1 files changed, 38 insertions, 0 deletions
diff --git a/Src/adpcm/avi_adpcm_decoder.h b/Src/adpcm/avi_adpcm_decoder.h
new file mode 100644
index 00000000..6fcb91aa
--- /dev/null
+++ b/Src/adpcm/avi_adpcm_decoder.h
@@ -0,0 +1,38 @@
+#pragma once
+#include "../Plugins/Input/in_avi/svc_avidecoder.h"
+#include "../Plugins/Input/in_avi/ifc_aviaudiodecoder.h"
+
+// {E0BCBBDF-F1DC-4459-8C0A-4F3FFECFC80E}
+static const GUID avi_adpcm_guid = 
+{ 0xe0bcbbdf, 0xf1dc, 0x4459, { 0x8c, 0xa, 0x4f, 0x3f, 0xfe, 0xcf, 0xc8, 0xe } };
+
+struct ms_adpcm_format;
+
+class AVIDecoder : public svc_avidecoder
+{
+public:
+	static const char *getServiceName() { return "ADPCM AVI Decoder"; }
+	static GUID getServiceGuid() { return avi_adpcm_guid; }
+	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);
+protected:
+	RECVS_DISPATCH;
+};
+
+class MS_ADPCM_AVIDecoder : public ifc_aviaudiodecoder
+{
+public:
+	MS_ADPCM_AVIDecoder(const ms_adpcm_format *adpcmformat, const nsavi::STRH *stream_header);
+	
+protected:
+	RECVS_DISPATCH;
+private:
+	/* ifc_aviaudiodecoder implementation */
+	int OutputFrameSize(size_t *frame_size);
+	int GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat);
+	int DecodeChunk(uint16_t type, void **inputBuffer, size_t *inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes);
+	void Close();
+
+private:
+	const ms_adpcm_format *adpcmformat;
+	const nsavi::STRH *stream_header;
+};
+\ No newline at end of file