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Introduce support of AV_PIX_FMT_YUYV422 in widget #556

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Merged
valbok merged 1 commit into from
Mar 17, 2026
Merged

Introduce support of AV_PIX_FMT_YUYV422 in widget #556

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59 changes: 58 additions & 1 deletion src/QtAVPlayer/qavwidget_opengl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,20 @@ static const char *vertexShaderProgram = R"(
}
)";

static const char *vertexMonoShaderProgram = R"(
attribute highp vec4 vertexCoordArray;
attribute highp vec2 textureCoordArray;
uniform highp mat4 positionMatrix;
varying highp vec2 plane1TexCoord;
varying highp vec2 textureCoord;
void main(void)
{
plane1TexCoord = textureCoordArray;
gl_Position = positionMatrix * vertexCoordArray;
textureCoord = textureCoordArray;
}
)";

static const char *rgbShaderProgram = R"(
uniform sampler2D tex1;
varying highp vec2 textureCoord;
Expand Down Expand Up @@ -75,6 +89,20 @@ static const char *yuvPlanarShaderProgram = R"(
}
)";

static const char *yuyvPlanarShaderProgram = R"(
uniform sampler2D tex1;
uniform sampler2D tex2;
uniform mediump mat4 colorMatrix;
varying highp vec2 plane1TexCoord;
void main(void)
{
mediump float Y = texture2D(tex1, plane1TexCoord).r;
mediump vec2 UV = texture2D(tex2, plane1TexCoord).ga;
mediump vec4 color = vec4(Y, UV.x, UV.y, 1.);
gl_FragColor = colorMatrix * color;
}
)";

static const char *nvPlanarShaderProgram = R"(
uniform sampler2D tex1;
uniform sampler2D tex2;
Expand Down Expand Up @@ -109,6 +137,7 @@ class QAVWidget_OpenGLPrivate
mutable QMutex mutex;

QOpenGLShaderProgram program;
const char *shaderProgram = vertexShaderProgram;
const char *fragmentProgram = nullptr;

int textureCount = 0;
Expand Down Expand Up @@ -333,6 +362,31 @@ void QAVWidget_OpenGLPrivate::initTextureInfo<AV_PIX_FMT_NV12>()
}
}

template<>
void QAVWidget_OpenGLPrivate::initTextureInfo<AV_PIX_FMT_YUYV422>()
{
Q_Q(QAVWidget_OpenGL);
colorMatrix = getColorMatrix(currentFrame);
shaderProgram = vertexMonoShaderProgram;
fragmentProgram = yuyvPlanarShaderProgram;
textureCount = 2;
if (currentFrame.handleType() == QAVVideoFrame::NoHandle) {
cleanupTextures();
q->glGenTextures(textureCount, textureIds);
texturesGenerated = true;
auto w = currentFrame.size().width();
auto h = currentFrame.size().height();
auto data = currentFrame.map();
planeWidth[0] = qreal(w);
planeWidth[1] = qreal(w) / 2;
planeWidth[2] = 0;
q->glActiveTexture(GL_TEXTURE1);
bindTexture(textureIds[1], planeWidth[1], h, data.data[0], GL_RGBA);
q->glActiveTexture(GL_TEXTURE0);
bindTexture(textureIds[0], planeWidth[0], h, data.data[0], GL_LUMINANCE_ALPHA);
}
}

#if defined(Q_OS_WIN)
template<>
void QAVWidget_OpenGLPrivate::initTextureInfo<AV_PIX_FMT_D3D11>()
Expand Down Expand Up @@ -373,6 +427,9 @@ bool QAVWidget_OpenGLPrivate::initTextureInfo()
case AV_PIX_FMT_NV12:
initTextureInfo<AV_PIX_FMT_NV12>();
break;
case AV_PIX_FMT_YUYV422:
initTextureInfo<AV_PIX_FMT_YUYV422>();
break;
#if defined(Q_OS_WIN)
case AV_PIX_FMT_D3D11:
initTextureInfo<AV_PIX_FMT_D3D11>();
Expand All @@ -393,7 +450,7 @@ bool QAVWidget_OpenGLPrivate::resetGL()

Q_ASSERT(fragmentProgram);
program.removeAllShaders();
if (!program.addShaderFromSourceCode(QOpenGLShader::Vertex, vertexShaderProgram)) {
if (!program.addShaderFromSourceCode(QOpenGLShader::Vertex, shaderProgram)) {
qWarning() << "Vertex compile error:" << qPrintable(program.log());
return false;
}
Expand Down
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