# ijkplayer
**Repository Path**: manuqiao/ijkplayer
## Basic Information
- **Project Name**: ijkplayer
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: GPL-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No
## Statistics
- **Stars**: 0
- **Forks**: 90
- **Created**: 2023-05-25
- **Last Updated**: 2024-06-07
## Categories & Tags
**Categories**: Uncategorized
**Tags**: None
## README
# ijkplayer
## 简介
>  ijkplayer是OpenHarmony环境下可用的一款基于FFmpeg的视频播放器。
## 演示
## 编译运行
1、通过IDE工具下载依赖SDK,Tools->SDK Manager->OpenHarmony SDK 把native选项勾上下载,API版本>=9
2、开发板选择RK3568,[ROM下载地址](http://ci.openharmony.cn/dailys/dailybuilds). 选择开发板类型是rk3568,请使用最新的版本
## 下载安装
```shell
ohpm install @ohos/ijkplayer
```
## 使用说明
```
   import { IjkMediaPlayer } from "@ohos/ijkplayer";
   import type { OnPreparedListener } from "@ohos/ijkplayer";
   import type { OnVideoSizeChangedListener } from "@ohos/ijkplayer";
   import type { OnCompletionListener } from "@ohos/ijkplayer";
   import type { OnBufferingUpdateListener } from "@ohos/ijkplayer";
   import type { OnErrorListener } from "@ohos/ijkplayer";
   import type { OnInfoListener } from "@ohos/ijkplayer";
   import type { OnSeekCompleteListener } from "@ohos/ijkplayer";
   import { LogUtils } from "@ohos/ijkplayer";
```
### 在UI中配置XComponent控件
```
    XComponent({
      id: 'xcomponentId',
      type: 'surface',
      libraryname: 'ijkplayer_napi'
    })
    .onLoad((context) => {
      this.initDelayPlay(context);
     })
     .onDestroy(() => {
     })
     .width('100%')
     .aspectRatio(this.aspRatio)
```          
### 播放
```
    let mIjkMediaPlayer = IjkMediaPlayer.getInstance();
    // 设置XComponent回调的context
    mIjkMediaPlayer.setContext(this.mContext);
    // 设置debug模式
    mIjkMediaPlayer.setDebug(true);
    // 初始化配置
    mIjkMediaPlayer.native_setup();
    //设置HTTP头
    let headers = new Map();
    headers.set("user-agent", "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Mobile Safari/537.36 Edg/113.0.1774.42");
    // 设置视频源
    mIjkMediaPlayer.setDataSource(url, headers);
    // 使用精确寻帧 例如,拖动播放后,会寻找最近的关键帧进行播放,很有可能关键帧的位置不是拖动后的位置,而是较前的位置.可以设置这个参数来解决问题
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "enable-accurate-seek", "1");
    // 预读数据的缓冲区大小
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "max-buffer-size", "102400");
    // 停止预读的最小帧数
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "min-frames", "100");
    // 启动预加载
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "start-on-prepared", "1");
    // 设置无缓冲,这是播放器的缓冲区,有数据就播放
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "packet-buffering", "0");
    // 跳帧处理,放CPU处理较慢时,进行跳帧处理,保证播放流程,画面和声音同步
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "framedrop", "5");
    // 最大缓冲cache是3s, 有时候网络波动,会突然在短时间内收到好几秒的数据
    // 因此需要播放器丢包,才不会累积延时
    // 这个和第三个参数packet-buffering无关。
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "max_cached_duration", "3000");
    // 无限制收流
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "infbuf", "1");
    // 屏幕常亮
    mIjkMediaPlayer.setScreenOnWhilePlaying(true);
    // 设置超时
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "timeout", "10000000");
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "connect_timeout", "10000000");
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "listen_timeout", "10000000");
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "addrinfo_timeout", "10000000");
    mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "dns_cache_timeout", "10000000");
    
    let mOnVideoSizeChangedListener: OnVideoSizeChangedListener = {
      onVideoSizeChanged(width: number, height: number, sar_num: number, sar_den: number) {
        that.aspRatio = width / height;
        LogUtils.getInstance()
          .LOGI("setOnVideoSizeChangedListener-->go:" + width + "," + height + "," + sar_num + "," + sar_den)
        that.hideLoadIng();
      }
    }
    mIjkMediaPlayer.setOnVideoSizeChangedListener(mOnVideoSizeChangedListener);
    let mOnPreparedListener: OnPreparedListener = {
      onPrepared() {
        LogUtils.getInstance().LOGI("setOnPreparedListener-->go");
      }
    }
    mIjkMediaPlayer.setOnPreparedListener(mOnPreparedListener);
    let mOnCompletionListener: OnCompletionListener = {
      onCompletion() {
        LogUtils.getInstance().LOGI("OnCompletionListener-->go")
        that.currentTime = that.stringForTime(mIjkMediaPlayer.getDuration());
        that.progressValue = PROGRESS_MAX_VALUE;
        that.stop();
      }
    }
    mIjkMediaPlayer.setOnCompletionListener(mOnCompletionListener);
    let mOnBufferingUpdateListener: OnBufferingUpdateListener = {
      onBufferingUpdate(percent: number) {
        LogUtils.getInstance().LOGI("OnBufferingUpdateListener-->go:" + percent)
      }
    }
    mIjkMediaPlayer.setOnBufferingUpdateListener(mOnBufferingUpdateListener);
    let mOnSeekCompleteListener: OnSeekCompleteListener = {
      onSeekComplete() {
        LogUtils.getInstance().LOGI("OnSeekCompleteListener-->go")
        that.startPlayOrResumePlay();
      }
    }
    mIjkMediaPlayer.setOnSeekCompleteListener(mOnSeekCompleteListener);
    let mOnInfoListener: OnInfoListener = {
      onInfo(what: number, extra: number) {
        LogUtils.getInstance().LOGI("OnInfoListener-->go:" + what + "===" + extra)
      }
    }
    mIjkMediaPlayer.setOnInfoListener(mOnInfoListener);
    let mOnErrorListener: OnErrorListener = {
      onError(what: number, extra: number) {
        LogUtils.getInstance().LOGI("OnErrorListener-->go:" + what + "===" + extra)
        that.hideLoadIng();
        prompt.showToast({
          message:"亲,视频播放异常,系统开小差咯"
        });
      }
    }
    mIjkMediaPlayer.setOnErrorListener(mOnErrorListener);
    mIjkMediaPlayer.setMessageListener();
    mIjkMediaPlayer.prepareAsync();
    mIjkMediaPlayer.start();
```
### 暂停
```
   mIjkMediaPlayer.pause();
```
### 停止
```
   mIjkMediaPlayer.stop();
```
### 重置
```
   mIjkMediaPlayer.reset();
```
### 释放
```
   mIjkMediaPlayer.release();
```
### 快进、后退
```
   mIjkMediaPlayer.seekTo(msec);
```
### 倍数播放
```
   mIjkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "soundtouch", "1");
   mIjkMediaPlayer.setSpeed("2f");
```
### 屏幕常亮
```
   mIjkMediaPlayer.setScreenOnWhilePlaying(true);
```
### 循环播放
```
   mIjkMediaPlayer.setLoopCount(true);
```
### 设置音量
```
   mIjkMediaPlayer.setVolume(leftVolume, rightVolume);
```
## 接口说明
### IjkMediaPlayer.getInstance()
| 接口名                      | 参数                         | 返回值             | 说明                                       |
| ---------------------------| --------------------------- | ----------------- | ----------------------------------------- |
| setContext                 | context: object            | void              | 设置XComponent回调的context                 |
| setDebug                   | open: boolean              | void              | 设置日志开关                                |
| native_setup               | 无                         | void              | 初始化配置                                |
| setDataSource              | url: string, headers: Map    | void | 设置视频源地址                            |
| setOption                  | category:string, key: string, value: string | void | 设置播放前预设参数                         |
| setOptionLong              | category:string, key: string, value: string | void | 设置播放前预设参数                            |
| prepareAsync               | 无                           | void              | 加载视频                                   |
| start                      | 无                           | void              | 播放视频                                   |
| stop                       | 无                           | void              | 停止播放                                   |
| pause                      | 无                           | void              | 暂停播放                                   |
| reset                      | 无                           | void              | 视频重置                                   | 
| release                    | 无                           | void              | 释放资源                                   |
| seekTo                     | msec: string                | void              | 快进、后退                                 |
| setScreenOnWhilePlaying    | on: boolean                  | void              | 设置屏幕常亮                               |
| setSpeed                   | speed: string                | void              | 设置播放倍数                               |
| getSpeed                   | 无                           | number             | 获取设置的倍数                              |
| isPlaying                   | 无                           | boolean            | 查看是否正在播放状态                        |
| setOnVideoSizeChangedListener | listener: OnVideoSizeChangedListener | void     | 设置获取视频宽高回调监听                     |
| setOnPreparedListener       | listener: OnPreparedListener           | void     | 设置视频准备就绪回调监听                     |
| setOnInfoListener           | listener: OnInfoListener               | void     | 设置播放器的各种状态回调监听                  |
| setOnErrorListener          | listener: OnErrorListener              | void     | 设置播放异常回调监听                        |
| setOnBufferingUpdateListener | listener: OnBufferingUpdateListener   | void     | 设置buffer缓冲回调监听                     |
| setOnSeekCompleteListener    | listener: OnSeekCompleteListener      | void     | 设置快进后退回调监听                        |
| setOnTimedTextListener       | listener: OnTimedTextListener         | void     | 设置字幕回调监听                           |
| setMessageListener           | 无                          | void              | 设置视频监听器到napi用于接收回调              |
| getVideoWidth                | 无                          | number            | 获取视频宽度                               |
| getVideoHeight                | 无                          | number            | 获取视频高度                              |
| getVideoSarNum                | 无                          | number            | 获取视频高度                              |
| getVideoSarDen                | 无                          | number            | 获取视频高度                              |
| getDuration                   | 无                          | number            | 获取视频总的时长                           |
| getCurrentPosition            | 无                          | number            | 获取视频播放当前位置                        |
| getAudioSessionId             | 无                          | number             | 获取音频sessionID                        |
| setVolume                     | leftVolume: string,rightVolume:string | void   | 设置音量                                 |
| setLoopCount                  | looping: boolean             | void               | 设置循环播放                              |
| isLooping                     | 无                           | boolean            | 查看当前是否循环播放                        |
| selectTrack                   | track: string                | void               | 选择轨道                                 |
| deselectTrack                 | track: string                | void               | 删除选择轨道                              |
| getMediaInfo                  | 无                           | object              | 获取媒体信息                              |
## 依赖的三方库编译指导
1、FFmpeg:基于B站的FFmpeg版本(ff4.0--ijk0.8.8--20210426--001):[FFmpeg源码链接](https://github.com/bilibili/FFmpeg/tags), 由于工具链问题,请使用GN编译,编译教程参考:[OpenHarmony编译构建指导](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/subsystems/subsys-build-all.md). 编译脚本参考详见目录:doc/FFmpeg/
2、soudtouch:基于B站的soudtouch版本(ijk-r0.1.2-dev):[soundtouch源码链接](https://github.com/bilibili/soundtouch/branches), 标准的库,可直接通过DevEco Studio cmake编译,编译脚本参考详见目录:doc/soundtouch
3、yuv:基于B站的yuv版本(ijk-r0.2.1-dev):[yuv源码链接](https://github.com/bilibili/libyuv/branches), 标准的库,可直接通过DevEco Studio cmake编译,编译脚本参考详见目录:doc/yuv
## 约束与限制
在下述版本验证通过:
DevEco Studio: 3.1Beta2(3.1.0.400), SDK: API9 Release(3.2.11.9)
## 目录结构
```javascript
|---- ijkplayer  
|     |---- entry  # 示例代码文件夹
|     |---- ijkplayer  # ijkplayer 库文件夹
|			|---- cpp  # native模块
|                  |----- ijkplayer # ijkplayer内部业务
|                  |----- ijksdl    # ijkplayer内部业务
|                  |----- napi      # 封装NAPI接口
|                  |----- proxy     # 代理提供给NAPI调用处理ijkplayer内部业务
|                  |----- third_party #三方库依赖 
|                  |----- utils     #工具
|            |---- ets  # ets接口模块
|                  |----- callback  #视频回调接口
|                  |----- common    #常量
|                  |----- utils     #工具  
|                  |----- IjkMediaPlayer.ets #ijkplayer暴露的napi调用接口
|     |---- README.MD  # 安装使用方法                   
```
## 贡献代码
使用过程中发现任何问题都可以提[Issue](https://gitee.com/openharmony-sig/ijkplayer/issues) 给我们,当然,我们也非常欢迎你给我们提[PR](https://gitee.com/openharmony-sig/ijkplayer/pulls)。
## 开源协议
本项目基于 [Apache License 2.0](https://gitee.com/openharmony-sig/ijkplayer/blob/master/LICENSE),请自由地享受和参与开源。