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#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
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