142 lines
3.2 KiB
C++
142 lines
3.2 KiB
C++
#include "flv_vp6_decoder.h"
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#include "../nsv/nsvlib.h"
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#include "../libvp6/include/vp6.h"
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int FLVDecoderCreator::CreateVideoDecoder(int format_type, int width, int height, ifc_flvvideodecoder **decoder)
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{
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if (format_type == FLV::VIDEO_FORMAT_VP6 || format_type == FLV::VIDEO_FORMAT_VP62)
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{
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//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'));
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DXL_XIMAGE_HANDLE xim = DXL_AlterXImage( NULL, (unsigned char *)"" ,NSV_MAKETYPE('V','P','6','0'), DXRGBNULL, 0, 0);
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if (!xim)
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return CREATEDECODER_FAILURE;
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*decoder = new FLVVP6(xim);
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return CREATEDECODER_SUCCESS;
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}
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return CREATEDECODER_NOT_MINE;
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}
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int FLVDecoderCreator::HandlesVideo(int format_type)
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{
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if (format_type == FLV::VIDEO_FORMAT_VP6 || format_type == FLV::VIDEO_FORMAT_VP62)
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{
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return CREATEDECODER_SUCCESS;
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}
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return CREATEDECODER_NOT_MINE;
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}
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#define CBCLASS FLVDecoderCreator
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START_DISPATCH;
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CB(CREATE_VIDEO_DECODER, CreateVideoDecoder)
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CB(HANDLES_VIDEO, HandlesVideo)
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END_DISPATCH;
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#undef CBCLASS
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static const int vp6_postProcess=6;
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static const int vp6_cpuFree=70;
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static const int vp6_deInterlace=0;
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static const int vp6_addNoise=1;
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enum
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{
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PBC_SET_POSTPROC,
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PBC_SET_CPUFREE,
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PBC_MAX_PARAM,
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PBC_SET_TESTMODE,
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PBC_SET_PBSTRUCT,
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PBC_SET_BLACKCLAMP,
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PBC_SET_WHITECLAMP,
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PBC_SET_REFERENCEFRAME,
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PBC_SET_DEINTERLACEMODE,
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PBC_SET_ADDNOISE
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} ;
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extern "C"
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{
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void GetImageBufs(DXL_XIMAGE_HANDLE x, YV12_PLANES *p);
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void vp60_SetParameter(DXL_XIMAGE_HANDLE src, int Command, uintptr_t Parameter );
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};
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FLVVP6::FLVVP6(DXL_XIMAGE_HANDLE xim) : xim(xim)
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{
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decoded=0;
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if(vp6_cpuFree)
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vp60_SetParameter(xim, PBC_SET_CPUFREE, vp6_cpuFree);
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else
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vp60_SetParameter(xim, PBC_SET_POSTPROC, vp6_postProcess);
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vp60_SetParameter(xim, PBC_SET_DEINTERLACEMODE, vp6_deInterlace );
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vp60_SetParameter(xim, PBC_SET_ADDNOISE, vp6_addNoise);
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vp60_SetParameter(xim, PBC_SET_BLACKCLAMP,0);
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vp60_SetParameter(xim, PBC_SET_WHITECLAMP,0);
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}
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int FLVVP6::GetOutputFormat(int *x, int *y, int *color_format)
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{
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if (xim)
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{
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if (vp60_getWH(xim, x, y) == DXL_OK)
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{
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*color_format = NSV_MAKETYPE('Y','V','1','2');
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return FLV_VIDEO_SUCCESS;
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}
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}
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return FLV_VIDEO_FAILURE;
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}
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int FLVVP6::DecodeSample(const void *inputBuffer, size_t inputBufferBytes, int32_t timestamp)
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{
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uint8_t *vp6_data = (uint8_t *)inputBuffer;
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if (inputBufferBytes)
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{
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// skip first byte
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vp6_data++;
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inputBufferBytes--;
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DXL_AlterXImageData(xim, (unsigned char *)vp6_data);
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DXL_SetXImageCSize(xim, inputBufferBytes);
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if (!vp60_decompress(xim))
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{
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decoded=1;
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return FLV_VIDEO_SUCCESS;
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}
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}
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return FLV_VIDEO_FAILURE;
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}
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void FLVVP6::Close()
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{
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if (xim)
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DXL_DestroyXImage(xim);
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delete this;
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}
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int FLVVP6::GetPicture(void **data, void **decoder_data, uint64_t *timestamp)
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{
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if (decoded)
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{
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GetImageBufs(xim,&vidbufdec);
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*data=&vidbufdec;
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*decoder_data = 0;
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decoded = 0;
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return FLV_VIDEO_SUCCESS;
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}
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return FLV_VIDEO_FAILURE;
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}
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#define CBCLASS FLVVP6
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START_DISPATCH;
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CB(FLV_VIDEO_GETOUTPUTFORMAT, GetOutputFormat)
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CB(FLV_VIDEO_DECODE, DecodeSample)
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VCB(FLV_VIDEO_CLOSE, Close)
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CB(FLV_VIDEO_GET_PICTURE, GetPicture)
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END_DISPATCH;
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#undef CBCLASS
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