169 files changed, 64432 insertions, 116 deletions
diff --git a/tvapi/libtv/audio/audio_android.h b/tvapi/libtv/audio/audio_android.h
new file mode 100644
index 0000000..621fa1a
--- a/dev/null
+++ b/tvapi/libtv/audio/audio_android.h
@@ -0,0 +1,79 @@
+#ifndef __TV_AUDIO_ANDROID_H__
+#define __TV_AUDIO_ANDROID_H__
+
+#define CC_FLAG_CREATE_RECORD           (0x0001)
+#define CC_FLAG_CREATE_TRACK            (0x0002)
+#include "audio_alsa.h"
+#include <media/AudioRecord.h>
+#include <media/AudioTrack.h>
+
+using namespace android;
+
+
+class CAndroidAudio
+{
+public:
+    CAndroidAudio(CAudioAlsa *);
+    ~CAndroidAudio();
+    int amAndroidInit(int tm_sleep, int init_flag, int recordSr, int trackSr,
+                      bool enable_noise_gat);
+    int amAndroidUninit(int tm_sleep);
+    int amAndroidSetRecorderSr(int sr);
+    int amAndroidSetTrackerSr(int sr);
+    int amAndroidSetDumpDataFlag(int tmp_flag);
+    int amAndroidGetDumpDataFlag();
+    void amAndroidSetNoiseGateThreshold(int thresh);
+    void reset_system_framesize(int input_sample_rate, int output_sample_rate);
+
+private:
+    void DoDumpData(void *data_buf, int size);
+    void noise_filter_init();
+    int noise_filter_left(int);
+    int noise_filter_right(int);
+    void DeleteAudioRecorder();
+    void FreeAudioRecorder();
+    void DeleteAudioTracker();
+    void FreeAudioTracker();
+    int InitTempBuffer();
+    void FreeTempBuffer();
+    void ResetRecordWritePointer();
+    void ResetPlaybackReadPointer();
+    void ResetPointer();
+    short int clip(int);
+    int upsample(short int *, short int *, unsigned int, unsigned int, unsigned int);
+    int downsample(short int *, short int *, unsigned int, unsigned int, unsigned int);
+    int GetWriteSpace(volatile short int *, volatile short int *);
+    int GetReadSpace(volatile short int *, volatile short int *);
+    void recorderCallback(int, void *, void *);
+    void trackerCallback(int, void *, void *);
+    int initAudioTracker(int);
+    int initAudioRecorder(int);
+
+    CAudioAlsa *mpAudioAlsa;
+    int mDumpDataFlag;
+    int mDumpDataFd;
+    AudioRecord *mlpRecorder;
+    AudioTrack *mlpTracker;
+
+#if ANDROID_PLATFORM_SDK_VERSION >= 19
+    sp<AudioTrack> mmpAudioTracker;
+    sp<AudioRecord> mmpAudioRecorder;
+#endif
+
+    short *temp_buffer;
+    short *end_temp_buffer;
+    short volatile *record_write_pointer;
+    short volatile *playback_read_pointer;
+
+    ///////////////////////////////////////////////////////////////////////////////
+    // Helpers for the noise gate.
+    bool gEnableNoiseGate;
+    bool gUserSetEnableNoiseGate;
+    unsigned zero_count_left;
+    unsigned zero_count_right;
+    unsigned NOISE_HIS;
+    signed gNoiseGateThresh;
+};
+
+
+#endif //__TV_AUDIO_ANDROID_H__