Initial community commit

Src/Plugins/Input/in_flac/mkv_flac_decoder.h

@@ -0,0 +1,65 @@
+#pragma once
+#include "../in_mkv/svc_mkvdecoder.h"
+#include "../in_mkv/ifc_mkvaudiodecoder.h"
+#include <FLAC/all.h>
+
+// {F6AF0AD9-608F-4206-892F-765412574A7D}
+static const GUID FLACMKVGUID = 
+{ 0xf6af0ad9, 0x608f, 0x4206, { 0x89, 0x2f, 0x76, 0x54, 0x12, 0x57, 0x4a, 0x7d } };
+
+
+
+class packet_client_data_s
+{
+public:
+	const uint8_t *buffer;
+	size_t buffer_length;
+
+	void *outputBuffer;
+	size_t *outputBufferBytes;
+
+	uint32_t frame_size;
+	uint32_t bps;
+	uint32_t bytes_per_sample;
+	uint32_t channels;
+	uint32_t sample_rate;
+	uint64_t samples;
+};
+
+typedef packet_client_data_s *packet_client_data_t;
+
+class MKVDecoder : public svc_mkvdecoder
+{
+public:
+	static const char *getServiceName() { return "FLAC MKV Decoder"; }
+	static GUID getServiceGuid() { return FLACMKVGUID; }
+	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);
+protected:
+	RECVS_DISPATCH;
+};
+
+class MKVFLACDecoder : public ifc_mkvaudiodecoder
+{
+public:
+	static MKVFLACDecoder *Create(const nsmkv::TrackEntryData *track_entry_data, const nsmkv::AudioData *audio_data, unsigned int preferred_bits, unsigned int max_channels);
+	
+protected:
+	RECVS_DISPATCH;
+private:
+	/* ifc_mkvaudiodecoder implementation */
+	int OutputFrameSize(size_t *frame_size);
+	int GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat);
+	int DecodeBlock(void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes);
+	void Flush();
+	void Close();
+
+private:
+	MKVFLACDecoder(FLAC__StreamDecoder *decoder, packet_client_data_t packet, unsigned int bps);
+	~MKVFLACDecoder();
+	/* internal implementation */
+
+	/* data */
+	FLAC__StreamDecoder *decoder;
+	unsigned int bps;
+packet_client_data_t packet;
+};