45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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#pragma once
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#include "../Plugins/Input/in_avi/svc_avidecoder.h"
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#include "../Plugins/Input/in_avi/ifc_aviaudiodecoder.h"
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#include <mpg123.h>
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// {11D89BF5-014E-463a-B284-385FF0662FCC}
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static const GUID avi_mp3_guid =
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{ 0x11d89bf5, 0x14e, 0x463a, { 0xb2, 0x84, 0x38, 0x5f, 0xf0, 0x66, 0x2f, 0xcc } };
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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 "MP3 AVI Decoder"; }
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static GUID getServiceGuid() { return avi_mp3_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 AVIMP3Decoder : public ifc_aviaudiodecoder
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{
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public:
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AVIMP3Decoder(mpg123_handle *mp3, unsigned int bps, unsigned max_channels, bool floating_point);
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~AVIMP3Decoder();
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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 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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private:
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mpg123_handle *mp3;
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unsigned int bits;
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int pregap;
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unsigned int max_channels;
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bool floating_point;
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unsigned int channels;
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float *decode_buffer;
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size_t decode_buffer_length;
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};
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