播放视频时同时播放音频

include/decodeParam.h

@@ -99,16 +99,19 @@ struct VideoParam
 	int width;
 	int height;
 	int videoStreamIndex;
-
+	AVStream* stream;
 	bool eof = false;
 	bool pause = false;
 	bool quit = false;
+	double totalTime = 0;
+	double currentTime = 0;
 };
 
 struct AudioParam
 {
 	MediaQueue<AVPacket> packetQueue;
 	AVCodecContext* codecCtx;
+	AVStream* stream;
 	int audioStreamIndex;
 	static constexpr int MAX_BUFFER_SIZE = 192000;
 	uint8_t* buffer = new uint8_t[MAX_BUFFER_SIZE];
@@ -118,6 +121,16 @@ struct AudioParam
 	bool pause = false;
 	bool isVideo = false;
 	bool quit = false;
+	double currentTime = 0;
+	double totalTime = 0;
+	double lastPts;
+
+	double getCurrentTime() const
+	{
+		const int diff = bufferSize - bufferIndex;
+		const int bytePreSec = codecCtx->sample_rate * codecCtx->ch_layout.nb_channels * 2;
+		return currentTime - static_cast<double>(diff) / bytePreSec;
+	}
 };
 
 struct MediaParam