Initial community commit

1 files changed, 141 insertions, 0 deletions

diff --git a/Src/vp6/flv_vp6_decoder.cpp b/Src/vp6/flv_vp6_decoder.cpp
new file mode 100644
index 00000000..5de9fd76
--- /dev/null
+++ b/Src/vp6/flv_vp6_decoder.cpp
@@ -0,0 +1,141 @@
+#include "flv_vp6_decoder.h"
+#include "../nsv/nsvlib.h"
+#include "../libvp6/include/vp6.h"
+int FLVDecoderCreator::CreateVideoDecoder(int format_type, int width, int height, ifc_flvvideodecoder **decoder)
+{
+	if (format_type == FLV::VIDEO_FORMAT_VP6 || format_type == FLV::VIDEO_FORMAT_VP62)
+	{
+		//DXL_XIMAGE_HANDLE xim = DXL_CreateXImageOfType((unsigned char *)"" , format_type == FLV::VIDEO_FORMAT_VP6?NSV_MAKETYPE('V','P','6','0'):NSV_MAKETYPE('V','P','6','2'));
+		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 FLVVP6(xim);
+		return CREATEDECODER_SUCCESS;
+	}
+	return CREATEDECODER_NOT_MINE;
+}
+
+int FLVDecoderCreator::HandlesVideo(int format_type)
+{
+	if (format_type == FLV::VIDEO_FORMAT_VP6 || format_type == FLV::VIDEO_FORMAT_VP62)
+	{
+		return CREATEDECODER_SUCCESS;
+	}
+	return CREATEDECODER_NOT_MINE;
+}
+
+#define CBCLASS FLVDecoderCreator
+START_DISPATCH;
+CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
+CB(HANDLES_VIDEO, HandlesVideo)
+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 );
+};
+
+FLVVP6::FLVVP6(DXL_XIMAGE_HANDLE xim) : xim(xim)
+{
+	decoded=0;
+
+	if(vp6_cpuFree)
+		vp60_SetParameter(xim, PBC_SET_CPUFREE, vp6_cpuFree);
+	else
+		vp60_SetParameter(xim, PBC_SET_POSTPROC, vp6_postProcess);
+
+	vp60_SetParameter(xim, PBC_SET_DEINTERLACEMODE, vp6_deInterlace );
+	vp60_SetParameter(xim, PBC_SET_ADDNOISE, vp6_addNoise);
+  vp60_SetParameter(xim, PBC_SET_BLACKCLAMP,0);
+	vp60_SetParameter(xim, PBC_SET_WHITECLAMP,0);
+}
+
+int FLVVP6::GetOutputFormat(int *x, int *y, int *color_format)
+{
+	if (xim)
+	{
+		if (vp60_getWH(xim, x, y) == DXL_OK)
+		{
+			*color_format = NSV_MAKETYPE('Y','V','1','2');
+			return FLV_VIDEO_SUCCESS;
+		}
+	}
+	return FLV_VIDEO_FAILURE;
+}
+
+int FLVVP6::DecodeSample(const void *inputBuffer, size_t inputBufferBytes, int32_t timestamp)
+{
+	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 FLV_VIDEO_SUCCESS;
+		}
+	}
+
+	return FLV_VIDEO_FAILURE;
+
+}
+
+void FLVVP6::Close()
+{
+	if (xim)
+		DXL_DestroyXImage(xim);
+
+	delete this;
+}
+
+int FLVVP6::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
+{
+	if (decoded)
+	{
+		GetImageBufs(xim,&vidbufdec);
+		*data=&vidbufdec;
+		*decoder_data = 0;
+		decoded = 0;
+		return FLV_VIDEO_SUCCESS;
+	}
+
+	return FLV_VIDEO_FAILURE;
+}
+
+
+#define CBCLASS FLVVP6
+START_DISPATCH;
+CB(FLV_VIDEO_GETOUTPUTFORMAT, GetOutputFormat)
+CB(FLV_VIDEO_DECODE, DecodeSample)
+VCB(FLV_VIDEO_CLOSE, Close)
+CB(FLV_VIDEO_GET_PICTURE, GetPicture)
+END_DISPATCH;
+#undef CBCLASS
+