GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

sample/uvc_app/audio/hal/uac_hal.h

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) XMEDIA. All rights reserved.
+ */
+
+#ifndef __UAC_HAL_H__
+#define __UAC_HAL_H__
+
+#include <stdbool.h>
+
+typedef enum audio_stream_format {
+    AUDIO_STREAM_FORMAT_UNKNOWN = -1,
+    /** Signed 8 bit */
+    AUDIO_STREAM_FORMAT_S8 = 0,
+    /** Unsigned 8 bit */
+    AUDIO_STREAM_FORMAT_U8,
+    /** Signed 16 bit Little Endian */
+    AUDIO_STREAM_FORMAT_S16_LE,
+    /** Signed 16 bit Big Endian */
+    AUDIO_STREAM_FORMAT_S16_BE,
+    /** Unsigned 16 bit Little Endian */
+    AUDIO_STREAM_FORMAT_U16_LE,
+    /** Unsigned 16 bit Big Endian */
+    AUDIO_STREAM_FORMAT_U16_BE,
+    /** Signed 24 bit Little Endian using low three bytes in 32-bit word */
+    AUDIO_STREAM_FORMAT_S24_LE,
+    /** Signed 24 bit Big Endian using low three bytes in 32-bit word */
+    AUDIO_STREAM_FORMAT_S24_BE,
+    /** Unsigned 24 bit Little Endian using low three bytes in 32-bit word */
+    AUDIO_STREAM_FORMAT_U24_LE,
+    /** Unsigned 24 bit Big Endian using low three bytes in 32-bit word */
+    AUDIO_STREAM_FORMAT_U24_BE,
+    /** Signed 32 bit Little Endian */
+    AUDIO_STREAM_FORMAT_S32_LE,
+    /** Signed 32 bit Big Endian */
+    AUDIO_STREAM_FORMAT_S32_BE,
+    /** Unsigned 32 bit Little Endian */
+    AUDIO_STREAM_FORMAT_U32_LE,
+    /** Unsigned 32 bit Big Endian */
+    AUDIO_STREAM_FORMAT_U32_BE,
+} audio_stream_format_t;
+
+typedef struct {
+    int (*config)(unsigned int channels, unsigned int rate, unsigned int period_time,
+            audio_stream_format_t format, bool is_interleaved);
+    int (*startup)(void);
+    int (*shutdown)(void);
+    int (*recv_from_stream)(char* buf, int size, int timeout_ms);
+    int (*send_to_stream)(char* buf, int size, int timeout_ms);
+} audio_stream_dev_t;
+
+typedef struct {
+    /* Get data from stream dev(AI) and send to uac dev */
+    audio_stream_dev_t* playback_stream;
+    /* Get data from uac dev and send to stream dev(AO) */
+    audio_stream_dev_t* capture_stream;
+} audio_stream_operate_t;
+
+typedef struct uac_dev {
+    int (*init)(void);
+    int (*deinit)(void);
+    int (*open)(void);
+    int (*close)(void);
+    int (*run)(void);
+    int (*stop)(void);
+} uac_dev_t;
+
+uac_dev_t* get_uac_dev(void);
+int uac_stream_register(audio_stream_operate_t* hand);
+int uac_stream_unregister(void);
+
+#endif