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media/libvpx/vp8/common/dequantize.c@ac0c01689b40 (annotated)

media/libvpx/vp8/common/dequantize.c

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/*
michael@0	2	* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0	3	*
michael@0	4	* Use of this source code is governed by a BSD-style license
michael@0	5	* that can be found in the LICENSE file in the root of the source
michael@0	6	* tree. An additional intellectual property rights grant can be found
michael@0	7	* in the file PATENTS. All contributing project authors may
michael@0	8	* be found in the AUTHORS file in the root of the source tree.
michael@0	9	*/
michael@0	10
michael@0	11
michael@0	12	#include "vpx_config.h"
michael@0	13	#include "vp8_rtcd.h"
michael@0	14	#include "vp8/common/blockd.h"
michael@0	15	#include "vpx_mem/vpx_mem.h"
michael@0	16
michael@0	17	void vp8_dequantize_b_c(BLOCKD *d, short *DQC)
michael@0	18	{
michael@0	19	int i;
michael@0	20	short *DQ = d->dqcoeff;
michael@0	21	short *Q = d->qcoeff;
michael@0	22
michael@0	23	for (i = 0; i < 16; i++)
michael@0	24	{
michael@0	25	DQ[i] = Q[i] * DQC[i];
michael@0	26	}
michael@0	27	}
michael@0	28
michael@0	29	void vp8_dequant_idct_add_c(short *input, short *dq,
michael@0	30	unsigned char *dest, int stride)
michael@0	31	{
michael@0	32	int i;
michael@0	33
michael@0	34	for (i = 0; i < 16; i++)
michael@0	35	{
michael@0	36	input[i] = dq[i] * input[i];
michael@0	37	}
michael@0	38
michael@0	39	vp8_short_idct4x4llm_c(input, dest, stride, dest, stride);
michael@0	40
michael@0	41	vpx_memset(input, 0, 32);
michael@0	42
michael@0	43	}