整理代码

video/alsa/Output.h

@@ -0,0 +1,50 @@
+#ifndef A7586F47_A0A8_4B55_9701_8E79240D6736
+#define A7586F47_A0A8_4B55_9701_8E79240D6736
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "../core/AudioOutput.h"
+#include "PCM.h"
+#include "SoundCard.h"
+#include "util/Task.h"
+
+namespace Video
+{
+namespace ALSA
+{
+/*
+ *******************************************************************************
+ *                                CLASS DECLARE
+ *******************************************************************************
+ */
+class Output: public Core::AudioOutput
+{
+public:
+    Output(const std::string& arg);
+    ~Output();
+
+protected:
+    void initialize() override;
+    void deinitialize() override;
+    void onConfigChanged(ParameterNames& names) override;
+    void writeFrame(Core::Frame::Ptr pFrame) override;
+
+    SoundCard::Ptr getSoundCard();
+    bool           tryEstablishSoundCard();
+    void           runSearchTask();
+
+    PROPERTY_DECLARE(SoundCardEstablished, bool, false, protected, protected)
+
+private:
+    std::string      _soundCardID;
+    ::Util::Task     _searchTask;
+    PCM              _pcm;
+    snd_pcm_access_t _access;
+    int              _samples;
+    int              _channels;
+};
+}
+}
+#endif