| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "playbackengine/qffmpegvideorenderer_p.h" |
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| 5 | #include "qffmpegvideobuffer_p.h" |
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| 6 | #include "qvideosink.h" |
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| 7 | #include "private/qvideoframe_p.h" |
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| 8 | |
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| 9 | QT_BEGIN_NAMESPACE |
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| 10 | |
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| 11 | namespace QFFmpeg { |
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| 12 | |
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| 13 | VideoRenderer::VideoRenderer(const TimeController &tc, QVideoSink *sink, |
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| 14 | const VideoTransformation &transform) |
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| 15 | : Renderer(tc), m_sink(sink), m_transform(transform) |
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| 16 | { |
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| 17 | } |
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| 18 | |
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| 19 | void VideoRenderer::setOutput(QVideoSink *sink, bool cleanPrevSink) |
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| 20 | { |
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| 21 | setOutputInternal(actual&: m_sink, desired: sink, changeHandler: [=](QVideoSink *prev) { |
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| 22 | if (!prev) |
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| 23 | return; |
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| 24 | |
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| 25 | if (sink) |
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| 26 | sink->setVideoFrame(prev->videoFrame()); |
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| 27 | |
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| 28 | if (cleanPrevSink) |
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| 29 | prev->setVideoFrame({}); |
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| 30 | }); |
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| 31 | } |
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| 32 | |
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| 33 | VideoRenderer::RenderingResult VideoRenderer::renderInternal(Frame frame) |
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| 34 | { |
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| 35 | if (!m_sink) |
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| 36 | return {}; |
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| 37 | |
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| 38 | if (!frame.isValid()) { |
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| 39 | m_sink->setVideoFrame({}); |
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| 40 | return {}; |
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| 41 | } |
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| 42 | |
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| 43 | // qCDebug(qLcVideoRenderer) << "RHI:" << accel.isNull() << accel.rhi() << sink->rhi(); |
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| 44 | |
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| 45 | const auto codecContext = frame.codecContext(); |
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| 46 | Q_ASSERT(codecContext); |
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| 47 | |
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| 48 | #ifdef Q_OS_ANDROID |
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| 49 | // QTBUG-108446 |
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| 50 | // In general case, just creation of frames context is not correct since |
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| 51 | // frames may require additional specific data for hw contexts, so |
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| 52 | // just setting of hw_frames_ctx is not enough. |
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| 53 | // TODO: investigate the case in order to remove or fix the code. |
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| 54 | if (codecContext->hwAccel() && !frame.avFrame()->hw_frames_ctx) { |
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| 55 | HWAccel *hwaccel = codecContext->hwAccel(); |
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| 56 | AVFrame *avframe = frame.avFrame(); |
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| 57 | if (!hwaccel->hwFramesContext()) |
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| 58 | hwaccel->createFramesContext(AVPixelFormat(avframe->format), |
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| 59 | { avframe->width, avframe->height }); |
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| 60 | |
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| 61 | if (hwaccel->hwFramesContext()) |
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| 62 | avframe->hw_frames_ctx = av_buffer_ref(hwaccel->hwFramesContextAsBuffer()); |
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| 63 | } |
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| 64 | #endif |
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| 65 | |
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| 66 | const auto pixelAspectRatio = codecContext->pixelAspectRatio(frame: frame.avFrame()); |
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| 67 | auto buffer = std::make_unique<QFFmpegVideoBuffer>(args: frame.takeAVFrame(), args: pixelAspectRatio); |
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| 68 | QVideoFrameFormat format(buffer->size(), buffer->pixelFormat()); |
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| 69 | format.setColorSpace(buffer->colorSpace()); |
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| 70 | format.setColorTransfer(buffer->colorTransfer()); |
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| 71 | format.setColorRange(buffer->colorRange()); |
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| 72 | format.setMaxLuminance(buffer->maxNits()); |
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| 73 | format.setRotation(m_transform.rotation); |
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| 74 | format.setMirrored(m_transform.mirrorredHorizontallyAfterRotation); |
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| 75 | QVideoFrame videoFrame = QVideoFramePrivate::createFrame(buffer: std::move(buffer), format); |
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| 76 | videoFrame.setStartTime(frame.startTime().get()); |
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| 77 | videoFrame.setEndTime(frame.endTime().get()); |
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| 78 | m_sink->setVideoFrame(videoFrame); |
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| 79 | |
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| 80 | return {}; |
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| 81 | } |
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| 82 | |
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| 83 | } // namespace QFFmpeg |
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| 84 | |
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| 85 | QT_END_NAMESPACE |
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| 86 | |
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| 87 | #include "moc_qffmpegvideorenderer_p.cpp" |
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| 88 | |
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