91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
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#include "ffmpegsource.h"
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int GetPPCPUFlags(IScriptEnvironment *Env) {
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int Flags = 0;
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long CPUFlags = Env->GetCPUFlags();
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if (CPUFlags & CPUF_MMX)
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CPUFlags |= PP_CPU_CAPS_MMX;
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if (CPUFlags & CPUF_INTEGER_SSE)
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CPUFlags |= PP_CPU_CAPS_MMX2;
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if (CPUFlags & CPUF_3DNOW)
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CPUFlags |= PP_CPU_CAPS_3DNOW;
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return Flags;
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}
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FFPP::FFPP(PClip AChild, const char *APPString, int AQuality, IScriptEnvironment *Env) : GenericVideoFilter(AChild) {
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if (!strcmp(APPString, ""))
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Env->ThrowError("FFPP: PP argument is empty");
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if (AQuality < 0 || AQuality > PP_QUALITY_MAX)
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Env->ThrowError("FFPP: Quality is out of range");
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PPContext = NULL;
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PPMode = NULL;
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SWSTo422P = NULL;
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SWSFrom422P = NULL;
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memset(&InputPicture, 0, sizeof(InputPicture));
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memset(&OutputPicture, 0, sizeof(OutputPicture));
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PPMode = pp_get_mode_by_name_and_quality((char *)APPString, AQuality);
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if (!PPMode)
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Env->ThrowError("FFPP: Invalid postprocesing settings");
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int Flags = GetPPCPUFlags(Env);
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if (vi.IsYV12()) {
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Flags |= PP_FORMAT_420;
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} else if (vi.IsYUY2()) {
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Flags |= PP_FORMAT_422;
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SWSTo422P = sws_getContext(vi.width, vi.height, PIX_FMT_YUV422, vi.width, vi.height, PIX_FMT_YUV422P, GetSWSCPUFlags(Env) | SWS_BICUBIC, NULL, NULL, NULL);
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SWSFrom422P = sws_getContext(vi.width, vi.height, PIX_FMT_YUV422P, vi.width, vi.height, PIX_FMT_YUV422, GetSWSCPUFlags(Env) | SWS_BICUBIC, NULL, NULL, NULL);
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avpicture_alloc(&InputPicture, PIX_FMT_YUV422P, vi.width, vi.height);
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avpicture_alloc(&OutputPicture, PIX_FMT_YUV422P, vi.width, vi.height);
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} else {
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Env->ThrowError("FFPP: Only YV12 and YUY2 video supported");
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}
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PPContext = pp_get_context(vi.width, vi.height, Flags);
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if (!PPContext)
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Env->ThrowError("FFPP: Failed to create context");
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}
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FFPP::~FFPP() {
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if (PPMode)
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pp_free_mode(PPMode);
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if (PPContext)
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pp_free_context(PPContext);
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if (SWSTo422P)
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sws_freeContext(SWSTo422P);
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if (SWSFrom422P)
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sws_freeContext(SWSFrom422P);
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avpicture_free(&InputPicture);
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avpicture_free(&OutputPicture);
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}
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PVideoFrame __stdcall FFPP::GetFrame(int n, IScriptEnvironment* Env) {
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PVideoFrame Src = child->GetFrame(n, Env);
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PVideoFrame Dst = Env->NewVideoFrame(vi);
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if (vi.IsYV12()) {
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uint8_t *SrcData[3] = {(uint8_t *)Src->GetReadPtr(PLANAR_Y), (uint8_t *)Src->GetReadPtr(PLANAR_U), (uint8_t *)Src->GetReadPtr(PLANAR_V)};
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int SrcStride[3] = {Src->GetPitch(PLANAR_Y), Src->GetPitch(PLANAR_U), Src->GetPitch(PLANAR_V)};
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uint8_t *DstData[3] = {Dst->GetWritePtr(PLANAR_Y), Dst->GetWritePtr(PLANAR_U), Dst->GetWritePtr(PLANAR_V)};
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int DstStride[3] = {Dst->GetPitch(PLANAR_Y), Dst->GetPitch(PLANAR_U), Dst->GetPitch(PLANAR_V)};
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pp_postprocess(SrcData, SrcStride, DstData, DstStride, vi.width, vi.height, NULL, 0, PPMode, PPContext, 0);
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} else if (vi.IsYUY2()) {
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uint8_t *SrcData[1] = {(uint8_t *)Src->GetReadPtr()};
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int SrcStride[1] = {Src->GetPitch()};
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sws_scale(SWSTo422P, SrcData, SrcStride, 0, vi.height, InputPicture.data, InputPicture.linesize);
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pp_postprocess(InputPicture.data, InputPicture.linesize, OutputPicture.data, OutputPicture.linesize, vi.width, vi.height, NULL, 0, PPMode, PPContext, 0);
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uint8_t *DstData[1] = {Dst->GetWritePtr()};
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int DstStride[1] = {Dst->GetPitch()};
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sws_scale(SWSFrom422P, OutputPicture.data, OutputPicture.linesize, 0, vi.height, DstData, DstStride);
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}
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return Dst;
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}
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