gecko-dev/third_party/aom/aom_dsp/daalaboolwriter.c
Ralph Giles 4ccc506a5c Bug 1314147 - Import aom library. r=froydnj,kinetik
This is the reference implementation for the Alliance for
Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

MozReview-Commit-ID: 5PFTLbBDRrb

--HG--
extra : rebase_source : a51578e072e47ac03b422d10d9b279a3de5fc216
2017-04-12 14:22:04 -07:00

33 lines
1.1 KiB
C

/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <string.h>
#include "aom_dsp/daalaboolwriter.h"
void aom_daala_start_encode(daala_writer *br, uint8_t *source) {
br->buffer = source;
br->pos = 0;
od_ec_enc_init(&br->ec, 62025);
}
void aom_daala_stop_encode(daala_writer *br) {
uint32_t daala_bytes;
unsigned char *daala_data;
daala_data = od_ec_enc_done(&br->ec, &daala_bytes);
memcpy(br->buffer, daala_data, daala_bytes);
br->pos = daala_bytes;
/* Prevent ec bitstream from being detected as a superframe marker.
Must always be added, so that rawbits knows the exact length of the
bitstream. */
br->buffer[br->pos++] = 0;
od_ec_enc_clear(&br->ec);
}