46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#pragma once
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#include "../in_flv/svc_flvdecoder.h"
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#include "../in_flv/FLVAudioHeader.h"
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#include "../in_flv/ifc_flvaudiodecoder.h"
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#include "incs/mp4AudioDecIfc.h"
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// {7FD8F2D0-7490-45fd-B741-BF3F9EEF0BE4}
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static const GUID flv_aac_guid =
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{ 0x7fd8f2d0, 0x7490, 0x45fd, { 0xb7, 0x41, 0xbf, 0x3f, 0x9e, 0xef, 0xb, 0xe4 } };
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class FLVDecoder : public svc_flvdecoder
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{
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public:
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static const char *getServiceName() { return "AAC FLV Decoder"; }
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static GUID getServiceGuid() { return flv_aac_guid; }
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int CreateAudioDecoder(int stereo, int bits, int sample_rate, int format, ifc_flvaudiodecoder **decoder);
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int HandlesAudio(int format_type);
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protected:
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RECVS_DISPATCH;
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};
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class FLVAAC : public ifc_flvaudiodecoder
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{
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public:
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FLVAAC(CAccessUnitPtr access_unit);
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int GetOutputFormat(unsigned int *sample_rate, unsigned int *channels, unsigned int *bits);
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int DecodeSample(const void *input_buffer, size_t input_buffer_bytes, void *samples, size_t *samples_size_bytes, double *bitrate);
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void Flush();
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void Close();
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int Ready();
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void SetPreferences(unsigned int max_channels, unsigned int preferred_bits);
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private:
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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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size_t preDelay;
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bool got_decoder_config;
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protected:
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RECVS_DISPATCH;
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};
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