01f4c71719
top-level *.cc were missed in the original change debug_util.c was checked in with some warnings Change-Id: I72999bf94d734ffc127bf6f96a8d17f9c313d5a0
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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* Copyright (c) 2016 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_util/debug_util.h"
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#include <assert.h>
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#include <stdio.h>
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#if CONFIG_BITSTREAM_DEBUG
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#define QUEUE_MAX_SIZE 2000000
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static int result_queue[QUEUE_MAX_SIZE];
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static int prob_queue[QUEUE_MAX_SIZE];
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static int queue_r = 0;
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static int queue_w = 0;
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static int queue_prev_w = -1;
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static int skip_r = 0;
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static int skip_w = 0;
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void bitstream_queue_set_skip_write(int skip) { skip_w = skip; }
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void bitstream_queue_set_skip_read(int skip) { skip_r = skip; }
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void bitstream_queue_record_write(void) { queue_prev_w = queue_w; }
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void bitstream_queue_reset_write(void) { queue_w = queue_prev_w; }
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int bitstream_queue_get_write(void) { return queue_w; }
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int bitstream_queue_get_read(void) { return queue_r; }
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void bitstream_queue_pop(int *result, int *prob) {
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if (!skip_r) {
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if (queue_w == queue_r) {
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printf("buffer underflow queue_w %d queue_r %d\n", queue_w, queue_r);
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assert(0);
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}
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*result = result_queue[queue_r];
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*prob = prob_queue[queue_r];
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queue_r = (queue_r + 1) % QUEUE_MAX_SIZE;
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}
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}
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void bitstream_queue_push(int result, int prob) {
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if (!skip_w) {
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result_queue[queue_w] = result;
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prob_queue[queue_w] = prob;
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queue_w = (queue_w + 1) % QUEUE_MAX_SIZE;
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if (queue_w == queue_r) {
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printf("buffer overflow queue_w %d queue_r %d\n", queue_w, queue_r);
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assert(0);
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}
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}
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}
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#endif // CONFIG_BITSTREAM_DEBUG
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