49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#pragma once
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#include "../Plugins/Input/in_mkv/svc_mkvdecoder.h"
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#include "../Plugins/Input/in_mkv/ifc_mkvaudiodecoder.h"
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#include <mpg123.h>
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// {A08A5A0C-DEF7-4604-9F35-D5A5E9B1F4DF}
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static const GUID mkv_mp3_guid =
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{ 0xa08a5a0c, 0xdef7, 0x4604, { 0x9f, 0x35, 0xd5, 0xa5, 0xe9, 0xb1, 0xf4, 0xdf } };
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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 "MP3 MKV Decoder"; }
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static GUID getServiceGuid() { return mkv_mp3_guid; }
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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 MKVMP3Decoder : public ifc_mkvaudiodecoder
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{
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public:
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MKVMP3Decoder(mpg123_handle *mp3, unsigned int bps, unsigned max_channels, bool floating_point);
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~MKVMP3Decoder();
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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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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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unsigned int channels;
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unsigned int sample_rate;
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bool floating_point;
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bool _UpdateProperties();
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float *decode_buffer;
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size_t decode_buffer_length;
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}; |