32 lines
885 B
C
32 lines
885 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 vpx_start_encode(vpx_writer *br, uint8_t *source) {
|
|
br->lowvalue = 0;
|
|
br->range = 255;
|
|
br->count = -24;
|
|
br->buffer = source;
|
|
br->pos = 0;
|
|
vpx_write_bit(br, 0);
|
|
}
|
|
|
|
void vpx_stop_encode(vpx_writer *br) {
|
|
int i;
|
|
|
|
for (i = 0; i < 32; i++) vpx_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;
|
|
}
|