mirror of
https://github.com/classilla/tenfourfox.git
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746 lines
23 KiB
C
746 lines
23 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 <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "./vpx_config.h"
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#include "./vpx_scale_rtcd.h"
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#include "./vp9_rtcd.h"
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#include "vpx_ports/mem.h"
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#include "vpx_scale/vpx_scale.h"
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#include "vpx_scale/yv12config.h"
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#include "vp9/common/vp9_onyxc_int.h"
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#include "vp9/common/vp9_postproc.h"
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#include "vp9/common/vp9_systemdependent.h"
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#include "vp9/common/vp9_textblit.h"
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#if CONFIG_VP9_POSTPROC
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static const short kernel5[] = {
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1, 1, 4, 1, 1
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};
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const short vp9_rv[] = {
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8, 5, 2, 2, 8, 12, 4, 9, 8, 3,
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0, 3, 9, 0, 0, 0, 8, 3, 14, 4,
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10, 1, 11, 14, 1, 14, 9, 6, 12, 11,
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8, 6, 10, 0, 0, 8, 9, 0, 3, 14,
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8, 11, 13, 4, 2, 9, 0, 3, 9, 6,
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1, 2, 3, 14, 13, 1, 8, 2, 9, 7,
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3, 3, 1, 13, 13, 6, 6, 5, 2, 7,
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11, 9, 11, 8, 7, 3, 2, 0, 13, 13,
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14, 4, 12, 5, 12, 10, 8, 10, 13, 10,
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4, 14, 4, 10, 0, 8, 11, 1, 13, 7,
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7, 14, 6, 14, 13, 2, 13, 5, 4, 4,
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0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
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8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
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3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
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3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
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13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
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5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
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9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
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4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
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3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
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11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
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5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
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0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
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10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
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4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
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0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
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8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
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3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
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3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
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13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
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5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
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9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
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4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
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3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
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11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
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5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
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0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
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10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
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4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
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3, 8, 3, 7, 8, 5, 11, 4, 12, 3,
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11, 9, 14, 8, 14, 13, 4, 3, 1, 2,
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14, 6, 5, 4, 4, 11, 4, 6, 2, 1,
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5, 8, 8, 12, 13, 5, 14, 10, 12, 13,
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0, 9, 5, 5, 11, 10, 13, 9, 10, 13,
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};
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static const uint8_t q_diff_thresh = 20;
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static const uint8_t last_q_thresh = 170;
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void vp9_post_proc_down_and_across_c(const uint8_t *src_ptr,
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uint8_t *dst_ptr,
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int src_pixels_per_line,
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int dst_pixels_per_line,
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int rows,
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int cols,
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int flimit) {
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uint8_t const *p_src;
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uint8_t *p_dst;
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int row, col, i, v, kernel;
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int pitch = src_pixels_per_line;
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uint8_t d[8];
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(void)dst_pixels_per_line;
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for (row = 0; row < rows; row++) {
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/* post_proc_down for one row */
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p_src = src_ptr;
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p_dst = dst_ptr;
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for (col = 0; col < cols; col++) {
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kernel = 4;
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v = p_src[col];
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for (i = -2; i <= 2; i++) {
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if (abs(v - p_src[col + i * pitch]) > flimit)
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goto down_skip_convolve;
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kernel += kernel5[2 + i] * p_src[col + i * pitch];
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}
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v = (kernel >> 3);
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down_skip_convolve:
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p_dst[col] = v;
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}
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/* now post_proc_across */
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p_src = dst_ptr;
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p_dst = dst_ptr;
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for (i = 0; i < 8; i++)
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d[i] = p_src[i];
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for (col = 0; col < cols; col++) {
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kernel = 4;
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v = p_src[col];
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d[col & 7] = v;
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for (i = -2; i <= 2; i++) {
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if (abs(v - p_src[col + i]) > flimit)
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goto across_skip_convolve;
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kernel += kernel5[2 + i] * p_src[col + i];
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}
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d[col & 7] = (kernel >> 3);
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across_skip_convolve:
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if (col >= 2)
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p_dst[col - 2] = d[(col - 2) & 7];
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}
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/* handle the last two pixels */
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p_dst[col - 2] = d[(col - 2) & 7];
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p_dst[col - 1] = d[(col - 1) & 7];
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/* next row */
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src_ptr += pitch;
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dst_ptr += pitch;
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}
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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void vp9_highbd_post_proc_down_and_across_c(const uint16_t *src_ptr,
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uint16_t *dst_ptr,
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int src_pixels_per_line,
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int dst_pixels_per_line,
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int rows,
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int cols,
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int flimit) {
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uint16_t const *p_src;
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uint16_t *p_dst;
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int row, col, i, v, kernel;
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int pitch = src_pixels_per_line;
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uint16_t d[8];
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for (row = 0; row < rows; row++) {
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// post_proc_down for one row.
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p_src = src_ptr;
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p_dst = dst_ptr;
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for (col = 0; col < cols; col++) {
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kernel = 4;
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v = p_src[col];
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for (i = -2; i <= 2; i++) {
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if (abs(v - p_src[col + i * pitch]) > flimit)
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goto down_skip_convolve;
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kernel += kernel5[2 + i] * p_src[col + i * pitch];
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}
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v = (kernel >> 3);
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down_skip_convolve:
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p_dst[col] = v;
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}
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/* now post_proc_across */
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p_src = dst_ptr;
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p_dst = dst_ptr;
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for (i = 0; i < 8; i++)
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d[i] = p_src[i];
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for (col = 0; col < cols; col++) {
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kernel = 4;
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v = p_src[col];
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d[col & 7] = v;
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for (i = -2; i <= 2; i++) {
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if (abs(v - p_src[col + i]) > flimit)
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goto across_skip_convolve;
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kernel += kernel5[2 + i] * p_src[col + i];
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}
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d[col & 7] = (kernel >> 3);
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across_skip_convolve:
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if (col >= 2)
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p_dst[col - 2] = d[(col - 2) & 7];
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}
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/* handle the last two pixels */
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p_dst[col - 2] = d[(col - 2) & 7];
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p_dst[col - 1] = d[(col - 1) & 7];
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/* next row */
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src_ptr += pitch;
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dst_ptr += dst_pixels_per_line;
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}
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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static int q2mbl(int x) {
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if (x < 20) x = 20;
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x = 50 + (x - 50) * 10 / 8;
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return x * x / 3;
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}
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void vp9_mbpost_proc_across_ip_c(uint8_t *src, int pitch,
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int rows, int cols, int flimit) {
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int r, c, i;
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uint8_t *s = src;
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uint8_t d[16];
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for (r = 0; r < rows; r++) {
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int sumsq = 0;
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int sum = 0;
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for (i = -8; i <= 6; i++) {
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sumsq += s[i] * s[i];
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sum += s[i];
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d[i + 8] = 0;
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}
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for (c = 0; c < cols + 8; c++) {
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int x = s[c + 7] - s[c - 8];
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int y = s[c + 7] + s[c - 8];
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sum += x;
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sumsq += x * y;
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d[c & 15] = s[c];
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if (sumsq * 15 - sum * sum < flimit) {
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d[c & 15] = (8 + sum + s[c]) >> 4;
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}
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s[c - 8] = d[(c - 8) & 15];
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}
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s += pitch;
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}
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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void vp9_highbd_mbpost_proc_across_ip_c(uint16_t *src, int pitch,
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int rows, int cols, int flimit) {
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int r, c, i;
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uint16_t *s = src;
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uint16_t d[16];
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for (r = 0; r < rows; r++) {
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int sumsq = 0;
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int sum = 0;
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for (i = -8; i <= 6; i++) {
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sumsq += s[i] * s[i];
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sum += s[i];
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d[i + 8] = 0;
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}
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for (c = 0; c < cols + 8; c++) {
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int x = s[c + 7] - s[c - 8];
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int y = s[c + 7] + s[c - 8];
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sum += x;
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sumsq += x * y;
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d[c & 15] = s[c];
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if (sumsq * 15 - sum * sum < flimit) {
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d[c & 15] = (8 + sum + s[c]) >> 4;
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}
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s[c - 8] = d[(c - 8) & 15];
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}
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s += pitch;
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}
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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void vp9_mbpost_proc_down_c(uint8_t *dst, int pitch,
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int rows, int cols, int flimit) {
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int r, c, i;
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const short *rv3 = &vp9_rv[63 & rand()]; // NOLINT
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for (c = 0; c < cols; c++) {
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uint8_t *s = &dst[c];
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int sumsq = 0;
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int sum = 0;
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uint8_t d[16];
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const short *rv2 = rv3 + ((c * 17) & 127);
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for (i = -8; i <= 6; i++) {
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sumsq += s[i * pitch] * s[i * pitch];
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sum += s[i * pitch];
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}
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for (r = 0; r < rows + 8; r++) {
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sumsq += s[7 * pitch] * s[ 7 * pitch] - s[-8 * pitch] * s[-8 * pitch];
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sum += s[7 * pitch] - s[-8 * pitch];
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d[r & 15] = s[0];
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if (sumsq * 15 - sum * sum < flimit) {
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d[r & 15] = (rv2[r & 127] + sum + s[0]) >> 4;
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}
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s[-8 * pitch] = d[(r - 8) & 15];
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s += pitch;
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}
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}
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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void vp9_highbd_mbpost_proc_down_c(uint16_t *dst, int pitch,
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int rows, int cols, int flimit) {
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int r, c, i;
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const int16_t *rv3 = &vp9_rv[63 & rand()]; // NOLINT
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for (c = 0; c < cols; c++) {
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uint16_t *s = &dst[c];
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int sumsq = 0;
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int sum = 0;
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uint16_t d[16];
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const int16_t *rv2 = rv3 + ((c * 17) & 127);
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for (i = -8; i <= 6; i++) {
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sumsq += s[i * pitch] * s[i * pitch];
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sum += s[i * pitch];
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}
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for (r = 0; r < rows + 8; r++) {
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sumsq += s[7 * pitch] * s[ 7 * pitch] - s[-8 * pitch] * s[-8 * pitch];
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sum += s[7 * pitch] - s[-8 * pitch];
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d[r & 15] = s[0];
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if (sumsq * 15 - sum * sum < flimit) {
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d[r & 15] = (rv2[r & 127] + sum + s[0]) >> 4;
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}
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s[-8 * pitch] = d[(r - 8) & 15];
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s += pitch;
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}
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}
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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static void deblock_and_de_macro_block(YV12_BUFFER_CONFIG *source,
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YV12_BUFFER_CONFIG *post,
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int q,
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int low_var_thresh,
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int flag) {
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double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
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int ppl = (int)(level + .5);
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(void) low_var_thresh;
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(void) flag;
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#if CONFIG_VP9_HIGHBITDEPTH
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if (source->flags & YV12_FLAG_HIGHBITDEPTH) {
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vp9_highbd_post_proc_down_and_across(CONVERT_TO_SHORTPTR(source->y_buffer),
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CONVERT_TO_SHORTPTR(post->y_buffer),
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source->y_stride, post->y_stride,
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source->y_height, source->y_width,
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ppl);
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vp9_highbd_mbpost_proc_across_ip(CONVERT_TO_SHORTPTR(post->y_buffer),
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post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp9_highbd_mbpost_proc_down(CONVERT_TO_SHORTPTR(post->y_buffer),
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post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp9_highbd_post_proc_down_and_across(CONVERT_TO_SHORTPTR(source->u_buffer),
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CONVERT_TO_SHORTPTR(post->u_buffer),
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source->uv_stride, post->uv_stride,
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source->uv_height, source->uv_width,
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ppl);
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vp9_highbd_post_proc_down_and_across(CONVERT_TO_SHORTPTR(source->v_buffer),
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CONVERT_TO_SHORTPTR(post->v_buffer),
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source->uv_stride, post->uv_stride,
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source->uv_height, source->uv_width,
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ppl);
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} else {
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vp9_post_proc_down_and_across(source->y_buffer, post->y_buffer,
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source->y_stride, post->y_stride,
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source->y_height, source->y_width, ppl);
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vp9_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp9_mbpost_proc_down(post->y_buffer, post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp9_post_proc_down_and_across(source->u_buffer, post->u_buffer,
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source->uv_stride, post->uv_stride,
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source->uv_height, source->uv_width, ppl);
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vp9_post_proc_down_and_across(source->v_buffer, post->v_buffer,
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source->uv_stride, post->uv_stride,
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source->uv_height, source->uv_width, ppl);
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}
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#else
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vp9_post_proc_down_and_across(source->y_buffer, post->y_buffer,
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source->y_stride, post->y_stride,
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source->y_height, source->y_width, ppl);
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vp9_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp9_mbpost_proc_down(post->y_buffer, post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp9_post_proc_down_and_across(source->u_buffer, post->u_buffer,
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source->uv_stride, post->uv_stride,
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source->uv_height, source->uv_width, ppl);
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vp9_post_proc_down_and_across(source->v_buffer, post->v_buffer,
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source->uv_stride, post->uv_stride,
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source->uv_height, source->uv_width, ppl);
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#endif // CONFIG_VP9_HIGHBITDEPTH
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}
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void vp9_deblock(const YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
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int q) {
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const int ppl = (int)(6.0e-05 * q * q * q - 0.0067 * q * q + 0.306 * q
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+ 0.0065 + 0.5);
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int i;
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const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
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const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
|
|
const int src_widths[3] = {src->y_width, src->uv_width, src->uv_width};
|
|
const int src_heights[3] = {src->y_height, src->uv_height, src->uv_height};
|
|
|
|
uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
|
|
const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
|
|
|
|
for (i = 0; i < MAX_MB_PLANE; ++i) {
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
assert((src->flags & YV12_FLAG_HIGHBITDEPTH) ==
|
|
(dst->flags & YV12_FLAG_HIGHBITDEPTH));
|
|
if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
|
|
vp9_highbd_post_proc_down_and_across(CONVERT_TO_SHORTPTR(srcs[i]),
|
|
CONVERT_TO_SHORTPTR(dsts[i]),
|
|
src_strides[i], dst_strides[i],
|
|
src_heights[i], src_widths[i], ppl);
|
|
} else {
|
|
vp9_post_proc_down_and_across(srcs[i], dsts[i],
|
|
src_strides[i], dst_strides[i],
|
|
src_heights[i], src_widths[i], ppl);
|
|
}
|
|
#else
|
|
vp9_post_proc_down_and_across(srcs[i], dsts[i],
|
|
src_strides[i], dst_strides[i],
|
|
src_heights[i], src_widths[i], ppl);
|
|
#endif // CONFIG_VP9_HIGHBITDEPTH
|
|
}
|
|
}
|
|
|
|
void vp9_denoise(const YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
|
|
int q) {
|
|
const int ppl = (int)(6.0e-05 * q * q * q - 0.0067 * q * q + 0.306 * q
|
|
+ 0.0065 + 0.5);
|
|
int i;
|
|
|
|
const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
|
|
const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
|
|
const int src_widths[3] = {src->y_width, src->uv_width, src->uv_width};
|
|
const int src_heights[3] = {src->y_height, src->uv_height, src->uv_height};
|
|
|
|
uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
|
|
const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
|
|
|
|
for (i = 0; i < MAX_MB_PLANE; ++i) {
|
|
const int src_stride = src_strides[i];
|
|
const int src_width = src_widths[i] - 4;
|
|
const int src_height = src_heights[i] - 4;
|
|
const int dst_stride = dst_strides[i];
|
|
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
assert((src->flags & YV12_FLAG_HIGHBITDEPTH) ==
|
|
(dst->flags & YV12_FLAG_HIGHBITDEPTH));
|
|
if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
|
|
const uint16_t *const src_plane = CONVERT_TO_SHORTPTR(
|
|
srcs[i] + 2 * src_stride + 2);
|
|
uint16_t *const dst_plane = CONVERT_TO_SHORTPTR(
|
|
dsts[i] + 2 * dst_stride + 2);
|
|
vp9_highbd_post_proc_down_and_across(src_plane, dst_plane, src_stride,
|
|
dst_stride, src_height, src_width,
|
|
ppl);
|
|
} else {
|
|
const uint8_t *const src_plane = srcs[i] + 2 * src_stride + 2;
|
|
uint8_t *const dst_plane = dsts[i] + 2 * dst_stride + 2;
|
|
|
|
vp9_post_proc_down_and_across(src_plane, dst_plane, src_stride,
|
|
dst_stride, src_height, src_width, ppl);
|
|
}
|
|
#else
|
|
const uint8_t *const src_plane = srcs[i] + 2 * src_stride + 2;
|
|
uint8_t *const dst_plane = dsts[i] + 2 * dst_stride + 2;
|
|
vp9_post_proc_down_and_across(src_plane, dst_plane, src_stride, dst_stride,
|
|
src_height, src_width, ppl);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static double gaussian(double sigma, double mu, double x) {
|
|
return 1 / (sigma * sqrt(2.0 * 3.14159265)) *
|
|
(exp(-(x - mu) * (x - mu) / (2 * sigma * sigma)));
|
|
}
|
|
|
|
static void fillrd(struct postproc_state *state, int q, int a) {
|
|
char char_dist[300];
|
|
|
|
double sigma;
|
|
int ai = a, qi = q, i;
|
|
|
|
vp9_clear_system_state();
|
|
|
|
sigma = ai + .5 + .6 * (63 - qi) / 63.0;
|
|
|
|
/* set up a lookup table of 256 entries that matches
|
|
* a gaussian distribution with sigma determined by q.
|
|
*/
|
|
{
|
|
int next, j;
|
|
|
|
next = 0;
|
|
|
|
for (i = -32; i < 32; i++) {
|
|
int a_i = (int)(0.5 + 256 * gaussian(sigma, 0, i));
|
|
|
|
if (a_i) {
|
|
for (j = 0; j < a_i; j++) {
|
|
char_dist[next + j] = (char) i;
|
|
}
|
|
|
|
next = next + j;
|
|
}
|
|
}
|
|
|
|
for (; next < 256; next++)
|
|
char_dist[next] = 0;
|
|
}
|
|
|
|
for (i = 0; i < 3072; i++) {
|
|
state->noise[i] = char_dist[rand() & 0xff]; // NOLINT
|
|
}
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
state->blackclamp[i] = -char_dist[0];
|
|
state->whiteclamp[i] = -char_dist[0];
|
|
state->bothclamp[i] = -2 * char_dist[0];
|
|
}
|
|
|
|
state->last_q = q;
|
|
state->last_noise = a;
|
|
}
|
|
|
|
void vp9_plane_add_noise_c(uint8_t *start, char *noise,
|
|
char blackclamp[16],
|
|
char whiteclamp[16],
|
|
char bothclamp[16],
|
|
unsigned int width, unsigned int height, int pitch) {
|
|
unsigned int i, j;
|
|
|
|
// TODO(jbb): why does simd code use both but c doesn't, normalize and
|
|
// fix..
|
|
(void) bothclamp;
|
|
for (i = 0; i < height; i++) {
|
|
uint8_t *pos = start + i * pitch;
|
|
char *ref = (char *)(noise + (rand() & 0xff)); // NOLINT
|
|
|
|
for (j = 0; j < width; j++) {
|
|
if (pos[j] < blackclamp[0])
|
|
pos[j] = blackclamp[0];
|
|
|
|
if (pos[j] > 255 + whiteclamp[0])
|
|
pos[j] = 255 + whiteclamp[0];
|
|
|
|
pos[j] += ref[j];
|
|
}
|
|
}
|
|
}
|
|
|
|
static void swap_mi_and_prev_mi(VP9_COMMON *cm) {
|
|
// Current mip will be the prev_mip for the next frame.
|
|
MODE_INFO *temp = cm->postproc_state.prev_mip;
|
|
cm->postproc_state.prev_mip = cm->mip;
|
|
cm->mip = temp;
|
|
|
|
// Update the upper left visible macroblock ptrs.
|
|
cm->mi = cm->mip + cm->mi_stride + 1;
|
|
cm->postproc_state.prev_mi = cm->postproc_state.prev_mip + cm->mi_stride + 1;
|
|
}
|
|
|
|
int vp9_post_proc_frame(struct VP9Common *cm,
|
|
YV12_BUFFER_CONFIG *dest, vp9_ppflags_t *ppflags) {
|
|
const int q = MIN(105, cm->lf.filter_level * 2);
|
|
const int flags = ppflags->post_proc_flag;
|
|
YV12_BUFFER_CONFIG *const ppbuf = &cm->post_proc_buffer;
|
|
struct postproc_state *const ppstate = &cm->postproc_state;
|
|
|
|
if (!cm->frame_to_show)
|
|
return -1;
|
|
|
|
if (!flags) {
|
|
*dest = *cm->frame_to_show;
|
|
return 0;
|
|
}
|
|
|
|
vp9_clear_system_state();
|
|
|
|
// Alloc memory for prev_mip in the first frame.
|
|
if (cm->current_video_frame == 1) {
|
|
cm->postproc_state.last_base_qindex = cm->base_qindex;
|
|
cm->postproc_state.last_frame_valid = 1;
|
|
ppstate->prev_mip = vpx_calloc(cm->mi_alloc_size, sizeof(*cm->mip));
|
|
if (!ppstate->prev_mip) {
|
|
return 1;
|
|
}
|
|
ppstate->prev_mi = ppstate->prev_mip + cm->mi_stride + 1;
|
|
memset(ppstate->prev_mip, 0,
|
|
cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mip));
|
|
}
|
|
|
|
// Allocate post_proc_buffer_int if needed.
|
|
if ((flags & VP9D_MFQE) && !cm->post_proc_buffer_int.buffer_alloc) {
|
|
if ((flags & VP9D_DEMACROBLOCK) || (flags & VP9D_DEBLOCK)) {
|
|
const int width = ALIGN_POWER_OF_TWO(cm->width, 4);
|
|
const int height = ALIGN_POWER_OF_TWO(cm->height, 4);
|
|
|
|
if (vp9_alloc_frame_buffer(&cm->post_proc_buffer_int, width, height,
|
|
cm->subsampling_x, cm->subsampling_y,
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
cm->use_highbitdepth,
|
|
#endif // CONFIG_VP9_HIGHBITDEPTH
|
|
VP9_ENC_BORDER_IN_PIXELS,
|
|
cm->byte_alignment) < 0) {
|
|
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
|
|
"Failed to allocate MFQE framebuffer");
|
|
}
|
|
|
|
// Ensure that postproc is set to all 0s so that post proc
|
|
// doesn't pull random data in from edge.
|
|
memset(cm->post_proc_buffer_int.buffer_alloc, 128,
|
|
cm->post_proc_buffer.frame_size);
|
|
}
|
|
}
|
|
|
|
if (vp9_realloc_frame_buffer(&cm->post_proc_buffer, cm->width, cm->height,
|
|
cm->subsampling_x, cm->subsampling_y,
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
cm->use_highbitdepth,
|
|
#endif
|
|
VP9_DEC_BORDER_IN_PIXELS, cm->byte_alignment,
|
|
NULL, NULL, NULL) < 0)
|
|
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
|
|
"Failed to allocate post-processing buffer");
|
|
|
|
if ((flags & VP9D_MFQE) && cm->current_video_frame >= 2 &&
|
|
cm->postproc_state.last_frame_valid && cm->bit_depth == 8 &&
|
|
cm->postproc_state.last_base_qindex <= last_q_thresh &&
|
|
cm->base_qindex - cm->postproc_state.last_base_qindex >= q_diff_thresh) {
|
|
vp9_mfqe(cm);
|
|
// TODO(jackychen): Consider whether enable deblocking by default
|
|
// if mfqe is enabled. Need to take both the quality and the speed
|
|
// into consideration.
|
|
if ((flags & VP9D_DEMACROBLOCK) || (flags & VP9D_DEBLOCK)) {
|
|
vp8_yv12_copy_frame(ppbuf, &cm->post_proc_buffer_int);
|
|
}
|
|
if ((flags & VP9D_DEMACROBLOCK) && cm->post_proc_buffer_int.buffer_alloc) {
|
|
deblock_and_de_macro_block(&cm->post_proc_buffer_int, ppbuf,
|
|
q + (ppflags->deblocking_level - 5) * 10,
|
|
1, 0);
|
|
} else if (flags & VP9D_DEBLOCK) {
|
|
vp9_deblock(&cm->post_proc_buffer_int, ppbuf, q);
|
|
} else {
|
|
vp8_yv12_copy_frame(&cm->post_proc_buffer_int, ppbuf);
|
|
}
|
|
} else if (flags & VP9D_DEMACROBLOCK) {
|
|
deblock_and_de_macro_block(cm->frame_to_show, ppbuf,
|
|
q + (ppflags->deblocking_level - 5) * 10, 1, 0);
|
|
} else if (flags & VP9D_DEBLOCK) {
|
|
vp9_deblock(cm->frame_to_show, ppbuf, q);
|
|
} else {
|
|
vp8_yv12_copy_frame(cm->frame_to_show, ppbuf);
|
|
}
|
|
|
|
cm->postproc_state.last_base_qindex = cm->base_qindex;
|
|
cm->postproc_state.last_frame_valid = 1;
|
|
|
|
if (flags & VP9D_ADDNOISE) {
|
|
const int noise_level = ppflags->noise_level;
|
|
if (ppstate->last_q != q ||
|
|
ppstate->last_noise != noise_level) {
|
|
fillrd(ppstate, 63 - q, noise_level);
|
|
}
|
|
|
|
vp9_plane_add_noise(ppbuf->y_buffer, ppstate->noise, ppstate->blackclamp,
|
|
ppstate->whiteclamp, ppstate->bothclamp,
|
|
ppbuf->y_width, ppbuf->y_height, ppbuf->y_stride);
|
|
}
|
|
|
|
*dest = *ppbuf;
|
|
|
|
/* handle problem with extending borders */
|
|
dest->y_width = cm->width;
|
|
dest->y_height = cm->height;
|
|
dest->uv_width = dest->y_width >> cm->subsampling_x;
|
|
dest->uv_height = dest->y_height >> cm->subsampling_y;
|
|
|
|
swap_mi_and_prev_mi(cm);
|
|
return 0;
|
|
}
|
|
#endif // CONFIG_VP9_POSTPROC
|