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author | hkuang <hkuang@google.com> | 2013-11-07 15:50:31 -0800 |
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committer | hkuang <hkuang@google.com> | 2013-11-08 11:40:06 -0800 |
commit | 5ae7ac49f08a179e4f054d99fcfc9dce78d26e58 (patch) | |
tree | 0d891d2cbbac4c3da6fd15a25bf8797b29b31994 /libvpx/vp9/decoder/vp9_idct_blk.c | |
parent | e6eeaaa14ccef4c0938fcce21c54979204041a30 (diff) | |
download | android_external_libvpx-5ae7ac49f08a179e4f054d99fcfc9dce78d26e58.tar.gz android_external_libvpx-5ae7ac49f08a179e4f054d99fcfc9dce78d26e58.tar.bz2 android_external_libvpx-5ae7ac49f08a179e4f054d99fcfc9dce78d26e58.zip |
Roll latest libvpx into Android.
The lastest libvpx just added multithread tile decoding support.
Checkout is from master: abdefeaa89a0908327518e5ca75c935c66b2e1aa
Bug:11576718
Change-Id: Icbe5430633e179b8dc6d419e280ad7ebd3cad4a0
Diffstat (limited to 'libvpx/vp9/decoder/vp9_idct_blk.c')
-rw-r--r-- | libvpx/vp9/decoder/vp9_idct_blk.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/libvpx/vp9/decoder/vp9_idct_blk.c b/libvpx/vp9/decoder/vp9_idct_blk.c deleted file mode 100644 index 395e636..0000000 --- a/libvpx/vp9/decoder/vp9_idct_blk.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * 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" -#include "vp9/decoder/vp9_idct_blk.h" - -static void add_constant_residual(const int16_t diff, uint8_t *dest, int stride, - int width, int height) { - int r, c; - - for (r = 0; r < height; r++) { - for (c = 0; c < width; c++) - dest[c] = clip_pixel(diff + dest[c]); - - dest += stride; - } -} - -void vp9_add_constant_residual_8x8_c(const int16_t diff, uint8_t *dest, - int stride) { - add_constant_residual(diff, dest, stride, 8, 8); -} - -void vp9_add_constant_residual_16x16_c(const int16_t diff, uint8_t *dest, - int stride) { - add_constant_residual(diff, dest, stride, 16, 16); -} - -void vp9_add_constant_residual_32x32_c(const int16_t diff, uint8_t *dest, - int stride) { - add_constant_residual(diff, dest, stride, 32, 32); -} - -void vp9_iht_add_c(TX_TYPE tx_type, int16_t *input, uint8_t *dest, int stride, - int eob) { - if (tx_type == DCT_DCT) { - vp9_idct_add(input, dest, stride, eob); - } else { - vp9_short_iht4x4_add(input, dest, stride, tx_type); - vpx_memset(input, 0, 32); - } -} - -void vp9_iht_add_8x8_c(TX_TYPE tx_type, int16_t *input, uint8_t *dest, - int stride, int eob) { - if (tx_type == DCT_DCT) { - vp9_idct_add_8x8(input, dest, stride, eob); - } else { - if (eob > 0) { - vp9_short_iht8x8_add(input, dest, stride, tx_type); - vpx_memset(input, 0, 128); - } - } -} - -void vp9_idct_add_c(int16_t *input, uint8_t *dest, int stride, int eob) { - if (eob > 1) { - vp9_short_idct4x4_add(input, dest, stride); - vpx_memset(input, 0, 32); - } else { - vp9_short_idct4x4_1_add(input, dest, stride); - ((int *)input)[0] = 0; - } -} - -void vp9_idct_add_lossless_c(int16_t *input, uint8_t *dest, int stride, - int eob) { - if (eob > 1) { - vp9_short_iwalsh4x4_add(input, dest, stride); - vpx_memset(input, 0, 32); - } else { - vp9_short_iwalsh4x4_1_add_c(input, dest, stride); - ((int *)input)[0] = 0; - } -} - -void vp9_idct_add_8x8_c(int16_t *input, uint8_t *dest, int stride, int eob) { - // If dc is 1, then input[0] is the reconstructed value, do not need - // dequantization. Also, when dc is 1, dc is counted in eobs, namely eobs >=1. - - // The calculation can be simplified if there are not many non-zero dct - // coefficients. Use eobs to decide what to do. - // TODO(yunqingwang): "eobs = 1" case is also handled in vp9_short_idct8x8_c. - // Combine that with code here. - if (eob) { - if (eob == 1) { - // DC only DCT coefficient - vp9_short_idct8x8_1_add(input, dest, stride); - input[0] = 0; - } else if (eob <= 10) { - vp9_short_idct10_8x8_add(input, dest, stride); - vpx_memset(input, 0, 128); - } else { - vp9_short_idct8x8_add(input, dest, stride); - vpx_memset(input, 0, 128); - } - } -} - -void vp9_iht_add_16x16_c(TX_TYPE tx_type, int16_t *input, uint8_t *dest, - int stride, int eob) { - if (tx_type == DCT_DCT) { - vp9_idct_add_16x16(input, dest, stride, eob); - } else { - if (eob > 0) { - vp9_short_iht16x16_add(input, dest, stride, tx_type); - vpx_memset(input, 0, 512); - } - } -} - -void vp9_idct_add_16x16_c(int16_t *input, uint8_t *dest, int stride, int eob) { - /* The calculation can be simplified if there are not many non-zero dct - * coefficients. Use eobs to separate different cases. */ - if (eob) { - if (eob == 1) { - /* DC only DCT coefficient. */ - vp9_short_idct16x16_1_add(input, dest, stride); - input[0] = 0; - } else if (eob <= 10) { - vp9_short_idct10_16x16_add(input, dest, stride); - vpx_memset(input, 0, 512); - } else { - vp9_short_idct16x16_add(input, dest, stride); - vpx_memset(input, 0, 512); - } - } -} - -void vp9_idct_add_32x32_c(int16_t *input, uint8_t *dest, int stride, int eob) { - DECLARE_ALIGNED_ARRAY(16, int16_t, output, 1024); - - if (eob) { - if (eob == 1) { - vp9_short_idct1_32x32(input, output); - vp9_add_constant_residual_32x32(output[0], dest, stride); - input[0] = 0; - } else { - vp9_short_idct32x32_add(input, dest, stride); - vpx_memset(input, 0, 2048); - } - } -} - |