Facing issue with Dash.js player

[Prajeesh Mohan]

Hello Guys,

I am very new to Chromium. This is my first post to the group :)

I wanted to playback some dash content using Dash.js player through chromium.

The steps which I have tried is given below,

1. Downloaded chromium source code (version : 49.0.2622.0)

2. Since most of the dash content is having H264 & AAC combination I wanted to enable "proprietary_codecs" & "ffmpeg_branding=Chrome".

3. Wrote a chromium.gyp_env file with the following variables,

    {

         'GYP_DEFINES': 'proprietary_codecs=1 ffmpeg_branding=Chrome'

    }

    The file was placed in the src/ directory of chromium

4. I was successful in building the chrome.exe with the above changes.

5. When I tried to run the dash player reference player from the chrome.exe which I have buit, am getting the following error from the JS console,

[13064][debug] Playback initiated! 

ManifestLoader.js:186 XHR finished loading: GET "http://dash.edgesuite.net/envivio/Envivio-dash2/manifest.mpd".doLoad @ ManifestLoader.js:186load @ ManifestLoader.js:207load @ StreamController.js:629play @ MediaPlayer.js:129doAutoPlay @ MediaPlayer.js:151resetAndPlay @ MediaPlayer.js:302attachSource @ MediaPlayer.js:1289$scope.doLoad @ main.js:668(anonymous function) @ angular.min.js:72(anonymous function) @ angular.min.js:144e.$eval @ angular.min.js:88e.$apply @ angular.min.js:88(anonymous function) @ angular.min.js:144x.event.dispatch @ jquery-1.10.2.min.js:5v.handle @ jquery-1.10.2.min.js:5

Debug.js:116 [13112][parser] Parsing complete: ( xml2json: 7ms, objectiron: 3ms, total: 0.01s) 

Debug.js:116 [13116][manifestUpdater] Manifest has been refreshed at Fri Feb 12 2016 15:10:00 GMT+0530 (India Standard Time)[1455270000901]  

Debug.js:116 [13166][streamController] MediaSource is open! 

Debug.js:116 [13167][streamController] [object Event] 

Debug.js:116 [13168][streamController] Duration successfully set to: 193.68 

Debug.js:116 [13170][eventController] Added 0 inline events 

Debug.js:116 [13172][stream] video codec: video/mp4;codecs="avc1.4D401E" 

Debug.js:116 [13173][stream] videoCodec (video/mp4;codecs="avc1.4D401E") is not supported. 

Debug.js:116 [13174][stream] audio codec: audio/mp4;codecs="mp4a.40.2" 

Debug.js:116 [13174][stream] audioCodec (audio/mp4;codecs="mp4a.40.2") is not supported. 

Debug.js:116 [13174][stream] No text data. 

Debug.js:116 [13174][stream] No fragmentedText data. 

Debug.js:116 [13175][stream] No muxed data. 

Debug.js:116 [13175][stream] No streams to play. 

The dash player URL used was -- http://dashif.org/reference/players/javascript/v1.6.0/samples/dash-if-reference-player/index.html

MPd file used -- http://dash.edgesuite.net/envivio/Envivio-dash2/manifest.mpd

The chrome:\\media-internals was giving the following information,

Property	Value
duration	193.68
event	WEBMEDIAPLAYER_CREATED
pipeline_state	kInitDemuxer
player_id	0
render_id	15
url	blob:http%3A//dashif.org/e8e5b8a2-5a7a-4bed-b7cc-afd309010cd7

Log 

Timestamp	Property	Value
00:00:00 00	pipeline_state	kCreated
00:00:00 00	event	WEBMEDIAPLAYER_CREATED
00:00:00 00	url	blob:http%3A//dashif.org/e8e5b8a2-5a7a-4bed-b7cc-afd309010cd7
00:00:00 00	pipeline_state	kInitDemuxer
00:00:00 04	duration	193.68

Can someone please guide me in resolving this issue.

Thanks,

Prajeesh

[PhistucK]

Does it play MP3 files?

☆PhistucK

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[Prajeesh Mohan]

Hi Phistuck,

I have not tried it. I was trying with mpd files with h264 & aac

[PhistucK]

So... try it and update?

I do not even mean with Media Source, but just in a regular <audio>.

☆PhistucK

[Prajeesh Mohan]

Is my compilation steps proper?

I want to check if i have given the proper build options through GYP_DEFINES.

[Anton Vayvod]

bcc:chromium-discuss

cc:chromium-dev

Have you run gyp_chromium / gclient runhooks after changing the chromium.gyp_env file? Are you using GYP or GN build?

You can search for the previous threads on chromium-dev to find out the correct flags too.