| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qffmpegavaudioformat_p.h" |
| 5 | #include "qaudioformat.h" |
| 6 | #include "qffmpegmediaformatinfo_p.h" |
| 7 | |
| 8 | #include <QtCore/qdebug.h> |
| 9 | |
| 10 | extern "C"{ |
| 11 | #include <libavutil/opt.h> |
| 12 | } |
| 13 | |
| 14 | QT_BEGIN_NAMESPACE |
| 15 | |
| 16 | namespace QFFmpeg { |
| 17 | |
| 18 | AVAudioFormat::AVAudioFormat(const AVCodecContext *context) |
| 19 | : sampleFormat(context->sample_fmt), sampleRate(context->sample_rate) |
| 20 | { |
| 21 | #if QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT |
| 22 | channelLayout = context->ch_layout; |
| 23 | #else |
| 24 | if (context->channel_layout) { |
| 25 | channelLayoutMask = context->channel_layout; |
| 26 | } else { |
| 27 | const auto channelConfig = |
| 28 | QAudioFormat::defaultChannelConfigForChannelCount(channelCount: context->channels); |
| 29 | channelLayoutMask = QFFmpegMediaFormatInfo::avChannelLayout(channelConfig); |
| 30 | } |
| 31 | #endif |
| 32 | } |
| 33 | |
| 34 | AVAudioFormat::AVAudioFormat(const AVCodecParameters *codecPar) |
| 35 | : sampleFormat(AVSampleFormat(codecPar->format)), sampleRate(codecPar->sample_rate) |
| 36 | { |
| 37 | #if QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT |
| 38 | channelLayout = codecPar->ch_layout; |
| 39 | #else |
| 40 | if (codecPar->channel_layout) { |
| 41 | channelLayoutMask = codecPar->channel_layout; |
| 42 | } else { |
| 43 | const auto channelConfig = |
| 44 | QAudioFormat::defaultChannelConfigForChannelCount(channelCount: codecPar->channels); |
| 45 | channelLayoutMask = QFFmpegMediaFormatInfo::avChannelLayout(channelConfig); |
| 46 | } |
| 47 | #endif |
| 48 | } |
| 49 | |
| 50 | AVAudioFormat::AVAudioFormat(const QAudioFormat &audioFormat) |
| 51 | : sampleFormat(QFFmpegMediaFormatInfo::avSampleFormat(format: audioFormat.sampleFormat())), |
| 52 | sampleRate(audioFormat.sampleRate()) |
| 53 | { |
| 54 | const auto channelConfig = audioFormat.channelConfig() == QAudioFormat::ChannelConfigUnknown |
| 55 | ? QAudioFormat::defaultChannelConfigForChannelCount(channelCount: audioFormat.channelCount()) |
| 56 | : audioFormat.channelConfig(); |
| 57 | |
| 58 | const auto mask = QFFmpegMediaFormatInfo::avChannelLayout(channelConfig); |
| 59 | |
| 60 | #if QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT |
| 61 | av_channel_layout_from_mask(&channelLayout, mask); |
| 62 | #else |
| 63 | channelLayoutMask = mask; |
| 64 | #endif |
| 65 | } |
| 66 | |
| 67 | bool operator==(const AVAudioFormat &lhs, const AVAudioFormat &rhs) |
| 68 | { |
| 69 | return lhs.sampleFormat == rhs.sampleFormat && lhs.sampleRate == rhs.sampleRate && |
| 70 | #if QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT |
| 71 | lhs.channelLayout == rhs.channelLayout |
| 72 | #else |
| 73 | lhs.channelLayoutMask == rhs.channelLayoutMask |
| 74 | #endif |
| 75 | ; |
| 76 | } |
| 77 | |
| 78 | QDebug operator<<(QDebug dbg, const AVAudioFormat &format) |
| 79 | { |
| 80 | dbg << '['; |
| 81 | const char *sampleFormatName = av_get_sample_fmt_name(sample_fmt: format.sampleFormat); |
| 82 | dbg << "sample format:"<< (sampleFormatName ? sampleFormatName : "unknown"); |
| 83 | dbg << ", sample rate:"<< format.sampleRate; |
| 84 | |
| 85 | #if QT_FFMPEG_HAS_AV_CHANNEL_LAYOUT |
| 86 | dbg << ", channel layout:"<< format.channelLayout; |
| 87 | #else |
| 88 | dbg << "channel layout:"<< Qt::bin << format.channelLayoutMask << Qt::dec; |
| 89 | #endif |
| 90 | dbg << ']'; |
| 91 | return dbg; |
| 92 | } |
| 93 | |
| 94 | } // namespace QFFmpeg |
| 95 | |
| 96 | QT_END_NAMESPACE |
| 97 |