ref: 2157d613c56095de9ec442376b6386ba9fc0e584
dir: /vpx_dsp/bitwriter.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" #if CONFIG_BITSTREAM_DEBUG #include "vpx_util/vpx_debug_util.h" #endif 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; #if CONFIG_BITSTREAM_DEBUG bitstream_queue_set_skip_write(1); #endif 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; #if CONFIG_BITSTREAM_DEBUG bitstream_queue_set_skip_write(0); #endif }