1 files changed, 122 insertions, 0 deletions
diff --git a/omx.h b/omx.h
new file mode 100644
index 0000000..08c56b6
--- /dev/null
+++ b/omx.h
@@ -0,0 +1,122 @@
+/*
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id$
+ */
+
+#ifndef OMX_H
+#define OMX_H
+
+#include "types.h"
+
+extern "C"
+{
+#include "ilclient.h"
+}
+
+class cMutex;
+
+class cOmx
+{
+
+public:
+
+	cOmx();
+	virtual ~cOmx();
+	int Init(void);
+	int DeInit(void);
+
+	static OMX_TICKS ToOmxTicks(int64_t val);
+	static int64_t FromOmxTicks(OMX_TICKS &ticks);
+	static void PtsToTicks(uint64_t pts, OMX_TICKS &ticks);
+	static uint64_t TicksToPts(OMX_TICKS &ticks);
+
+	int64_t GetSTC(void);
+	bool IsClockRunning(void);
+
+	enum eClockState {
+		eClockStateRun,
+		eClockStateStop,
+		eClockStateWaitForVideo,
+		eClockStateWaitForAudio,
+		eClockStateWaitForAudioVideo
+	};
+
+	void SetClockState(eClockState clockState);
+	void SetClockScale(float scale);
+	void SetMediaTime(uint64_t pts);
+	unsigned int GetMediaTime(void);
+
+	enum eClockReference {
+		eClockRefAudio,
+		eClockRefVideo
+	};
+
+	void SetClockReference(eClockReference clockReference);
+	void SetVolume(int vol);
+	void SendEos(void);
+	void Stop(void);
+
+	void FlushAudio(void);
+	void FlushVideo(bool flushRender = false);
+
+	int SetVideoCodec(cVideoCodec::eCodec codec);
+	int SetupAudioRender(cAudioCodec::eCodec outputFormat,
+			int channels, int samplingRate, cAudioPort::ePort audioPort);
+
+	OMX_BUFFERHEADERTYPE* GetAudioBuffer(uint64_t pts = 0);
+	OMX_BUFFERHEADERTYPE* GetVideoBuffer(uint64_t pts = 0);
+	bool PollVideoBuffers(int minBuffers = 0);
+	bool PollAudioBuffers(int minBuffers = 0);
+
+	bool EmptyAudioBuffer(OMX_BUFFERHEADERTYPE *buf);
+	bool EmptyVideoBuffer(OMX_BUFFERHEADERTYPE *buf);
+
+private:
+
+	static const char* errStr(int err);
+
+	enum eOmxComponent {
+		eClock = 0,
+		eVideoDecoder,
+		eVideoScheduler,
+		eVideoRender,
+		eAudioRender,
+		eNumComponents
+	};
+
+	enum eOmxTunnel {
+		eVideoDecoderToVideoScheduler = 0,
+		eVideoSchedulerToVideoRender,
+		eClockToVideoScheduler,
+		eClockToAudioRender,
+		eNumTunnels
+	};
+
+	ILCLIENT_T 	*m_client;
+	COMPONENT_T	*m_comp[cOmx::eNumComponents + 1];
+	TUNNEL_T 	 m_tun[cOmx::eNumTunnels + 1];
+
+	cMutex	*m_mutex;
+
+	bool m_setVideoStartTime;
+	bool m_setAudioStartTime;
+	bool m_setVideoDiscontinuity;
+
+	int m_freeAudioBuffers;
+	int m_freeVideoBuffers;
+
+	eClockReference	m_clockReference;
+
+	void HandleEndOfStream(unsigned int portId);
+	void HandlePortSettingsChanged(unsigned int portId);
+	void HandleBufferEmpty(COMPONENT_T *comp);
+
+	static void OnBufferEmpty(void *instance, COMPONENT_T *comp);
+	static void OnPortSettingsChanged(void *instance, COMPONENT_T *comp, unsigned int data);
+	static void OnEndOfStream(void *instance, COMPONENT_T *comp, unsigned int data);
+	static void OnError(void *instance, COMPONENT_T *comp, unsigned int data);
+
+};
+
+#endif