diff options
Diffstat (limited to 'third_party/aom/aom_dsp/daalaboolwriter.h')
-rw-r--r-- | third_party/aom/aom_dsp/daalaboolwriter.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/daalaboolwriter.h b/third_party/aom/aom_dsp/daalaboolwriter.h new file mode 100644 index 000000000..3848877ce --- /dev/null +++ b/third_party/aom/aom_dsp/daalaboolwriter.h @@ -0,0 +1,78 @@ +/* + * 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. + */ + +#ifndef AOM_AOM_DSP_DAALABOOLWRITER_H_ +#define AOM_AOM_DSP_DAALABOOLWRITER_H_ + +#include <stdio.h> + +#include "aom_dsp/entenc.h" +#include "aom_dsp/prob.h" +#if CONFIG_BITSTREAM_DEBUG +#include "aom_util/debug_util.h" +#endif // CONFIG_BITSTREAM_DEBUG + +#ifdef __cplusplus +extern "C" { +#endif + +struct daala_writer { + unsigned int pos; + uint8_t *buffer; + od_ec_enc ec; + uint8_t allow_update_cdf; +}; + +typedef struct daala_writer daala_writer; + +void aom_daala_start_encode(daala_writer *w, uint8_t *buffer); +int aom_daala_stop_encode(daala_writer *w); + +static INLINE void aom_daala_write(daala_writer *w, int bit, int prob) { + int p = (0x7FFFFF - (prob << 15) + prob) >> 8; +#if CONFIG_BITSTREAM_DEBUG + aom_cdf_prob cdf[2] = { (aom_cdf_prob)p, 32767 }; + /*int queue_r = 0; + int frame_idx_r = 0; + int queue_w = bitstream_queue_get_write(); + int frame_idx_w = bitstream_queue_get_frame_write(); + if (frame_idx_w == frame_idx_r && queue_w == queue_r) { + fprintf(stderr, "\n *** bitstream queue at frame_idx_w %d queue_w %d\n", + frame_idx_w, queue_w); + }*/ + bitstream_queue_push(bit, cdf, 2); +#endif + + od_ec_encode_bool_q15(&w->ec, bit, p); +} + +static INLINE void daala_write_symbol(daala_writer *w, int symb, + const aom_cdf_prob *cdf, int nsymbs) { +#if CONFIG_BITSTREAM_DEBUG + /*int queue_r = 0; + int frame_idx_r = 0; + int queue_w = bitstream_queue_get_write(); + int frame_idx_w = bitstream_queue_get_frame_write(); + if (frame_idx_w == frame_idx_r && queue_w == queue_r) { + fprintf(stderr, "\n *** bitstream queue at frame_idx_w %d queue_w %d\n", + frame_idx_w, queue_w); + }*/ + bitstream_queue_push(symb, cdf, nsymbs); +#endif + + od_ec_encode_cdf_q15(&w->ec, symb, cdf, nsymbs); +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AOM_DSP_DAALABOOLWRITER_H_ |