adding armbox

libarmbox/audio_lib.h

@@ -0,0 +1,109 @@
+/* public header file */
+
+#ifndef _AUDIO_TD_H_
+#define _AUDIO_TD_H_
+#include "../common/cs_types.h"
+
+typedef enum
+{
+	AUDIO_SYNC_WITH_PTS,
+	AUDIO_NO_SYNC,
+	AUDIO_SYNC_AUDIO_MASTER
+} AUDIO_SYNC_MODE;
+
+typedef enum {
+	HDMI_ENCODED_OFF,
+	HDMI_ENCODED_AUTO,
+	HDMI_ENCODED_FORCED
+} HDMI_ENCODED_MODE;
+
+typedef enum
+{
+	AUDIO_FMT_AUTO = 0,
+	AUDIO_FMT_MPEG,
+	AUDIO_FMT_MP3,
+	AUDIO_FMT_DOLBY_DIGITAL,
+	AUDIO_FMT_BASIC = AUDIO_FMT_DOLBY_DIGITAL,
+	AUDIO_FMT_AAC,
+	AUDIO_FMT_AAC_PLUS,
+	AUDIO_FMT_DD_PLUS,
+	AUDIO_FMT_DTS,
+	AUDIO_FMT_AVS,
+	AUDIO_FMT_MLP,
+	AUDIO_FMT_WMA,
+	AUDIO_FMT_MPG1, // TD only. For Movieplayer / cPlayback
+	AUDIO_FMT_ADVANCED = AUDIO_FMT_MLP
+} AUDIO_FORMAT;
+
+class mixerVolume;
+
+class cAudio
+{
+	friend class cPlayback;
+	private:
+		int fd;
+		bool Muted;
+
+		int clipfd; /* for pcm playback */
+		int mixer_fd;  /* if we are using the OSS mixer */
+		int mixer_num; /* oss mixer to use, if any */
+
+		AUDIO_FORMAT	StreamType;
+		AUDIO_SYNC_MODE    SyncMode;
+		bool started;
+
+		int volume;
+
+		void openDevice(void);
+		void closeDevice(void);
+
+		int do_mute(bool enable, bool remember);
+		void setBypassMode(bool disable);
+
+		mixerVolume *mixerAnalog, *mixerHDMI, *mixerSPDIF;
+		int volumeAnalog, volumeHDMI, volumeSPDIF;
+		bool mixersMuted;
+
+	public:
+		/* construct & destruct */
+		cAudio(void *, void *, void *);
+		~cAudio(void);
+
+		void *GetHandle() { return NULL; };
+		/* shut up */
+		int mute(bool remember = true) { return do_mute(true, remember); };
+		int unmute(bool remember = true) { return do_mute(false, remember); };
+
+		/* volume, min = 0, max = 255 */
+		int setVolume(unsigned int left, unsigned int right);
+		int getVolume(void) { return volume;}
+		bool getMuteStatus(void) { return Muted; };
+
+		/* start and stop audio */
+		int Start(void);
+		int Stop(void);
+		bool Pause(bool Pcm = true);
+		void SetStreamType(AUDIO_FORMAT type);
+		AUDIO_FORMAT GetStreamType(void) { return StreamType; }
+		void SetSyncMode(AVSYNC_TYPE Mode);
+
+		/* select channels */
+		int setChannel(int channel);
+		int PrepareClipPlay(int uNoOfChannels, int uSampleRate, int uBitsPerSample, int bLittleEndian);
+		int WriteClip(unsigned char * buffer, int size);
+		int StopClip();
+		void getAudioInfo(int &type, int &layer, int& freq, int &bitrate, int &mode);
+		void SetSRS(int iq_enable, int nmgr_enable, int iq_mode, int iq_level);
+		bool IsHdmiDDSupported() { return true; };
+		void SetHdmiDD(bool enable);
+		void SetSpdifDD(bool enable);
+		void ScheduleMute(bool On);
+		void EnableAnalogOut(bool enable);
+
+		void openMixers(void);
+		void closeMixers(void);
+		void setMixerVolume(const char *name, long value, bool remember = true);
+		void muteMixers(bool m = true);
+};
+
+#endif