Implement debug output for AVRational

We print AVRational in several places, let's reuse the code.

Change-Id: Idbadae656af54337350bb7872d75f309592b010d
Reviewed-by: Pavel Dubsky <pavel.dubsky@qt.io>
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
(cherry picked from commit a992f2dc2fbe71f114ca4b7d69689c745d754e0e)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

4 files changed, 13 insertions, 9 deletions

diff --git a/src/plugins/multimedia/ffmpeg/qffmpeg.cpp b/src/plugins/multimedia/ffmpeg/qffmpeg.cpp
index a64358481..8755cde2b 100644
--- a/src/plugins/multimedia/ffmpeg/qffmpeg.cpp
+++ b/src/plugins/multimedia/ffmpeg/qffmpeg.cpp
@@ -350,4 +350,10 @@ std::string cvFormatToString(uint32_t cvFormat)
 
 } // namespace QFFmpeg
 
+QDebug operator<<(QDebug dbg, const AVRational &value)
+{
+    dbg << value.num << "/" << value.den;
+    return dbg;
+}
+
 QT_END_NAMESPACE
diff --git a/src/plugins/multimedia/ffmpeg/qffmpeg_p.h b/src/plugins/multimedia/ffmpeg/qffmpeg_p.h
index 2dc97c7e1..f11bfbe80 100644
--- a/src/plugins/multimedia/ffmpeg/qffmpeg_p.h
+++ b/src/plugins/multimedia/ffmpeg/qffmpeg_p.h
@@ -205,6 +205,8 @@ std::string cvFormatToString(uint32_t format);
 #endif
 }
 
+QDebug operator<<(QDebug, const AVRational &);
+
 QT_END_NAMESPACE
 
 #endif
diff --git a/src/plugins/multimedia/ffmpeg/qffmpegencoder.cpp b/src/plugins/multimedia/ffmpeg/qffmpegencoder.cpp
index a9579c417..0351cea6a 100644
--- a/src/plugins/multimedia/ffmpeg/qffmpegencoder.cpp
+++ b/src/plugins/multimedia/ffmpeg/qffmpegencoder.cpp
@@ -326,8 +326,7 @@ void AudioEncoder::open()
 
     if (stream->time_base.num != 1 || stream->time_base.den != format.sampleRate()) {
         qCDebug(qLcFFmpegEncoder) << "Most likely, av_format_write_header changed time base from"
-                                  << 1 << "/" << format.sampleRate() << "to"
-                                  << stream->time_base.num << "/" << stream->time_base.den;
+                                  << 1 << "/" << format.sampleRate() << "to" << stream->time_base;
     }
 
     codecContext->time_base = stream->time_base;
diff --git a/src/plugins/multimedia/ffmpeg/qffmpegvideoframeencoder.cpp b/src/plugins/multimedia/ffmpeg/qffmpegvideoframeencoder.cpp
index bbd7f9407..8e3b74929 100644
--- a/src/plugins/multimedia/ffmpeg/qffmpegvideoframeencoder.cpp
+++ b/src/plugins/multimedia/ffmpeg/qffmpegvideoframeencoder.cpp
@@ -95,12 +95,10 @@ bool VideoFrameEncoder::initCodec()
 
     if (m_codec->supported_framerates && qLcVideoFrameEncoder().isEnabled(QtDebugMsg))
         for (auto rate = m_codec->supported_framerates; rate->num && rate->den; ++rate)
-            qCDebug(qLcVideoFrameEncoder)
-                    << "supported frame rate:" << rate->num << "/" << rate->den;
+            qCDebug(qLcVideoFrameEncoder) << "supported frame rate:" << *rate;
 
     m_codecFrameRate = adjustFrameRate(m_codec->supported_framerates, m_settings.videoFrameRate());
-    qCDebug(qLcVideoFrameEncoder) << "Adjusted frame rate:" << m_codecFrameRate.num << "/"
-                                  << m_codecFrameRate.den;
+    qCDebug(qLcVideoFrameEncoder) << "Adjusted frame rate:" << m_codecFrameRate;
 
     return true;
 }
@@ -203,7 +201,7 @@ bool VideoFrameEncoder::open()
         return false;
     }
     qCDebug(qLcVideoFrameEncoder) << "video codec opened" << res << "time base"
-                                  << m_codecContext->time_base.num << m_codecContext->time_base.den;
+                                  << m_codecContext->time_base;
     return true;
 }
 
@@ -300,8 +298,7 @@ int VideoFrameEncoder::sendFrame(AVFrameUPtr frame)
         frame = std::move(f);
     }
 
-    qCDebug(qLcVideoFrameEncoder) << "sending frame" << pts << "*" << timeBase.num << "/"
-                                  << timeBase.den;
+    qCDebug(qLcVideoFrameEncoder) << "sending frame" << pts << "*" << timeBase;
 
     setAVFrameTime(*frame, pts, timeBase);
     return avcodec_send_frame(m_codecContext.get(), frame.get());