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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
commit | 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch) | |
tree | 45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/aom_dsp/entdec.h | |
parent | 50f1986697a7412e4160976fa5e11217b4ef1f44 (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/aom_dsp/entdec.h')
-rw-r--r-- | third_party/aom/aom_dsp/entdec.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/third_party/aom/aom_dsp/entdec.h b/third_party/aom/aom_dsp/entdec.h deleted file mode 100644 index 283bf1831..000000000 --- a/third_party/aom/aom_dsp/entdec.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (c) 2001-2016, 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. - */ - -#ifndef AOM_AOM_DSP_ENTDEC_H_ -#define AOM_AOM_DSP_ENTDEC_H_ -#include <limits.h> -#include "aom_dsp/entcode.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct od_ec_dec od_ec_dec; - -#if defined(OD_ACCOUNTING) && OD_ACCOUNTING -#define OD_ACC_STR , char *acc_str -#define od_ec_dec_bits(dec, ftb, str) od_ec_dec_bits_(dec, ftb, str) -#else -#define OD_ACC_STR -#define od_ec_dec_bits(dec, ftb, str) od_ec_dec_bits_(dec, ftb) -#endif - -/*The entropy decoder context.*/ -struct od_ec_dec { - /*The start of the current input buffer.*/ - const unsigned char *buf; - /*An offset used to keep track of tell after reaching the end of the stream. - This is constant throughout most of the decoding process, but becomes - important once we hit the end of the buffer and stop incrementing pointers - (and instead pretend cnt has lots of bits).*/ - int32_t tell_offs; - /*The end of the current input buffer.*/ - const unsigned char *end; - /*The read pointer for the entropy-coded bits.*/ - const unsigned char *bptr; - /*The difference between the high end of the current range, (low + rng), and - the coded value, minus 1. - This stores up to OD_EC_WINDOW_SIZE bits of that difference, but the - decoder only uses the top 16 bits of the window to decode the next symbol. - As we shift up during renormalization, if we don't have enough bits left in - the window to fill the top 16, we'll read in more bits of the coded - value.*/ - od_ec_window dif; - /*The number of values in the current range.*/ - uint16_t rng; - /*The number of bits of data in the current value.*/ - int16_t cnt; - /*Nonzero if an error occurred.*/ - int error; -}; - -/*See entdec.c for further documentation.*/ - -void od_ec_dec_init(od_ec_dec *dec, const unsigned char *buf, uint32_t storage) - OD_ARG_NONNULL(1) OD_ARG_NONNULL(2); - -OD_WARN_UNUSED_RESULT int od_ec_decode_bool_q15(od_ec_dec *dec, unsigned f) - OD_ARG_NONNULL(1); -OD_WARN_UNUSED_RESULT int od_ec_decode_cdf_q15(od_ec_dec *dec, - const uint16_t *cdf, int nsyms) - OD_ARG_NONNULL(1) OD_ARG_NONNULL(2); - -OD_WARN_UNUSED_RESULT uint32_t od_ec_dec_bits_(od_ec_dec *dec, unsigned ftb) - OD_ARG_NONNULL(1); - -OD_WARN_UNUSED_RESULT int od_ec_dec_tell(const od_ec_dec *dec) - OD_ARG_NONNULL(1); -OD_WARN_UNUSED_RESULT uint32_t od_ec_dec_tell_frac(const od_ec_dec *dec) - OD_ARG_NONNULL(1); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // AOM_AOM_DSP_ENTDEC_H_ |