14c9fce8e4
Fix code for following warnings: -Wimplicit-function-declaration -Wuninitialized -Wunused-but-set-variable -Wunused-variable Change-Id: I2be434f22fdecb903198e8b0711255b4c1a2947a
47 lines
1.6 KiB
C
47 lines
1.6 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 "vp8/common/loopfilter.h"
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#include "vpx_scale/yv12config.h"
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extern void vp8_memcpy_partial_neon(unsigned char *dst_ptr,
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unsigned char *src_ptr,
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int sz);
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void vp8_yv12_copy_partial_frame_neon(YV12_BUFFER_CONFIG *src_ybc,
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YV12_BUFFER_CONFIG *dst_ybc)
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{
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unsigned char *src_y, *dst_y;
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int yheight;
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int ystride;
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int yoffset;
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int linestocopy;
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yheight = src_ybc->y_height;
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ystride = src_ybc->y_stride;
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/* number of MB rows to use in partial filtering */
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linestocopy = (yheight >> 4) / PARTIAL_FRAME_FRACTION;
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linestocopy = linestocopy ? linestocopy << 4 : 16; /* 16 lines per MB */
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/* Copy extra 4 so that full filter context is available if filtering done
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* on the copied partial frame and not original. Partial filter does mb
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* filtering for top row also, which can modify3 pixels above.
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*/
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linestocopy += 4;
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/* partial image starts at ~middle of frame (macroblock border) */
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yoffset = ystride * (((yheight >> 5) * 16) - 4);
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src_y = src_ybc->y_buffer + yoffset;
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dst_y = dst_ybc->y_buffer + yoffset;
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vp8_memcpy_partial_neon(dst_y, src_y, ystride * linestocopy);
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}
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