vpx/vpx_dsp/bitwriter.c
Yaowu Xu 1fcef81cb0 Remove vp9_ prefix from bit writer files
Change-Id: I07647c7482b9ec498fbad3a9c9901f72b2336500
2015-07-20 11:20:03 -07:00

35 lines
907 B
C

/*
* 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 <assert.h>
#include "./bitwriter.h"
void vp9_start_encode(vp9_writer *br, uint8_t *source) {
br->lowvalue = 0;
br->range = 255;
br->count = -24;
br->buffer = source;
br->pos = 0;
vp9_write_bit(br, 0);
}
void vp9_stop_encode(vp9_writer *br) {
int i;
for (i = 0; i < 32; i++)
vp9_write_bit(br, 0);
// Ensure there's no ambigous collision with any index marker bytes
if ((br->buffer[br->pos - 1] & 0xe0) == 0xc0)
br->buffer[br->pos++] = 0;
}