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

sample/uvc_app/audio/uac.c

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) XMEDIA. All rights reserved.
+ */
+#include <stdio.h>
+
+#include "uac.h"
+#include "uac_hal.h"
+#include "audio_stream.h"
+
+#include "uac_log.h"
+
+static uac_dev_t* uac_dev = NULL;
+
+static int __uac_init(void)
+{
+    int err = 0;
+    audio_stream_operate_t* audio_stream = NULL;
+
+    audio_stream = get_audio_stream();
+    if (audio_stream == NULL) {
+        uac_loge("Create audio stream dev failed.\n");
+        return -1;
+    }
+
+    uac_dev = get_uac_dev();
+    if (uac_dev == NULL) {
+        uac_loge("Careate uac dev failed.\n");
+        return -1;
+    }
+
+    err = uac_stream_register(audio_stream);
+    if (err < 0) {
+        uac_loge("UAC register stream dev failed.\n");
+        return -1;
+    }
+
+    if (uac_dev->init) {
+        err = uac_dev->init();
+    } else {
+        err = -1;
+        uac_loge("Invalid uac_dev.\n");
+    }
+
+    return err;
+}
+
+static int __uac_deinit(void)
+{
+    if (uac_dev && uac_dev->deinit) {
+        uac_dev->deinit();
+        uac_stream_unregister();
+
+        return 0;
+    }
+
+    return -1;
+}
+
+static int __uac_open(void)
+{
+    if (uac_dev && uac_dev->open) {
+        return uac_dev->open();
+    } else {
+        uac_loge("Invalid uac_dev.\n");
+    }
+
+    return -1;
+}
+
+static int __uac_close(void)
+{
+    if (uac_dev && uac_dev->close) {
+        return uac_dev->close();
+    } else {
+        uac_loge("Invalid uac_dev.\n");
+    }
+
+    return -1;
+}
+
+static int __uac_run(void)
+{
+    if (uac_dev && uac_dev->run) {
+        return uac_dev->run();
+    } else {
+        uac_loge("Invalid uac_dev.\n");
+    }
+
+    return 0;
+}
+
+static int __uac_stop(void)
+{
+    if (uac_dev && uac_dev->stop) {
+        return uac_dev->stop();
+    } else {
+        uac_loge("Invalid uac_dev.\n");
+    }
+
+    return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static uac_t __uac = {
+    .init = &__uac_init,
+    .deinit = &__uac_deinit,
+    .open = &__uac_open,
+    .close = &__uac_close,
+    .run = &__uac_run,
+    .stop = &__uac_stop,
+};
+
+uac_t *get_uac(void)
+{
+    return &__uac;
+}