ec3_audio_util.h

// Copyright 2016 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
//
// Enhanced AC3 audio utility functions.
 
#ifndef PACKAGER_MEDIA_CODECS_EC3_AUDIO_UTIL_H_
#define PACKAGER_MEDIA_CODECS_EC3_AUDIO_UTIL_H_
 
#include <cstddef>
#include <cstdint>
#include <vector>
 
namespace shaka {
namespace media {
 
bool CalculateEC3ChannelMap(const std::vector<uint8_t>& ec3_data,
                            uint32_t* channel_map);
 
size_t GetEc3NumChannels(const std::vector<uint8_t>& ec3_data);
 
bool CalculateEC3ChannelMPEGValue(const std::vector<uint8_t>& ec3_data,
                                  uint32_t* ec3_channel_mpeg_value);
 
bool GetEc3JocComplexity(const std::vector<uint8_t>& ec3_data,
                         uint32_t* ec3_joc_complexity);
 
}  // namespace media
}  // namespace shaka
 
#endif  // PACKAGER_MEDIA_CODECS_EC3_AUDIO_UTIL_H_