aacbitstream.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_PROAV
#include <cstdint>
#include <promeki/namespace.h>
#include <promeki/buffer.h>
#include <promeki/bufferview.h>
#include <promeki/error.h>
#include <promeki/audiodesc.h>
 
PROMEKI_NAMESPACE_BEGIN
 
struct AacDecoderConfig {
                uint8_t audioObjectType = 2;        
 
                uint8_t samplingFrequencyIndex = 0;
 
                uint32_t samplingFrequency = 0;
 
                uint8_t channelConfiguration = 0;
 
                bool sbr = false;
 
                bool ps = false;
 
                uint8_t extensionSamplingFrequencyIndex = 0;
 
                uint32_t extensionSamplingFrequency = 0;
 
                Buffer rawConfig;
 
                static Error parse(const BufferView &payload, AacDecoderConfig &out);
 
                Error serialize(Buffer &out) const;
 
                static AacDecoderConfig fromAudioDesc(const AudioDesc &desc);
 
                AudioDesc toAudioDesc() const;
 
                static uint32_t indexToFrequency(uint8_t index);
 
                static uint8_t  frequencyToIndex(uint32_t hz);
};
 
class AdtsParser {
        public:
                static Error strip(const BufferView &in, Buffer &outRaw, AacDecoderConfig &outCfg);
 
                static bool isAdts(const BufferView &in);
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_PROAV