48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
#pragma once
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#include "../in_mkv/ifc_mkvaudiodecoder.h"
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#include "incs/mp4AudioDecIfc.h"
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#include "../nsmkv/Tracks.h"
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#include "../in_mkv/svc_mkvdecoder.h"
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// {7405C1CE-6CD6-4975-B22B-8DBABAA64C44}
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static const GUID AACMKVGUID =
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{ 0x7405c1ce, 0x6cd6, 0x4975, { 0xb2, 0x2b, 0x8d, 0xba, 0xba, 0xa6, 0x4c, 0x44 } };
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class MKVDecoder : public svc_mkvdecoder
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{
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public:
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static const char *getServiceName() { return "AAC MKV Decoder"; }
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static GUID getServiceGuid() { return AACMKVGUID; }
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int CreateAudioDecoder(const char *codec_id, const nsmkv::TrackEntryData *track_entry_data, const nsmkv::AudioData *audio_data, unsigned int preferred_bits, unsigned int preferred_channels, bool floating_point, ifc_mkvaudiodecoder **decoder);
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protected:
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RECVS_DISPATCH;
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};
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class MKVAACDecoder : public ifc_mkvaudiodecoder
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{
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public:
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static MKVAACDecoder *Create(const nsmkv::TrackEntryData *track_entry_data, const nsmkv::AudioData *audio_data, unsigned int preferred_bits, unsigned int max_channels, bool floating_point);
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protected:
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RECVS_DISPATCH;
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private:
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/* ifc_mkvaudiodecoder implementation */
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int OutputFrameSize(size_t *frame_size);
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int GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat);
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int DecodeBlock(void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes);
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void Flush();
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void Close();
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private:
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MKVAACDecoder(mp4AudioDecoderHandle decoder, CAccessUnitPtr access_unit, CCompositionUnitPtr composition_unit, unsigned int bps, bool floating_point);
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/* internal implementation */
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/* data */
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mp4AudioDecoderHandle decoder;
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CCompositionUnitPtr composition_unit; /* output */
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CAccessUnitPtr access_unit; /* input */
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unsigned int bps;
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bool floating_point;
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}; |