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ffmpegdecoder: use real colorspace coefficients in shader

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This commit is contained in:
itsmattkc
2022-08-07 23:40:21 -07:00
parent b39e5028dd
commit ad1b8a5a35
4 changed files with 72 additions and 15 deletions
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app/codec/ffmpeg/ffmpegdecoder.cpp
+8 -2
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@@ -208,7 +208,7 @@ TexturePtr FFmpegDecoder::RetrieveVideoInternal(Renderer *renderer, const ration
break;
}
bool jpeg_range = src_fmt == AV_PIX_FMT_YUVJ420P
bool full_range = src_fmt == AV_PIX_FMT_YUVJ420P
|| src_fmt == AV_PIX_FMT_YUVJ422P
|| src_fmt == AV_PIX_FMT_YUVJ444P;
@@ -244,7 +244,13 @@ TexturePtr FFmpegDecoder::RetrieveVideoInternal(Renderer *renderer, const ration
job.Insert(QStringLiteral("u_channel"), NodeValue(NodeValue::kTexture, QVariant::fromValue(u_plane)));
job.Insert(QStringLiteral("v_channel"), NodeValue(NodeValue::kTexture, QVariant::fromValue(v_plane)));
job.Insert(QStringLiteral("bits_per_pixel"), NodeValue(NodeValue::kInt, bits_per_pixel));
job.Insert(QStringLiteral("jpeg_range"), NodeValue(NodeValue::kBoolean, jpeg_range));
job.Insert(QStringLiteral("full_range"), NodeValue(NodeValue::kBoolean, full_range));
const int *yuv_coeffs = sws_getCoefficients(FFmpegUtils::GetSwsColorspaceFromAVColorSpace(f.get()->colorspace));
job.Insert(QStringLiteral("yuv_crv"), NodeValue(NodeValue::kInt, yuv_coeffs[0]));
job.Insert(QStringLiteral("yuv_cgu"), NodeValue(NodeValue::kInt, yuv_coeffs[2]));
job.Insert(QStringLiteral("yuv_cgv"), NodeValue(NodeValue::kInt, yuv_coeffs[3]));
job.Insert(QStringLiteral("yuv_cbu"), NodeValue(NodeValue::kInt, yuv_coeffs[1]));
tex = renderer->CreateTexture(vp);
renderer->BlitToTexture(Yuv2RgbShader, job, tex.get(), false);