Diff: DuerOS-Light-SDK-v1.1.0/duer-os-light/src/media-data-manager/baidu_media_manager.h

Revision:

47:9e361da97763

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DuerOS-Light-SDK-v1.1.0/duer-os-light/src/media-data-manager/baidu_media_manager.h	Tue Jul 18 16:54:45 2017 +0800
@@ -0,0 +1,104 @@
+// Copyright 2017 Baidu Inc. All Rights Reserved.
+// Author: Chen Xihao (chenxihao@baidu.com)
+//
+// Description: Media Manager
+
+#ifndef BAIDU_TINYDU_IOT_OS_SRC_MEDIA_DATA_MANAGER_BAIDU_MEDIA_MANAGER_H
+#define BAIDU_TINYDU_IOT_OS_SRC_MEDIA_DATA_MANAGER_BAIDU_MEDIA_MANAGER_H
+
+#include <stddef.h>
+#include "baidu_media_play_type.h"
+
+namespace duer {
+
+class MediaManager {
+public:
+    static MediaManager& instance();
+
+    /*
+     * Initialize MediaManager object.
+     *
+     * @Return bool, success: true, fail: false
+     */
+    bool initialize();
+
+    /*
+     * Initialize MediaManager object by buffer .
+     *
+     * @Param buffer, buffer for media data
+     * @Param size, size of buffer
+     * @Return bool, success: true, fail: false
+     */
+    bool initialize(void* buffer, size_t size);
+
+    /*
+     * Play network media file
+     *
+     * @Param url, media file's url
+     * @Return MediaPlayerStatus, the last status of media player
+     */
+    MediaPlayerStatus play_url(const char* url);
+
+    /*
+     * Play local media file
+     *
+     * @Param path, media file's path
+     * @Return MediaPlayerStatus, the last status of media player
+     */
+    MediaPlayerStatus play_local(const char* path);
+
+    /*
+     * If media player's status is playing/pause, pause/resume it
+     *
+     * @Return MediaPlayerStatus, the last status of media player
+     */
+    MediaPlayerStatus pause_or_resume();
+
+    /*
+     * Stop media player
+     *
+     * @Return MediaPlayerStatus, the last status of media player
+     */
+    MediaPlayerStatus stop();
+
+    /*
+     * Get status of media player
+     *
+     * @Return MediaPlayerStatus, the current status of media player
+     */
+    MediaPlayerStatus get_media_player_status();
+
+    /*
+     * Register the callback function which is called when media player stop
+     * Can't register more than 5 function
+     *
+     * @Param callback, callback function
+     * @Return int, success: 0, fail: -1
+     */
+    int register_stop_callback(media_player_stop_callback callback);
+
+    /*
+     * Unregister the callback function
+     *
+     * @Param callback, callback function
+     * @Return int, success: 0, fail: -1
+     */
+    int unregister_stop_callback(media_player_stop_callback callback);
+
+    /*
+     * Set volume of audio
+     *
+     * @Param vol, effective range is 0~15
+     */
+    void set_volume(unsigned char vol);
+
+private:
+    MediaManager();
+
+    static MediaManager _s_instance;
+    static bool _s_initialized;
+};
+
+} // namespace duer
+
+#endif // BAIDU_TINYDU_IOT_OS_SRC_MEDIA_DATA_MANAGER_BAIDU_MEDIA_MANAGER_H