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  1. Apache Flex
  2. FLEX-34642

Playing recorded video from Wowza in a Spark VideoDisplay shows black screen but plays sound only

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Apache Flex 4.13.0, Apache Flex 4.12.1
    • Fix Version/s: Apache Flex 4.10.0
    • Component/s: Spark Components
    • Environment:
      iMac (20-inch, Early 2009), 2.66 GHz Intel Core 2 Duo, 4 GB 1067 MHz DDR3, NVIDIA GeForce 9400 256 MB.
      Mac OS Yosemete, Flash Builder 4.6, AIR 14.0 / 15.0, (iOS project)

      Description

      When trying to play a stream of recorded video file using Wowza 3.6.3, displayed in a Spark VideoDisplay component, the video is being played, can hear sound, but no picture only black screen.

      This bug happens only on version 4.12.0 and after.
      The bug doesn't happen on version 4.10.0 and before.

      code for reproducing the bug:
      ---------------------------------------
      var videoSource:DynamicStreamingVideoSource = new DynamicStreamingVideoSource();
      var videoStream:Vector.<DynamicStreamingVideoItem> = new Vector.<DynamicStreamingVideoItem>();
      var videoItem:DynamicStreamingVideoItem = new DynamicStreamingVideoItem();
      videoSource.host = "rtmp://0.0.0.0/vod";
      videoSource.streamType = StreamType.RECORDED;
      videoItem.streamName = "mp4:sample.mp4";
      videoStream.push(videoItem);
      videoItem.bitrate=128000;
      videoSource.streamItems = videoStream;
      vidPlayer.source = null;
      vidPlayer.source = videoSource;

      <s:VideoDisplay id="vidPlayer" autoPlay="true" />

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            • Assignee:
              Unassigned
              Reporter:
              amirguterman Amir Guterman
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              • Created:
                Updated:
                Resolved: