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, alpha, beta, tc0);
+}
+
+static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
+{
+ int d;
+ for( d = 0; d < 8; 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, 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, alpha, beta);
+}
--
1.7.3.5
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