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41 lines
1.7 KiB
C
41 lines
1.7 KiB
C
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#pragma once
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#include "../in_avi/svc_avidecoder.h"
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#include "../in_avi/ifc_aviaudiodecoder.h"
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#include "incs/mp4AudioDecIfc.h"
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// {4033D2BF-F217-4e8e-877B-2269CD04CA52}
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static const GUID avi_aac_guid =
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{ 0x4033d2bf, 0xf217, 0x4e8e, { 0x87, 0x7b, 0x22, 0x69, 0xcd, 0x4, 0xca, 0x52 } };
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class AVIDecoder : public svc_avidecoder
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{
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public:
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static const char *getServiceName() { return "AAC AVI Decoder"; }
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static GUID getServiceGuid() { return avi_aac_guid; }
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int CreateAudioDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, unsigned int preferred_bits, unsigned int max_channels, bool floating_point, ifc_aviaudiodecoder **decoder);
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protected:
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RECVS_DISPATCH;
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};
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class AVIAACDecoder : public ifc_aviaudiodecoder
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{
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public:
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AVIAACDecoder(mp4AudioDecoderHandle decoder, CAccessUnitPtr access_unit, CCompositionUnitPtr composition_unit, unsigned int bps, bool floating_point);
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static AVIAACDecoder *Create(const nsavi::audio_format *stream_format, 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_aviaudiodecoder 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 DecodeChunk(uint16_t type, 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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/* 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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};
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