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Dash decoding fails in Chrome 52
Reported by
kristoff...@netlight.com,
Jul 8 2016
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Issue descriptionUserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.60 Safari/537.36 Example URL: https://beta.znipe.tv Steps to reproduce the problem: 1. Go to beta.znipe.tv, 2. Register 3. Pick a live match and start watch 2. After a short while the picture will hang and "reload". 3. What is the expected behavior? It should not freeze. What went wrong? We see decode errors in chrome://media-internals. Here is the output: Property Value audio_codec_name aac audio_dds false audio_decoder FFmpegAudioDecoder duration 2635587.749 error video decode error event WEBMEDIAPLAYER_DESTROYED found_audio_stream true found_video_stream true info Video codec: avc1.4D401F pipeline_error pipeline: decode error pipeline_state kStopped player_id 6 render_id 3026 url blob:https://cf.znipe.tv/770d3fd2-472b-4a57-92c8-5b3a9044a219 video_codec_name h264 video_dds false video_decoder GpuVideoDecoder 00:00:00 00 pipeline_state kCreated 00:00:00 00 event WEBMEDIAPLAYER_CREATED 00:00:04 777 url blob:https://cf.znipe.tv/770d3fd2-472b-4a57-92c8-5b3a9044a219 00:00:04 777 pipeline_state kInitDemuxer 00:00:04 822 duration 2635587.749 00:00:04 860 info Audio codec: mp4a.40.2. Sampling frequency: 44100Hz. Sampling frequency(Extension): 0Hz. Channel layout: 3. 00:00:04 860 found_audio_stream true 00:00:04 860 audio_codec_name aac 00:00:04 864 info Video codec: avc1.4D401F 00:00:04 864 found_video_stream true 00:00:04 864 video_codec_name h264 00:00:04 865 pipeline_state kInitRenderer 00:00:04 866 audio_dds false 00:00:04 866 audio_decoder FFmpegAudioDecoder 00:00:04 936 video_dds false 00:00:04 936 video_decoder GpuVideoDecoder 00:00:04 936 pipeline_state kPlaying 00:00:04 957 pipeline_state kSeeking 00:00:16 547 pipeline_state kPlaying 00:00:16 613 event PLAY 00:00:16 614 event PLAY 00:00:29 760 event PLAY 00:00:29 760 pipeline_state kSeeking 00:00:29 765 pipeline_state kPlaying 00:00:29 766 error video decode error 00:00:29 766 pipeline_state kStopping 00:00:29 766 pipeline_state kStopped 00:00:29 811 pipeline_error pipeline: decode error 00:00:29 811 event PAUSE 00:00:29 822 event WEBMEDIAPLAYER_DESTROYED Did this work before? Yes In Chrome 51 and prior Is it a problem with Flash or HTML5? N/A Does this work in other browsers? N/A Chrome version: 52.0.2743.60 Channel: beta OS Version: OS X 10.10.5 Flash Version: Shockwave Flash 22.0 r0 Sorry for the bad error description. We would love to get help giving better information.
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Jul 8 2016
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Jul 8 2016
This stream is invalid; it attempts to start playback on non-keyframes. This is a popular strategy for streaming sites to reduce metadata handling infrastructure, but now that Chrome implements non-keyframe MSE appends there is no legitimate reason to use this hack. There is already a workaround that will be released in M52 stable, but please note that the workaround may be changed or removed in the future. |
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Comment 1 by erikc...@chromium.org
, Jul 8 2016Status: Assigned (was: Unconfirmed)