1 files changed, 149 insertions, 0 deletions
diff --git a/Src/vp6/avi_vp6_decoder.cpp b/Src/vp6/avi_vp6_decoder.cpp
new file mode 100644
index 00000000..6d5546e0
--- /dev/null
+++ b/Src/vp6/avi_vp6_decoder.cpp
@@ -0,0 +1,149 @@
+#include "avi_vp6_decoder.h"
+#include "../nsv/nsvlib.h"
+#include "../nsavi/nsavi.h"
+#include "../libvp6/include/vp6.h"
+
+int AVIDecoderCreator::CreateVideoDecoder(const nsavi::AVIH *avi_header, const nsavi::STRH *stream_header, const nsavi::STRF *stream_format, const nsavi::STRD *stream_data, ifc_avivideodecoder **decoder)
+{
+	nsavi::video_format *format = (nsavi::video_format *)stream_format;
+	if (format)
+	{
+		if (format->compression == '26PV' || format->compression == '16PV' || format->compression == '06PV') 
+		{
+		DXL_XIMAGE_HANDLE xim = DXL_AlterXImage( NULL, (unsigned char *)"" ,NSV_MAKETYPE('V','P','6','0'), DXRGBNULL, 0, 0);
+		if (!xim)
+			return CREATEDECODER_FAILURE;
+		*decoder = new AVIVP6(xim);
+			return CREATEDECODER_SUCCESS;
+		}
+	}
+
+	return CREATEDECODER_NOT_MINE;
+}
+
+
+#define CBCLASS AVIDecoderCreator
+START_DISPATCH;
+CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
+END_DISPATCH;
+#undef CBCLASS
+
+static const int vp6_postProcess=6;
+static const int vp6_cpuFree=70;
+static const int vp6_deInterlace=0;
+static const int vp6_addNoise=1;
+
+ enum
+{
+	PBC_SET_POSTPROC,
+	PBC_SET_CPUFREE,
+    PBC_MAX_PARAM,
+	PBC_SET_TESTMODE,
+	PBC_SET_PBSTRUCT,
+	PBC_SET_BLACKCLAMP,
+	PBC_SET_WHITECLAMP,
+	PBC_SET_REFERENCEFRAME,
+    PBC_SET_DEINTERLACEMODE,
+    PBC_SET_ADDNOISE
+
+} ;
+
+ extern "C" 
+ {
+  void GetImageBufs(DXL_XIMAGE_HANDLE x, YV12_PLANES *p);
+  void vp60_SetParameter(DXL_XIMAGE_HANDLE src, int Command, uintptr_t Parameter );
+};
+
+
+AVIVP6::AVIVP6(DXL_XIMAGE_HANDLE xim) : xim(xim)
+{
+	decoded=0;
+
+	if(vp6_cpuFree)
+		DXL_SetParameter(xim, PBC_SET_CPUFREE, vp6_cpuFree);
+	else
+		DXL_SetParameter(xim, PBC_SET_POSTPROC, vp6_postProcess);
+
+	DXL_SetParameter(xim, PBC_SET_DEINTERLACEMODE, vp6_deInterlace );
+	DXL_SetParameter(xim, PBC_SET_ADDNOISE, vp6_addNoise);
+  DXL_SetParameter(xim, PBC_SET_BLACKCLAMP,0);
+	DXL_SetParameter(xim, PBC_SET_WHITECLAMP,0);
+}
+
+int AVIVP6::GetOutputProperties(int *x, int *y, int *color_format, double *aspect_ratio, int *flip)
+{
+	if (xim)
+	{
+		if (vp60_getWH(xim, x, y) == DXL_OK)
+		{
+			*color_format = nsaviFOURCC('Y','V','1','2');
+			*flip = 1;
+			return AVI_SUCCESS;
+		}
+	}
+	return AVI_FAILURE;
+}
+
+int AVIVP6::DecodeChunk(uint16_t type, const void *inputBuffer, size_t inputBufferBytes)
+{
+		uint8_t *vp6_data = (uint8_t *)inputBuffer;
+	if (inputBufferBytes)
+	{
+		// skip first byte
+		//vp6_data++;
+		//inputBufferBytes--;
+	
+		DXL_AlterXImageData(xim, (unsigned char *)vp6_data);
+		DXL_SetXImageCSize(xim, inputBufferBytes);
+		if (!vp60_decompress(xim))
+		{
+			decoded=1;
+			return AVI_SUCCESS;
+		}
+	}
+
+	return AVI_FAILURE;
+}
+
+void AVIVP6::Flush()
+{
+	//if (decoder)
+//		MPEG4Video_Flush(decoder);
+}
+
+int AVIVP6::GetPicture(void **data, void **decoder_data)
+{
+	if (decoded)
+	{
+		GetImageBufs(xim,&vidbufdec);
+		*data=&vidbufdec;
+		*decoder_data = 0;
+		decoded = 0;
+		return AVI_SUCCESS;
+	}
+
+
+	return AVI_FAILURE;
+}
+
+void AVIVP6::FreePicture(void *data, void *decoder_data)
+{
+	
+}
+
+void AVIVP6::HurryUp(int state)
+{
+
+}
+
+#define CBCLASS AVIVP6
+START_DISPATCH;
+CB(GET_OUTPUT_PROPERTIES, GetOutputProperties)
+CB(DECODE_CHUNK, DecodeChunk)
+VCB(FLUSH, Flush)
+CB(GET_PICTURE, GetPicture)
+VCB(FREE_PICTURE, FreePicture)
+VCB(HURRY_UP, HurryUp)
+END_DISPATCH;
+#undef CBCLASS
+