qmlfrontend/preview_image_provider.cpp
author Pekka Ristola <pekkarr@protonmail.com>
Mon, 27 Jan 2025 19:08:05 +0100
changeset 16096 dbdb98dafd80
parent 14175 8354b390f1a2
permissions -rw-r--r--
Add support for ffmpeg 6.0 - Use the new send_frame/receive_packet API for encoding - Use the new channel layout API for audio - Fix audio recording - Copy codec parameters to the stream parameters - Set correct pts for audio frames - Read audio samples from file directly to the refcounted AVFrame buffer instead of the `g_pSamples` buffer - Use global AVPackets allocated with `av_packet_alloc` - Stop trying to write more audio frames when `WriteAudioFrame` fails with a negative error code - Fix segfault with `g_pContainer->url`. The field has to be allocated with `av_malloc` before writing to it. It's set to `NULL` by default. - Properly free allocations with `avcodec_free_context` and `avformat_free_context`
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#include "preview_image_provider.h"
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PreviewImageProvider::PreviewImageProvider()
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    : QQuickImageProvider(QQuickImageProvider::Pixmap) {}
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QPixmap PreviewImageProvider::requestPixmap(const QString &id, QSize *size,
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                                            const QSize &requestedSize) {
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  Q_UNUSED(id);
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  Q_UNUSED(requestedSize);
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  if (size) *size = m_px.size();
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  return m_px;
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}
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void PreviewImageProvider::setImage(const QImage &preview) {
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  m_px = QPixmap::fromImage(preview, Qt::ColorOnly);
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  // QPixmap pxres(px.size());
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  // QPainter p(&pxres);
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  // p.fillRect(pxres.rect(), linearGrad);
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  // p.drawPixmap(0, 0, px);
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}