InputFile: seekAtFrame use correct fps of input

Clement Champetier · Clement Champetier · commit 44add38d5346 · 2015-01-19T14:35:10.000+01:00
Instead of hardcoded fps = 25.
diff --git a/src/AvTranscoder/file/InputFile.cpp b/src/AvTranscoder/file/InputFile.cpp
@@ -146,8 +146,16 @@ bool InputFile::readNextPacket( CodedData& data, const size_t streamIndex )
 
 void InputFile::seekAtFrame( const size_t frame )
 {
-	uint64_t pos = frame / 25 * AV_TIME_BASE;  // WARNING: hardcoded fps
+	// Get Fps from first video stream or first audio stream if no video
+	double fps = 1;
+	if( _properties.getNbVideoStreams() )
+		fps = _properties.getVideoProperties().at( 0 ).getFps();
+	else if( _properties.getNbAudioStreams() )
+		fps = _properties.getAudioProperties().at( 0 ).getFps();
 
+	uint64_t pos = frame / fps * AV_TIME_BASE;
+
+	// Offset of start time
 	if( (int)_formatContext.getStartTime() != AV_NOPTS_VALUE )
 		pos += _formatContext.getStartTime();
 
