!8484 修改build.gn错误，修改validator音频播放bug

Merge pull request !8484 from 秦莉文/master

multimedia/media/media_js_standard/avPlayer/BUILD.gn

@@ -23,8 +23,8 @@ ohos_js_hap_suite("avplayer_js_hap") {
   ets2abc = true
   certificate_profile = "signature/openharmony_sx.p7b"
   hap_name = "ActsAVPlayerTest"
-  subsystem_name = "ability"
-  part_name = "ability_runtime"
+  subsystem_name = "multimedia"
+  part_name = "multimedia_player_framework"
 }
 
 ohos_app_scope("ActsAVPlayerTest_app_profile") {

validator/acts_validator/src/main/ets/pages/model/AudioRenderer.ts

@@ -11,6 +11,7 @@ class AudioRenderer {
     private audioRenderer: audio.AudioRenderer = undefined
     private fd: number = undefined
     private offset: number = undefined
+	private length: number = undefined
 
     async createAudioRenderer(){
         let audioStreamInfo = {
@@ -46,6 +47,7 @@ class AudioRenderer {
             globalThis.abilityContext.resourceManager.getRawFd("test_44100_2.wav").then(value => {
                 this.fd = value.fd
 				this.offset = value.offset
+				this.length = value.length
                 Logger.info(this.tag, `getRawFd fd : ${this.fd}, offset: ${value.offset}, length: ${value.length}`)
             }).catch(err => {
                 console.log(`getRawFd fail err: ${err}, message: ${err.message}, code: ${err.code}`);
@@ -53,8 +55,9 @@ class AudioRenderer {
 
             let bufferSize = await this.audioRenderer.getBufferSize()
             Logger.info(this.tag, `audioRenderer bufferSize:` + JSON.stringify(bufferSize))
-            let stat = await fs.stat(this.fd);
-            let len = stat.size % bufferSize == 0 ? Math.floor(stat.size / bufferSize) : Math.floor(stat.size / bufferSize + 1);
+//            let stat = await fs.stat(this.fd);
+//            let len = stat.size % bufferSize == 0 ? Math.floor(stat.size / bufferSize) : Math.floor(stat.size / bufferSize + 1);
+            let len = this.length % bufferSize == 0 ? Math.floor(this.length / bufferSize) : Math.floor(this.length / bufferSize + 1);
             let buf = new ArrayBuffer(bufferSize);
             while (true) {
                 for (let i = 0;i < len; i++) {