diff --git a/zh-cn/application-dev/media/audio-playback.md b/zh-cn/application-dev/media/audio-playback.md index 98d06c159904f39eb2293ca27d9db653c48b77a2..1bb5841f1cfd21accee96c6f3c7690ec9817385d 100644 --- a/zh-cn/application-dev/media/audio-playback.md +++ b/zh-cn/application-dev/media/audio-playback.md @@ -26,6 +26,10 @@ 详细API含义可参考:[媒体服务API文档AudioPlayer](../reference/apis/js-apis-media.md#audioplayer) +> **说明:** +> +> path路径在FA模型和Stage模型下的获取方式不同,示例代码中仅给出pathDir示例,具体的path路径请开发者根据实际情况获取。获取方式请参考[应用沙箱路径使用说明](../reference/apis/js-apis-fileio.md#使用说明)。 + ### 全流程场景 音频播放的全流程场景包含:创建实例,设置uri,播放音频,跳转播放位置,设置音量,暂停播放,获取轨道信息,停止播放,重置,释放资源等流程。 @@ -35,7 +39,6 @@ AudioPlayer支持的src媒体源输入类型可参考:[src属性说明](../ref ```js import media from '@ohos.multimedia.media' import fileIO from '@ohos.fileio' -import featureAbility from '@ohos.ability.featureAbility' // 打印码流轨道信息 function printfDescription(obj) { @@ -106,14 +109,9 @@ async function audioPlayerDemo() { setCallBack(audioPlayer); // 设置事件回调 // 2. 用户选择音频,设置uri let fdPath = 'fd://' + let pathDir = "/data/storage/el2/base/haps/entry/files" // pathDir在FA模型和Stage模型的获取方式不同,请参考开发步骤首行的说明,根据实际情况自行获取。 // path路径的码流可通过"hdc file send D:\xxx\01.mp3 /data/app/el2/100/base/ohos.acts.multimedia.audio.audioplayer/haps/entry/files" 命令,将其推送到设备上 - let path = '' - var context = featureAbility.getContext(); - await context.getFilesDir().then((fileDir) => { - console.info("case file dir is" + JSON.stringify(fileDir)); - path = fileDir + '/01.mp3'; - console.info("case path is" + path); - }); + let path = pathDir + '/01.mp3' await fileIO.open(path).then((fdNumber) => { fdPath = fdPath + '' + fdNumber; console.info('open fd success fd is' + fdPath); @@ -131,7 +129,6 @@ async function audioPlayerDemo() { ```js import media from '@ohos.multimedia.media' import fileIO from '@ohos.fileio' -import featureAbility from '@ohos.ability.featureAbility' export class AudioDemo { // 设置播放器回调函数 @@ -154,14 +151,9 @@ export class AudioDemo { let audioPlayer = media.createAudioPlayer(); // 创建一个音频播放实例 this.setCallBack(audioPlayer); // 设置事件回调 let fdPath = 'fd://' + let pathDir = "/data/storage/el2/base/haps/entry/files" // pathDir在FA模型和Stage模型的获取方式不同,请参考开发步骤首行的说明,根据实际情况自行获取。 // path路径的码流可通过"hdc file send D:\xxx\01.mp3 /data/app/el2/100/base/ohos.acts.multimedia.audio.audioplayer/haps/entry/files" 命令,将其推送到设备上 - let path = '' - var context = featureAbility.getContext(); - await context.getFilesDir().then((fileDir) => { - console.info("case file dir is" + JSON.stringify(fileDir)); - path = fileDir + '/01.mp3'; - console.info("case path is" + path); - }); + let path = pathDir + '/01.mp3' await fileIO.open(path).then((fdNumber) => { fdPath = fdPath + '' + fdNumber; console.info('open fd success fd is' + fdPath); @@ -180,7 +172,6 @@ export class AudioDemo { ```js import media from '@ohos.multimedia.media' import fileIO from '@ohos.fileio' -import featureAbility from '@ohos.ability.featureAbility' export class AudioDemo { // 设置播放器回调函数 @@ -208,14 +199,9 @@ export class AudioDemo { async nextMusic(audioPlayer) { this.isNextMusic = true; let nextFdPath = 'fd://' + let pathDir = "/data/storage/el2/base/haps/entry/files" // pathDir在FA模型和Stage模型的获取方式不同,请参考开发步骤首行的说明,根据实际情况自行获取。 // path路径的码流可通过"hdc file send D:\xxx\02.mp3 /data/app/el2/100/base/ohos.acts.multimedia.audio.audioplayer/haps/entry/files" 命令,将其推送到设备上 - let nextpath = '' - var context = featureAbility.getContext(); - await context.getFilesDir().then((fileDir) => { - console.info("case file dir is" + JSON.stringify(fileDir)); - nextpath = fileDir + '/02.mp3'; - console.info("case path is" + nextpath); - }); + let nextpath = pathDir + '/02.mp3' await fileIO.open(nextpath).then((fdNumber) => { nextFdPath = nextFdPath + '' + fdNumber; console.info('open fd success fd is' + nextFdPath); @@ -231,14 +217,9 @@ export class AudioDemo { let audioPlayer = media.createAudioPlayer(); // 创建一个音频播放实例 this.setCallBack(audioPlayer); // 设置事件回调 let fdPath = 'fd://' + let pathDir = "/data/storage/el2/base/haps/entry/files" // pathDir在FA模型和Stage模型的获取方式不同,请参考开发步骤首行的说明,根据实际情况自行获取。 // path路径的码流可通过"hdc file send D:\xxx\01.mp3 /data/app/el2/100/base/ohos.acts.multimedia.audio.audioplayer/haps/entry/files" 命令,将其推送到设备上 - let path = '' - var context = featureAbility.getContext(); - await context.getFilesDir().then((fileDir) => { - console.info("case file dir is" + JSON.stringify(fileDir)); - path = fileDir + '/01.mp3'; - console.info("case path is" + path); - }); + let path = pathDir + '/01.mp3' await fileIO.open(path).then((fdNumber) => { fdPath = fdPath + '' + fdNumber; console.info('open fd success fd is' + fdPath); @@ -257,7 +238,6 @@ export class AudioDemo { ```js import media from '@ohos.multimedia.media' import fileIO from '@ohos.fileio' -import featureAbility from '@ohos.ability.featureAbility' export class AudioDemo { // 设置播放器回调函数 @@ -276,14 +256,9 @@ export class AudioDemo { let audioPlayer = media.createAudioPlayer(); // 创建一个音频播放实例 this.setCallBack(audioPlayer); // 设置事件回调 let fdPath = 'fd://' + let pathDir = "/data/storage/el2/base/haps/entry/files" // pathDir在FA模型和Stage模型的获取方式不同,请参考开发步骤首行的说明,根据实际情况自行获取。 // path路径的码流可通过"hdc file send D:\xxx\01.mp3 /data/app/el2/100/base/ohos.acts.multimedia.audio.audioplayer/haps/entry/files" 命令,将其推送到设备上 - let path = '' - var context = featureAbility.getContext(); - await context.getFilesDir().then((fileDir) => { - console.info("case file dir is" + JSON.stringify(fileDir)); - path = fileDir + '/01.mp3'; - console.info("case path is" + path); - }); + let path = pathDir + '/01.mp3' await fileIO.open(path).then((fdNumber) => { fdPath = fdPath + '' + fdNumber; console.info('open fd success fd is' + fdPath);