65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
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#pragma once
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#include "../in_mkv/svc_mkvdecoder.h"
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#include "../in_mkv/ifc_mkvaudiodecoder.h"
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#include <FLAC/all.h>
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// {F6AF0AD9-608F-4206-892F-765412574A7D}
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static const GUID FLACMKVGUID =
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{ 0xf6af0ad9, 0x608f, 0x4206, { 0x89, 0x2f, 0x76, 0x54, 0x12, 0x57, 0x4a, 0x7d } };
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class packet_client_data_s
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{
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public:
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const uint8_t *buffer;
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size_t buffer_length;
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void *outputBuffer;
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size_t *outputBufferBytes;
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uint32_t frame_size;
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uint32_t bps;
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uint32_t bytes_per_sample;
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uint32_t channels;
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uint32_t sample_rate;
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uint64_t samples;
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};
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typedef packet_client_data_s *packet_client_data_t;
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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 "FLAC MKV Decoder"; }
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static GUID getServiceGuid() { return FLACMKVGUID; }
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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 MKVFLACDecoder : public ifc_mkvaudiodecoder
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{
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public:
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static MKVFLACDecoder *Create(const nsmkv::TrackEntryData *track_entry_data, const nsmkv::AudioData *audio_data, unsigned int preferred_bits, unsigned int max_channels);
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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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MKVFLACDecoder(FLAC__StreamDecoder *decoder, packet_client_data_t packet, unsigned int bps);
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~MKVFLACDecoder();
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/* internal implementation */
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/* data */
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FLAC__StreamDecoder *decoder;
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unsigned int bps;
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packet_client_data_t packet;
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};
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