1 files changed, 78 insertions, 0 deletions
diff --git a/src/plugins/multimedia/ffmpeg/qffmpegavaudioformat.cpp b/src/plugins/multimedia/ffmpeg/qffmpegavaudioformat.cpp
new file mode 100644
index 000000000..417219a48
--- /dev/null
+++ b/src/plugins/multimedia/ffmpeg/qffmpegavaudioformat.cpp
@@ -0,0 +1,78 @@
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qffmpegavaudioformat_p.h"
+#include "qaudioformat.h"
+#include "qffmpegmediaformatinfo_p.h"
+
+extern "C" {
+#include <libavutil/opt.h>
+}
+
+QT_BEGIN_NAMESPACE
+
+namespace QFFmpeg {
+
+AVAudioFormat::AVAudioFormat(const AVCodecContext *context)
+    : sampleFormat(context->sample_fmt), sampleRate(context->sample_rate)
+{
+#if QT_FFMPEG_OLD_CHANNEL_LAYOUT
+    if (context->channel_layout) {
+        channelLayoutMask = context->channel_layout;
+    } else {
+        const auto channelConfig =
+                QAudioFormat::defaultChannelConfigForChannelCount(context->channels);
+        channelLayoutMask = QFFmpegMediaFormatInfo::avChannelLayout(channelConfig);
+    }
+#else
+    channelLayout = context->ch_layout;
+#endif
+}
+
+AVAudioFormat::AVAudioFormat(const AVCodecParameters *codecPar)
+    : sampleFormat(AVSampleFormat(codecPar->format)), sampleRate(codecPar->sample_rate)
+{
+#if QT_FFMPEG_OLD_CHANNEL_LAYOUT
+    if (codecPar->channel_layout) {
+        channelLayoutMask = codecPar->channel_layout;
+    } else {
+        const auto channelConfig =
+                QAudioFormat::defaultChannelConfigForChannelCount(codecPar->channels);
+        channelLayoutMask = QFFmpegMediaFormatInfo::avChannelLayout(channelConfig);
+    }
+#else
+    channelLayout = codecPar->ch_layout;
+#endif
+}
+
+AVAudioFormat::AVAudioFormat(const QAudioFormat &audioFormat)
+    : sampleFormat(QFFmpegMediaFormatInfo::avSampleFormat(audioFormat.sampleFormat())),
+      sampleRate(audioFormat.sampleRate())
+{
+    const auto channelConfig = audioFormat.channelConfig() == QAudioFormat::ChannelConfigUnknown
+            ? QAudioFormat::defaultChannelConfigForChannelCount(audioFormat.channelCount())
+            : audioFormat.channelConfig();
+
+    const auto mask = QFFmpegMediaFormatInfo::avChannelLayout(channelConfig);
+
+#if QT_FFMPEG_OLD_CHANNEL_LAYOUT
+    channelLayoutMask = mask;
+#else
+    av_channel_layout_from_mask(&channelLayout, mask);
+#endif
+}
+
+bool operator==(const AVAudioFormat &lhs, const AVAudioFormat &rhs)
+{
+    return lhs.sampleFormat == rhs.sampleFormat && lhs.sampleRate == rhs.sampleRate &&
+#if QT_FFMPEG_OLD_CHANNEL_LAYOUT
+            lhs.channelLayoutMask == rhs.channelLayoutMask
+#else
+            lhs.channelLayout == rhs.channelLayout
+#endif
+            ;
+}
+
+} // namespace QFFmpeg
+
+QT_END_NAMESPACE