diff options
Diffstat (limited to 'src/multimedia/video/qvideoframe.cpp')
| -rw-r--r-- | src/multimedia/video/qvideoframe.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/multimedia/video/qvideoframe.cpp b/src/multimedia/video/qvideoframe.cpp index 4e9e28a4d..f0495577c 100644 --- a/src/multimedia/video/qvideoframe.cpp +++ b/src/multimedia/video/qvideoframe.cpp @@ -33,8 +33,10 @@ #include "qvideoframe.h" +#include "qvideoframe_p.h" #include "qimagevideobuffer_p.h" #include "qmemoryvideobuffer_p.h" +#include "qvideoframeconversionhelper_p.h" #include <qimage.h> #include <qpair.h> @@ -654,6 +656,8 @@ bool QVideoFrame::map(QAbstractVideoBuffer::MapMode mode) d->data[2] = d->data[1] + (d->bytesPerLine[1] * d->size.height() / 2); break; } + default: + break; } d->mappedCount++; @@ -994,11 +998,133 @@ QImage::Format QVideoFrame::imageFormatFromPixelFormat(PixelFormat format) case Format_AdobeDng: return QImage::Format_Invalid; case Format_User: + default: return QImage::Format_Invalid; } return QImage::Format_Invalid; } + +extern void QT_FASTCALL qt_convert_BGRA32_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_BGR24_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_BGR565_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_BGR555_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_AYUV444_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_YUV444_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_YUV420P_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_YV12_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_UYVY_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_YUYV_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_NV12_to_ARGB32(const QVideoFrame&, uchar*); +extern void QT_FASTCALL qt_convert_NV21_to_ARGB32(const QVideoFrame&, uchar*); + +static VideoFrameConvertFunc qConvertFuncs[QVideoFrame::NPixelFormats] = { + /* Format_Invalid */ Q_NULLPTR, // Not needed + /* Format_ARGB32 */ Q_NULLPTR, // Not needed + /* Format_ARGB32_Premultiplied */ Q_NULLPTR, // Not needed + /* Format_RGB32 */ Q_NULLPTR, // Not needed + /* Format_RGB24 */ Q_NULLPTR, // Not needed + /* Format_RGB565 */ Q_NULLPTR, // Not needed + /* Format_RGB555 */ Q_NULLPTR, // Not needed + /* Format_ARGB8565_Premultiplied */ Q_NULLPTR, // Not needed + /* Format_BGRA32 */ qt_convert_BGRA32_to_ARGB32, + /* Format_BGRA32_Premultiplied */ qt_convert_BGRA32_to_ARGB32, + /* Format_BGR32 */ qt_convert_BGRA32_to_ARGB32, + /* Format_BGR24 */ qt_convert_BGR24_to_ARGB32, + /* Format_BGR565 */ qt_convert_BGR565_to_ARGB32, + /* Format_BGR555 */ qt_convert_BGR555_to_ARGB32, + /* Format_BGRA5658_Premultiplied */ Q_NULLPTR, + /* Format_AYUV444 */ qt_convert_AYUV444_to_ARGB32, + /* Format_AYUV444_Premultiplied */ Q_NULLPTR, + /* Format_YUV444 */ qt_convert_YUV444_to_ARGB32, + /* Format_YUV420P */ qt_convert_YUV420P_to_ARGB32, + /* Format_YV12 */ qt_convert_YV12_to_ARGB32, + /* Format_UYVY */ qt_convert_UYVY_to_ARGB32, + /* Format_YUYV */ qt_convert_YUYV_to_ARGB32, + /* Format_NV12 */ qt_convert_NV12_to_ARGB32, + /* Format_NV21 */ qt_convert_NV21_to_ARGB32, + /* Format_IMC1 */ Q_NULLPTR, + /* Format_IMC2 */ Q_NULLPTR, + /* Format_IMC3 */ Q_NULLPTR, + /* Format_IMC4 */ Q_NULLPTR, + /* Format_Y8 */ Q_NULLPTR, + /* Format_Y16 */ Q_NULLPTR, + /* Format_Jpeg */ Q_NULLPTR, // Not needed + /* Format_CameraRaw */ Q_NULLPTR, + /* Format_AdobeDng */ Q_NULLPTR +}; + +static void qInitConvertFuncsAsm() +{ +#ifdef QT_COMPILER_SUPPORTS_SSE2 + extern void QT_FASTCALL qt_convert_BGRA32_to_ARGB32_sse2(const QVideoFrame&, uchar*); + if (qCpuHasFeature(SSE2)){ + qConvertFuncs[QVideoFrame::Format_BGRA32] = qt_convert_BGRA32_to_ARGB32_sse2; + qConvertFuncs[QVideoFrame::Format_BGRA32_Premultiplied] = qt_convert_BGRA32_to_ARGB32_sse2; + qConvertFuncs[QVideoFrame::Format_BGR32] = qt_convert_BGRA32_to_ARGB32_sse2; + } +#endif +#ifdef QT_COMPILER_SUPPORTS_SSSE3 + extern void QT_FASTCALL qt_convert_BGRA32_to_ARGB32_ssse3(const QVideoFrame&, uchar*); + if (qCpuHasFeature(SSSE3)){ + qConvertFuncs[QVideoFrame::Format_BGRA32] = qt_convert_BGRA32_to_ARGB32_ssse3; + qConvertFuncs[QVideoFrame::Format_BGRA32_Premultiplied] = qt_convert_BGRA32_to_ARGB32_ssse3; + qConvertFuncs[QVideoFrame::Format_BGR32] = qt_convert_BGRA32_to_ARGB32_ssse3; + } +#endif +#ifdef QT_COMPILER_SUPPORTS_AVX2 + extern void QT_FASTCALL qt_convert_BGRA32_to_ARGB32_avx2(const QVideoFrame&, uchar*); + if (qCpuHasFeature(AVX2)){ + qConvertFuncs[QVideoFrame::Format_BGRA32] = qt_convert_BGRA32_to_ARGB32_avx2; + qConvertFuncs[QVideoFrame::Format_BGRA32_Premultiplied] = qt_convert_BGRA32_to_ARGB32_avx2; + qConvertFuncs[QVideoFrame::Format_BGR32] = qt_convert_BGRA32_to_ARGB32_avx2; + } +#endif +} + +/*! + \internal +*/ +QImage qt_imageFromVideoFrame(const QVideoFrame &f) +{ + QVideoFrame &frame = const_cast<QVideoFrame&>(f); + QImage result; + + if (!frame.isValid() || !frame.map(QAbstractVideoBuffer::ReadOnly)) + return result; + + // Formats supported by QImage don't need conversion + QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(frame.pixelFormat()); + if (imageFormat != QImage::Format_Invalid) { + result = QImage(frame.bits(), frame.width(), frame.height(), imageFormat).copy(); + } + + // Load from JPG + else if (frame.pixelFormat() == QVideoFrame::Format_Jpeg) { + result.loadFromData(frame.bits(), frame.mappedBytes(), "JPG"); + } + + // Need conversion + else { + static bool initAsmFuncsDone = false; + if (!initAsmFuncsDone) { + qInitConvertFuncsAsm(); + initAsmFuncsDone = true; + } + VideoFrameConvertFunc convert = qConvertFuncs[frame.pixelFormat()]; + if (!convert) { + qWarning() << Q_FUNC_INFO << ": unsupported pixel format" << frame.pixelFormat(); + } else { + result = QImage(frame.width(), frame.height(), QImage::Format_ARGB32); + convert(frame, result.bits()); + } + } + + frame.unmap(); + + return result; +} + #ifndef QT_NO_DEBUG_STREAM QDebug operator<<(QDebug dbg, QVideoFrame::PixelFormat pf) { |