完善wasm播放器,添加preload

zhangzengfei

2021-09-24 afa4e7baaefb69438052503b82fdfd55621cfc91

 src/components/wasmPlayer/wasm/player.js

@@ -16,6 +16,12 @@
  this.webglPlayer = null

  this.trackTimer = null
  this.loop = false
  this.preload = true
  this.preloadFlag = 0
  this.statusCallback = (stat) => {
    console.log(stat)
  }
}

Player.prototype.play = function(
@@ -69,6 +75,8 @@
          )
        }
        This.startTrackTimer()

        This.statusCallback(0)
        break
      }
      case 'create_audio': {
@@ -79,9 +87,17 @@
          sampleRate: This.AudioParam.sample_rate,
          flushingTime: 5000,
        })

        This.statusCallback(1)
        break
      }
      case 'deliver_video': {
        if (!This.isStream && This.preload && This.preloadFlag == 0) {
          This.preloadFlag = 1
          This.pause()
          This.statusCallback(0)
        }

        //sample:{time_stamp:xxx,data:xxx}
        This.CurPos = evt.data.sample.time_stamp
        This.webglPlayer.renderFrame(
@@ -96,6 +112,18 @@
        This.pcmPlayer.play(evt.data.sample.buf)
        break
      }
      case 'play_failed': {
        This.statusCallback(-1)
        This.stop()
        break
      }
      case 'play_end': {
        if (This.loop) {
          This.seek(0)
        }
        break
      }

      default:
        return
    }