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author | wolfbeast <mcwerewolf@gmail.com> | 2018-11-07 12:47:12 +0100 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-11-07 12:47:12 +0100 |
commit | 8240fb9c736f91044cabbdde8c537b179fc4921e (patch) | |
tree | 49a4cc8dc683cf955d61b6618ad471860554ccb5 /third_party/aom/aom_dsp/daalaboolreader.c | |
parent | f9e04b54c2ccbc1f8e24b511003de09b4565193c (diff) | |
parent | 5c83a18cde404b5c0c9fba1d35f003d951ea32e2 (diff) | |
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Merge branch 'master' into Pale_Moon-release
# Conflicts:
# application/palemoon/config/version.txt
Diffstat (limited to 'third_party/aom/aom_dsp/daalaboolreader.c')
-rw-r--r-- | third_party/aom/aom_dsp/daalaboolreader.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/daalaboolreader.c b/third_party/aom/aom_dsp/daalaboolreader.c new file mode 100644 index 000000000..6c2259f23 --- /dev/null +++ b/third_party/aom/aom_dsp/daalaboolreader.c @@ -0,0 +1,47 @@ +/* + * 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 "aom_dsp/daalaboolreader.h" + +int aom_daala_reader_init(daala_reader *r, const uint8_t *buffer, int size) { + if (size && !buffer) { + return 1; + } + r->buffer_end = buffer + size; + r->buffer = buffer; + od_ec_dec_init(&r->ec, buffer, size); +#if CONFIG_ACCOUNTING + r->accounting = NULL; +#endif + return 0; +} + +const uint8_t *aom_daala_reader_find_begin(daala_reader *r) { + return r->buffer; +} + +const uint8_t *aom_daala_reader_find_end(daala_reader *r) { + return r->buffer_end; +} + +uint32_t aom_daala_reader_tell(const daala_reader *r) { + return od_ec_dec_tell(&r->ec); +} + +uint32_t aom_daala_reader_tell_frac(const daala_reader *r) { + return od_ec_dec_tell_frac(&r->ec); +} + +int aom_daala_reader_has_overflowed(const daala_reader *r) { + const uint32_t tell_bits = aom_daala_reader_tell(r); + const uint32_t tell_bytes = (tell_bits + 7) >> 3; + return ((ptrdiff_t)tell_bytes > r->buffer_end - r->buffer); +} |