c6b9039fd9
Approximate the Google style guide[1] so that that there's a written document to follow and tools to check compliance[2]. [1]: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml [2]: http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py Change-Id: Idf40e3d8dddcc72150f6af127b13e5dab838685f
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "vp8/common/idct.h"
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#include "vp8/decoder/dequantize.h"
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/* place these declarations here because we don't want to maintain them
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* outside of this scope
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*/
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void idct_dequant_dc_full_2x_neon
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(short *input, short *dq, unsigned char *pre, unsigned char *dst,
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int stride, short *dc);
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void idct_dequant_dc_0_2x_neon
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(short *dc, unsigned char *pre, unsigned char *dst, int stride);
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void idct_dequant_full_2x_neon
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(short *q, short *dq, unsigned char *pre, unsigned char *dst,
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int pitch, int stride);
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void idct_dequant_0_2x_neon
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(short *q, short dq, unsigned char *pre, int pitch,
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unsigned char *dst, int stride);
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void vp8_dequant_dc_idct_add_y_block_neon
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(short *q, short *dq, unsigned char *pre,
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unsigned char *dst, int stride, char *eobs, short *dc) {
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int i;
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for (i = 0; i < 4; i++) {
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if (((short *)eobs)[0] & 0xfefe)
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idct_dequant_dc_full_2x_neon(q, dq, pre, dst, stride, dc);
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else
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idct_dequant_dc_0_2x_neon(dc, pre, dst, stride);
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if (((short *)eobs)[1] & 0xfefe)
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idct_dequant_dc_full_2x_neon(q + 32, dq, pre + 8, dst + 8, stride, dc + 2);
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else
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idct_dequant_dc_0_2x_neon(dc + 2, pre + 8, dst + 8, stride);
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q += 64;
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dc += 4;
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pre += 64;
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dst += 4 * stride;
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eobs += 4;
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}
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}
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void vp8_dequant_idct_add_y_block_neon
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(short *q, short *dq, unsigned char *pre,
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unsigned char *dst, int stride, char *eobs) {
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int i;
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for (i = 0; i < 4; i++) {
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if (((short *)eobs)[0] & 0xfefe)
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idct_dequant_full_2x_neon(q, dq, pre, dst, 16, stride);
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else
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idct_dequant_0_2x_neon(q, dq[0], pre, 16, dst, stride);
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if (((short *)eobs)[1] & 0xfefe)
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idct_dequant_full_2x_neon(q + 32, dq, pre + 8, dst + 8, 16, stride);
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else
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idct_dequant_0_2x_neon(q + 32, dq[0], pre + 8, 16, dst + 8, stride);
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q += 64;
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pre += 64;
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dst += 4 * stride;
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eobs += 4;
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}
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}
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void vp8_dequant_idct_add_uv_block_neon
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(short *q, short *dq, unsigned char *pre,
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unsigned char *dstu, unsigned char *dstv, int stride, char *eobs) {
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if (((short *)eobs)[0] & 0xfefe)
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idct_dequant_full_2x_neon(q, dq, pre, dstu, 8, stride);
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else
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idct_dequant_0_2x_neon(q, dq[0], pre, 8, dstu, stride);
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q += 32;
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pre += 32;
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dstu += 4 * stride;
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if (((short *)eobs)[1] & 0xfefe)
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idct_dequant_full_2x_neon(q, dq, pre, dstu, 8, stride);
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else
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idct_dequant_0_2x_neon(q, dq[0], pre, 8, dstu, stride);
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q += 32;
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pre += 32;
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if (((short *)eobs)[2] & 0xfefe)
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idct_dequant_full_2x_neon(q, dq, pre, dstv, 8, stride);
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else
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idct_dequant_0_2x_neon(q, dq[0], pre, 8, dstv, stride);
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q += 32;
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pre += 32;
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dstv += 4 * stride;
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if (((short *)eobs)[3] & 0xfefe)
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idct_dequant_full_2x_neon(q, dq, pre, dstv, 8, stride);
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else
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idct_dequant_0_2x_neon(q, dq[0], pre, 8, dstv, stride);
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}
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