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Unified Diff: source/libvpx/vp9/decoder/vp9_idct_blk.c

Issue 11555023: libvpx: Add VP9 decoder. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 8 years ago
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« libvpx.gyp ('K') | « source/libvpx/vp9/decoder/vp9_detokenize.c ('k') | source/libvpx/vp9/decoder/vp9_onyxd_if.c » ('j') | no next file with comments »
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Index: source/libvpx/vp9/decoder/vp9_idct_blk.c
===================================================================
--- source/libvpx/vp9/decoder/vp9_idct_blk.c (revision 0)
+++ source/libvpx/vp9/decoder/vp9_idct_blk.c (revision 0)
@@ -0,0 +1,373 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vp9_rtcd.h"
+#include "vp9/common/vp9_blockd.h"
+#if CONFIG_LOSSLESS
+#include "vp9/decoder/vp9_dequantize.h"
+#endif
+
+void vp9_dequant_dc_idct_add_y_block_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dst,
+ int stride, unsigned short *eobs,
+ const short *dc) {
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_dc_idct_add_c(q, dq, pre, dst, 16, stride, dc[0]);
+ else
+ vp9_dc_only_idct_add_c(dc[0], pre, dst, 16, stride);
+
+ q += 16;
+ pre += 4;
+ dst += 4;
+ dc++;
+ }
+
+ pre += 64 - 16;
+ dst += 4 * stride - 16;
+ }
+}
+
+#if CONFIG_SUPERBLOCKS
+void vp9_dequant_dc_idct_add_y_block_4x4_inplace_c(short *q, const short *dq,
+ unsigned char *dst,
+ int stride,
+ unsigned short *eobs,
+ const short *dc,
+ MACROBLOCKD *xd) {
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_dc_idct_add_c(q, dq, dst, dst, stride, stride, dc[0]);
+ else
+ vp9_dc_only_idct_add_c(dc[0], dst, dst, stride, stride);
+
+ q += 16;
+ dst += 4;
+ dc++;
+ }
+
+ dst += 4 * stride - 16;
+ }
+}
+#endif
+
+void vp9_dequant_idct_add_y_block_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dst,
+ int stride, unsigned short *eobs) {
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_idct_add_c(q, dq, pre, dst, 16, stride);
+ else {
+ vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dst, 16, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ pre += 4;
+ dst += 4;
+ }
+
+ pre += 64 - 16;
+ dst += 4 * stride - 16;
+ }
+}
+
+void vp9_dequant_idct_add_uv_block_c(short *q, const short *dq,
+ unsigned char *pre, unsigned char *dstu,
+ unsigned char *dstv, int stride,
+ unsigned short *eobs) {
+ int i, j;
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_idct_add_c(q, dq, pre, dstu, 8, stride);
+ else {
+ vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dstu, 8, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ pre += 4;
+ dstu += 4;
+ }
+
+ pre += 32 - 8;
+ dstu += 4 * stride - 8;
+ }
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_idct_add_c(q, dq, pre, dstv, 8, stride);
+ else {
+ vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dstv, 8, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ pre += 4;
+ dstv += 4;
+ }
+
+ pre += 32 - 8;
+ dstv += 4 * stride - 8;
+ }
+}
+
+#if CONFIG_SUPERBLOCKS
+void vp9_dequant_idct_add_uv_block_4x4_inplace_c(short *q, const short *dq,
+ unsigned char *dstu,
+ unsigned char *dstv,
+ int stride,
+ unsigned short *eobs,
+ MACROBLOCKD *xd) {
+ int i, j;
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1) {
+ vp9_dequant_idct_add_c(q, dq, dstu, dstu, stride, stride);
+ } else {
+ vp9_dc_only_idct_add_c(q[0]*dq[0], dstu, dstu, stride, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ dstu += 4;
+ }
+
+ dstu += 4 * stride - 8;
+ }
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1) {
+ vp9_dequant_idct_add_c(q, dq, dstv, dstv, stride, stride);
+ } else {
+ vp9_dc_only_idct_add_c(q[0]*dq[0], dstv, dstv, stride, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ dstv += 4;
+ }
+
+ dstv += 4 * stride - 8;
+ }
+}
+#endif
+
+void vp9_dequant_dc_idct_add_y_block_8x8_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dst,
+ int stride, unsigned short *eobs,
+ const short *dc,
+ MACROBLOCKD *xd) {
+ q[0] = dc[0];
+ vp9_dequant_idct_add_8x8_c(q, dq, pre, dst, 16, stride, 1, xd->eobs[0]);
+
+ q[64] = dc[1];
+ vp9_dequant_idct_add_8x8_c(&q[64], dq, pre + 8, dst + 8, 16, stride, 1,
+ xd->eobs[4]);
+
+ q[128] = dc[4];
+ vp9_dequant_idct_add_8x8_c(&q[128], dq, pre + 8 * 16,
+ dst + 8 * stride, 16, stride, 1, xd->eobs[8]);
+
+ q[192] = dc[8];
+ vp9_dequant_idct_add_8x8_c(&q[192], dq, pre + 8 * 16 + 8,
+ dst + 8 * stride + 8, 16, stride, 1,
+ xd->eobs[12]);
+}
+
+#if CONFIG_SUPERBLOCKS
+void vp9_dequant_dc_idct_add_y_block_8x8_inplace_c(short *q, const short *dq,
+ unsigned char *dst,
+ int stride,
+ unsigned short *eobs,
+ const short *dc,
+ MACROBLOCKD *xd) {
+ q[0] = dc[0];
+ vp9_dequant_idct_add_8x8_c(q, dq, dst, dst, stride, stride, 1, xd->eobs[0]);
+
+ q[64] = dc[1];
+ vp9_dequant_idct_add_8x8_c(&q[64], dq, dst + 8,
+ dst + 8, stride, stride, 1, xd->eobs[4]);
+
+ q[128] = dc[4];
+ vp9_dequant_idct_add_8x8_c(&q[128], dq, dst + 8 * stride,
+ dst + 8 * stride, stride, stride, 1,
+ xd->eobs[8]);
+
+ q[192] = dc[8];
+ vp9_dequant_idct_add_8x8_c(&q[192], dq, dst + 8 * stride + 8,
+ dst + 8 * stride + 8, stride, stride, 1,
+ xd->eobs[12]);
+}
+#endif
+
+void vp9_dequant_idct_add_y_block_8x8_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dst,
+ int stride, unsigned short *eobs,
+ MACROBLOCKD *xd) {
+ unsigned char *origdest = dst;
+ unsigned char *origpred = pre;
+
+ vp9_dequant_idct_add_8x8_c(q, dq, pre, dst, 16, stride, 0, xd->eobs[0]);
+ vp9_dequant_idct_add_8x8_c(&q[64], dq, origpred + 8,
+ origdest + 8, 16, stride, 0, xd->eobs[4]);
+ vp9_dequant_idct_add_8x8_c(&q[128], dq, origpred + 8 * 16,
+ origdest + 8 * stride, 16, stride, 0, xd->eobs[8]);
+ vp9_dequant_idct_add_8x8_c(&q[192], dq, origpred + 8 * 16 + 8,
+ origdest + 8 * stride + 8, 16, stride, 0,
+ xd->eobs[12]);
+}
+
+void vp9_dequant_idct_add_uv_block_8x8_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dstu,
+ unsigned char *dstv,
+ int stride, unsigned short *eobs,
+ MACROBLOCKD *xd) {
+ vp9_dequant_idct_add_8x8_c(q, dq, pre, dstu, 8, stride, 0, xd->eobs[16]);
+
+ q += 64;
+ pre += 64;
+
+ vp9_dequant_idct_add_8x8_c(q, dq, pre, dstv, 8, stride, 0, xd->eobs[20]);
+}
+
+#if CONFIG_SUPERBLOCKS
+void vp9_dequant_idct_add_uv_block_8x8_inplace_c(short *q, const short *dq,
+ unsigned char *dstu,
+ unsigned char *dstv,
+ int stride,
+ unsigned short *eobs,
+ MACROBLOCKD *xd) {
+ vp9_dequant_idct_add_8x8_c(q, dq, dstu, dstu, stride, stride, 0,
+ xd->eobs[16]);
+
+ q += 64;
+ vp9_dequant_idct_add_8x8_c(q, dq, dstv, dstv, stride, stride, 0,
+ xd->eobs[20]);
+}
+#endif
+
+#if CONFIG_LOSSLESS
+void vp9_dequant_dc_idct_add_y_block_lossless_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dst,
+ int stride,
+ unsigned short *eobs,
+ const short *dc) {
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_dc_idct_add_lossless_c(q, dq, pre, dst, 16, stride, dc[0]);
+ else
+ vp9_dc_only_inv_walsh_add_c(dc[0], pre, dst, 16, stride);
+
+ q += 16;
+ pre += 4;
+ dst += 4;
+ dc++;
+ }
+
+ pre += 64 - 16;
+ dst += 4 * stride - 16;
+ }
+}
+
+void vp9_dequant_idct_add_y_block_lossless_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dst,
+ int stride, unsigned short *eobs) {
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_idct_add_lossless_c(q, dq, pre, dst, 16, stride);
+ else {
+ vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dst, 16, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ pre += 4;
+ dst += 4;
+ }
+
+ pre += 64 - 16;
+ dst += 4 * stride - 16;
+ }
+}
+
+void vp9_dequant_idct_add_uv_block_lossless_c(short *q, const short *dq,
+ unsigned char *pre,
+ unsigned char *dstu,
+ unsigned char *dstv,
+ int stride,
+ unsigned short *eobs) {
+ int i, j;
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_idct_add_lossless_c(q, dq, pre, dstu, 8, stride);
+ else {
+ vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dstu, 8, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ pre += 4;
+ dstu += 4;
+ }
+
+ pre += 32 - 8;
+ dstu += 4 * stride - 8;
+ }
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1)
+ vp9_dequant_idct_add_lossless_c(q, dq, pre, dstv, 8, stride);
+ else {
+ vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dstv, 8, stride);
+ ((int *)q)[0] = 0;
+ }
+
+ q += 16;
+ pre += 4;
+ dstv += 4;
+ }
+
+ pre += 32 - 8;
+ dstv += 4 * stride - 8;
+ }
+}
+#endif
+
Property changes on: source/libvpx/vp9/decoder/vp9_idct_blk.c
___________________________________________________________________
Added: svn:eol-style
+ LF
« libvpx.gyp ('K') | « source/libvpx/vp9/decoder/vp9_detokenize.c ('k') | source/libvpx/vp9/decoder/vp9_onyxd_if.c » ('j') | no next file with comments »

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