| /* |
| * 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_UTIL_DEBUG_UTIL_H_ |
| #define AOM_UTIL_DEBUG_UTIL_H_ |
| |
| #include "./aom_config.h" |
| #if CONFIG_DAALA_EC |
| #include "aom_dsp/prob.h" |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* This is a debug tool used to detect bitstream error. On encoder side, it |
| * pushes each bit and probability into a queue before the bit is written into |
| * the Arithmetic coder. On decoder side, whenever a bit is read out from the |
| * Arithmetic coder, it pops out the reference bit and probability from the |
| * queue as well. If the two results do not match, this debug tool will report |
| * an error. This tool can be used to pin down the bitstream error precisely. |
| * By combining gdb's backtrace method, we can detect which module causes the |
| * bitstream error. */ |
| int bitstream_queue_get_write(void); |
| int bitstream_queue_get_read(void); |
| void bitstream_queue_record_write(void); |
| void bitstream_queue_reset_write(void); |
| #if CONFIG_DAALA_EC |
| void bitstream_queue_pop(int *result, aom_cdf_prob *cdf, int *nsymbs); |
| void bitstream_queue_push(int result, const aom_cdf_prob *cdf, int nsymbs); |
| #else |
| void bitstream_queue_pop(int *result, int *prob); |
| void bitstream_queue_push(int result, int prob); |
| #endif |
| void bitstream_queue_set_skip_write(int skip); |
| void bitstream_queue_set_skip_read(int skip); |
| void bitstream_queue_set_frame_write(int frame_idx); |
| int bitstream_queue_get_frame_write(void); |
| void bitstream_queue_set_frame_read(int frame_idx); |
| int bitstream_queue_get_frame_read(void); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_UTIL_DEBUG_UTIL_H_ |