lib/ffmpeg/Time: redefine AV_TIME_BASE_Q with initializer list

libavutil's macro definition is a compound literal, which is illegal in C++. Fixes yet another -Wpedantic warning.

lib/ffmpeg/Time: redefine AV_TIME_BASE_Q with initializer list
6a499211 · Max Kellermann · f03cc101 · 6a499211
Commit 6a499211 authored May 27, 2020 by Max Kellermann
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Time.hxx src/lib/ffmpeg/Time.hxx +7 -0

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--- a/src/lib/ffmpeg/Time.hxx
+++ b/src/lib/ffmpeg/Time.hxx
@@ -36,6 +36,13 @@ extern "C" {
 #undef SampleFormat
 #endif

+/* redefine AV_TIME_BASE_Q because libavutil's macro definition is a
+   compound literal, which is illegal in C++ */
+#ifdef AV_TIME_BASE_Q
+#undef AV_TIME_BASE_Q
+#endif
+static constexpr AVRational AV_TIME_BASE_Q{1, AV_TIME_BASE};
+
 /**
 * Convert a FFmpeg time stamp to a floating point value (in seconds).
 */