1.modify audio channel list of bmd support values 2.add check audio buffer size for ndi

.gitignore

 /.vs
 /*.pdb
 /*.log
+/MomentaMedia/*.log
 /MomentaMedia/x64/
-/x64/Debug/MomentaMedia.exe
+/x64/Debug/*.exe
 /x64/Debug/MomentaMedia.pdb
 /x64/Release/MomentaMedia.exe
-/x64/Release/MomentaMedia.log
-/x64/Release/MomentaMedia.pdb
\ No newline at end of file
+/x64/Release/*.log
+/x64/Release/*.pdb
+/x64/Release/*.exe
+/x64/Release/*.ilk
\ No newline at end of file

MomentaMedia/include/NDI/NDIOutputThread.h

@@ -64,6 +64,7 @@ private:
 	NDIlib_send_instance_t Instance;
 	NDIlib_video_frame_v2_t Frame;
 	NDIlib_audio_frame_v3_t AudioFrame;
+	uint32_t audio_size{ 0 };
 
 	VideoScale* m_scale;
 	std::shared_ptr<AudioConvert> AudioCvtPtr;

MomentaMedia/src/MomentaMedia.cpp

@@ -32,7 +32,7 @@ bool HaveBlackDataFlag = true;
 
 int main_ver = 2;
 int mid_ver = 0;
-int small_ver = 2;
+int small_ver = 5;
 
 int crop_threads = 2;
 int crop_on = 1;
@@ -42,7 +42,7 @@ int hdr_flag = 1;
 
 namespace
 {
-    const std::vector<QString> AudioChannels = { "1","2","3","4","5","6","7","8" };
+    const std::vector<QString> AudioChannels = { "2","8","16","32","64"};
 }
 
 MomentaMedia::MomentaMedia(QWidget *parent)
@@ -134,11 +134,14 @@ MomentaMedia::MomentaMedia(QWidget *parent)
     //OutputModeCheck->setChecked(mode);
 
     
-    for(auto channel : AudioChannels)
-    { 
-        AudioChannelCombo->addItem(channel);
+    int ch_index = 0;
+    for (int i = 0; i < AudioChannels.size(); i++)
+    {
+        auto str = AudioChannels[i];
+        if (str == QString::number(channel)) ch_index = i;
+        AudioChannelCombo->addItem(str);
     }
-    AudioChannelCombo->setCurrentIndex(channel - 1);
+    AudioChannelCombo->setCurrentIndex(ch_index);
     connect(AudioChannelCombo, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &MomentaMedia::AudioChannelChanged);
     
     OutputModeCombo->addItem(QString::fromWCharArray(L"跟随输入格式"));

MomentaMedia/src/NDI/NDIOutputThread.cpp

@@ -10,6 +10,11 @@
 #include "libyuv.h"
 
 extern qint64 StartTimeStamp;
+extern int AudioChannel;
+extern int FrameRate;
+
+#define SAMPLE 9600
+#define SAMPLERATE 48000
 
 NDIOutputThread::NDIOutputThread(const QString& Name, int w, int h, qint32 deleyTime) : NDISenderName(Name), deleyTime_(deleyTime), width(w), height(h), isSending(false), Instance(nullptr), cropFlag(false),
 	m_lastTS(TimeMilliSecond()),
@@ -113,7 +118,7 @@ bool NDIOutputThread::Init()
 	Frame.line_stride_in_bytes = Frame.xres * 2;
 	//Frame.p_data = (uint8_t*)malloc(Frame.xres * Frame.yres * 2);
 	Frame.frame_rate_D = 1;
-	Frame.frame_rate_N = 50;
+	Frame.frame_rate_N = FrameRate;
 	Frame.frame_format_type = NDIlib_frame_format_type_progressive;
 	Frame.picture_aspect_ratio = 16.0 / 9;
 	//Frame.timecode = NDIlib_send_timecode_synthesize;
@@ -122,9 +127,10 @@ bool NDIOutputThread::Init()
 	if (cropFlag)
 	{
 		AudioFrame.FourCC = NDIlib_FourCC_audio_type_FLTP;
-		AudioFrame.no_channels = 2;
-		AudioFrame.sample_rate = 48000;
-		AudioFrame.p_data = (uint8_t*)malloc(MAXCHANNEL * 1600 * sizeof(float));
+		AudioFrame.no_channels = AudioChannel;
+		AudioFrame.sample_rate = SAMPLERATE;
+		audio_size = AudioChannel * SAMPLE * sizeof(float);
+		AudioFrame.p_data = (uint8_t*)malloc(audio_size);
 
 		AudioCvtPtr = std::make_shared<AudioConvert>(AudioFrame.no_channels, bmdAudioSampleType32bitInteger);
 	}
@@ -141,6 +147,14 @@ void NDIOutputThread::SendAudioFunc()
 			auto buffer = frame->buffer;
 			auto size = frame->size;
 			auto audio_tm = frame->frame_time_stamp;
+
+			if (audio_size < size)
+			{
+				if (AudioFrame.p_data) free(AudioFrame.p_data);
+				audio_size = size;
+				AudioFrame.p_data = (uint8_t*)malloc(audio_size);
+			}
+
 			auto dst_data = AudioFrame.p_data;
 
 			if (AudioCvtPtr)