Playback Troubleshooting - Revision history

Jb: /* VLC media player */

2012-09-08T16:25:58Z

VLC media player

← Older revision		Revision as of 16:25, 8 September 2012
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	WebM support is available since 1.1.0.		WebM support is available since 1.1.0.

-	Opus support is available since 2.0.4.	+	Ogg/Opus support is available since 2.0.4.

-	Past releases had tiny problems specific to some videos or systems (fixed in 1.1.4), OGG file duration is frequently reported badly or not at all~~, (fixed in 2.0.4)~~, that problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain OGG/Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]).	+	Past releases had tiny problems specific to some videos or systems (fixed in 1.1.4), OGG file duration is frequently reported badly or not at all, that problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain OGG/Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]). (fixed in 2.0.4)
	Problems with insufficient CPU performance with Ogg/Dirac have been fixed in (2.0.0).		Problems with insufficient CPU performance with Ogg/Dirac have been fixed in (2.0.0).

Jb: /* VLC */

2012-09-08T16:24:02Z

VLC

← Older revision		Revision as of 16:24, 8 September 2012
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	Totem supports Ogg and WebM playback via native support in gstreamer.		Totem supports Ogg and WebM playback via native support in gstreamer.

-	===VLC===	+	===VLC media player===

-	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), OGG file duration is frequently reported badly or not at all, ~~not~~ fixed in ~~1.1.6 (~~2.0 ~~is out, needs retest~~), problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain ~~audio-only~~ OGG Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]). ~~WebM support is available since 1~~.1.0 ~~(most~~ files ~~do play correctly, some~~ don't?)~~, also OGG Dirac is supported, but problems with insufficient CPU performance~~.	+	VLC has had good native Ogg Theora support since the GoldenEye (1.0.0) release, Theora and Vorbis decoder seems fully compliant. Ogg/Dirac is supported.
		+
		+	WebM support is available since 1.1.0.
		+
		+	Opus support is available since 2.0.4.
		+
		+	Past releases had tiny problems specific to some videos or systems (fixed in 1.1.4), OGG file duration is frequently reported badly or not at all, (fixed in 2.0.4), that problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain OGG/Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]).
		+	Problems with insufficient CPU performance with Ogg/Dirac have been fixed in (2.0.0).
		+
		+	Some webm files don't play correctly (samples?).

	===Windows Media Player===		===Windows Media Player===

DOS386: some updates

2012-03-11T16:05:28Z

some updates

← Older revision		Revision as of 16:05, 11 March 2012
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	Watching the clip in 480p quality works fine when watching from the very beginning, but when seeking to an unloaded scene, playback is very poor (Firefox 3.6.13, Windows XP Pro, 2.59 GHz CPU, 1.75 GB Ram here). Workaround: Pause the video and wait for a few seconds until pressing play again.		Watching the clip in 480p quality works fine when watching from the very beginning, but when seeking to an unloaded scene, playback is very poor (Firefox 3.6.13, Windows XP Pro, 2.59 GHz CPU, 1.75 GB Ram here). Workaround: Pause the video and wait for a few seconds until pressing play again.

-	====Firefox 4.0 (~~currently in~~ beta)====	+	====Firefox 4.0 (tested beta versions, now obsolete)====

	Firefox 4.0 features a new Ogg playback engine that allows considerably faster stream navigation, as well as WebM support.		Firefox 4.0 features a new Ogg playback engine that allows considerably faster stream navigation, as well as WebM support.
Line 120:		Line 120:
	Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.		Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.

-	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--~~Opera 11.01 is out, but~~ NOSCRIPT is broken in both 11.00 and 11.01-->	+	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--NOSCRIPT is broken in both 11.00 and 11.01, fixed in 11.10-->

-	Theora offset almost correct ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example: tiny green stripe at frame bottom]).	+	Theora offset almost correct ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example: tiny green stripe at frame bottom], other mirror: [http://jafile.com/uploads/dos386/ff5years.ogv]).

	===Safari===		===Safari===
Line 134:		Line 134:
	===Core Player===		===Core Player===

-	=== DUGL Player 0.44 ===	+	=== DUGL Player 0.44 and 0.50 ===

	Theora decoder seems fully compliant, but no sound yet, seeking / timing is bad.		Theora decoder seems fully compliant, but no sound yet, seeking / timing is bad.
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	===FFMPEG / ffplay===		===FFMPEG / ffplay===

-	As of release 0.6, ffmpeg supports WebM playback, and Ogg playback is solid with the exception of surround support (eg 5.1 and other surround encodings produced my modern Vorbis encoders will not play).	+	As of release 0.6 (obsolete, 0.10 is out), ffmpeg supports WebM playback, and Ogg playback is solid with the exception of surround support (eg 5.1 and other surround encodings produced my modern Vorbis encoders will not play).

	Prior to ffmpeg 0.6, WebM was not supported and Ogg video playback was broken due to a number of longstanding bugs caused by treating Theora as if it was just VP3 (eg, the 'sheet lightning acid trip' bug that caused the image to disintegrate into a shower of colored blocks). Many applications and video sharing sites (such as YouTube) are still using old versions of ffmpeg internally, and as such, they cannot handle Ogg video unless it is encoded in 'vp3 compatibility mode'.		Prior to ffmpeg 0.6, WebM was not supported and Ogg video playback was broken due to a number of longstanding bugs caused by treating Theora as if it was just VP3 (eg, the 'sheet lightning acid trip' bug that caused the image to disintegrate into a shower of colored blocks). Many applications and video sharing sites (such as YouTube) are still using old versions of ffmpeg internally, and as such, they cannot handle Ogg video unless it is encoded in 'vp3 compatibility mode'.
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	===VLC===		===VLC===

-	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), OGG file duration is frequently reported badly or not at all, not fixed in 1.1.6, problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain audio-only OGG Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]). WebM support is available since 1.1.0 (most files do play correctly, some don't?), also OGG Dirac is supported, but problems with insufficient CPU performance.	+	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), OGG file duration is frequently reported badly or not at all, not fixed in 1.1.6 (2.0 is out, needs retest), problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain audio-only OGG Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]). WebM support is available since 1.1.0 (most files do play correctly, some don't?), also OGG Dirac is supported, but problems with insufficient CPU performance.

	===Windows Media Player===		===Windows Media Player===

DOS386: Opera also seems to have a tiny offset problem ...

2011-02-22T07:12:02Z

Opera also seems to have a tiny offset problem ...

← Older revision		Revision as of 07:12, 22 February 2011
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	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->		As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->

-	Theora offset almost correct ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example: tiny green stripe at bottom]).	+	Theora offset almost correct ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example: tiny green stripe at frame bottom]).

	===Safari===		===Safari===

DOS386: Theora also has a tiny offset problem

2011-02-22T07:10:38Z

Theora also has a tiny offset problem

← Older revision		Revision as of 07:10, 22 February 2011
Line 121:		Line 121:

	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->		As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->
		+
		+	Theora offset almost correct ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example: tiny green stripe at bottom]).

	===Safari===		===Safari===
Line 157:		Line 159:

	Remaining issues:		Remaining issues:
-	* Offset test fails ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example]), shows what shouldn't be visible [http://bugzilla.mplayerhq.hu/show_bug.cgi?id=1492 BUG#1492, open since 2009-06-14]	+	* Offset test fails ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example: thick green stripe at bottom]), shows what shouldn't be visible [http://bugzilla.mplayerhq.hu/show_bug.cgi?id=1492 BUG#1492, open since 2009-06-14]
	* Output to YUV4MPEG always downsampled to 4:2:0 (flaw, no Bugzilla entry exists)		* Output to YUV4MPEG always downsampled to 4:2:0 (flaw, no Bugzilla entry exists)

DOS386: "bad" examples

2011-02-22T07:07:55Z

"bad" examples

← Older revision		Revision as of 07:07, 22 February 2011
Line 157:		Line 157:

	Remaining issues:		Remaining issues:
-	* Offset test fails, shows what shouldn't be visible [http://bugzilla.mplayerhq.hu/show_bug.cgi?id=1492 BUG#1492, open since 2009-06-14]	+	* Offset test fails ([http://ompldr.org/vN2c4Nw/FF5YEARS.OGV example]), shows what shouldn't be visible [http://bugzilla.mplayerhq.hu/show_bug.cgi?id=1492 BUG#1492, open since 2009-06-14]
	* Output to YUV4MPEG always downsampled to 4:2:0 (flaw, no Bugzilla entry exists)		* Output to YUV4MPEG always downsampled to 4:2:0 (flaw, no Bugzilla entry exists)

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	===VLC===		===VLC===

-	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), OGG file duration is frequently reported badly or not at all, not fixed in 1.1.6, problem can be reproduced with Theora videos but also with plain audio-only OGG Vorbis files. WebM support is available since 1.1.0 (most files do play correctly, some don't?), also OGG Dirac is supported, but problems with insufficient CPU performance.	+	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), OGG file duration is frequently reported badly or not at all, not fixed in 1.1.6, problem can be reproduced with Theora videos ([http://ompldr.org/vN2E3OA/FF35.OGV example]) but also with plain audio-only OGG Vorbis files ([http://ompldr.org/vN2E3NA/CARMEM.OGA example]). WebM support is available since 1.1.0 (most files do play correctly, some don't?), also OGG Dirac is supported, but problems with insufficient CPU performance.

	===Windows Media Player===		===Windows Media Player===

DOS386: Tiny updates on Firefox, Opera, VLC

2011-02-02T08:47:16Z

Tiny updates on Firefox, Opera, VLC

← Older revision		Revision as of 08:47, 2 February 2011
Line 120:		Line 120:
	Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.		Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.

-	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play an "isolated" video ~~file~~. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->	+	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play "isolated" video files, neither from Internet nor from local storage. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->

	===Safari===		===Safari===

DOS386: tiny updates on Firefox, Opera, VLC

2011-02-02T08:43:21Z

tiny updates on Firefox, Opera, VLC

← Older revision		Revision as of 08:43, 2 February 2011
Line 54:		Line 54:
	Controls / seeking don't work in unfullscreen mode if JavaScript is off, [https://bugzilla.mozilla.org/show_bug.cgi?id=449358 BUG#449358], not easy to fix, still "NEW". Since 3.6 a fullscreen mode exists not suffering from this problem. If controls are visible, they work properly (correct time is shown, seeking works if nothing else comes into the way) with both Theora and WebM.		Controls / seeking don't work in unfullscreen mode if JavaScript is off, [https://bugzilla.mozilla.org/show_bug.cgi?id=449358 BUG#449358], not easy to fix, still "NEW". Since 3.6 a fullscreen mode exists not suffering from this problem. If controls are visible, they work properly (correct time is shown, seeking works if nothing else comes into the way) with both Theora and WebM.

-	Firefox can play ~~videos~~ from local storage too, if the file has proper extension. Both ".OGG" and ".OGV" are accepted, since 4.0 also ".WEBM", but for example ".WEB" will not work.	+	Firefox can play "isolated" video files from local storage too, if the file has proper extension. Both ".OGG" and ".OGV" are accepted, since 4.0 also ".WEBM", but for example ".WEB" will not work.

	====Firefox 3.6.x====		====Firefox 3.6.x====
Line 120:		Line 120:
	Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.		Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.

-	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time.	+	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5 with mime type properly set, it won't play an "isolated" video file. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time. <!--Opera 11.01 is out, but NOSCRIPT is broken in both 11.00 and 11.01-->

	===Safari===		===Safari===
Line 172:		Line 172:
	===VLC===		===VLC===

-	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), ~~video~~ duration is reported badly or not at all. WebM support is available since 1.1.0, also OGG Dirac is supported, but problems with insufficient CPU performance.	+	VLC has had good native Ogg Theora support since the GoldenEye release, Theora decoder seems fully compliant, tiny problems specific to some videos or systems (fixed?), OGG file duration is frequently reported badly or not at all, not fixed in 1.1.6, problem can be reproduced with Theora videos but also with plain audio-only OGG Vorbis files. WebM support is available since 1.1.0 (most files do play correctly, some don't?), also OGG Dirac is supported, but problems with insufficient CPU performance.

	===Windows Media Player===		===Windows Media Player===

Anordal: Opera can play from local storage

2011-02-02T00:51:18Z

Opera can play from local storage

← Older revision		Revision as of 00:51, 2 February 2011
Line 120:		Line 120:
	Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.		Opera released an experimental Ogg Theora enabled build in 2007 as the very earliest attempt to support video in a browser ever, official HTML5 video support since 10.50 (Theora only, hangs on some systems), since 10.60 problem is fixed and additionally WeBM is supported.

-	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can~~'t play videos from local storage,~~ only ~~from the Internet if properly~~ embedded in HTML5. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time.	+	As of 10.63, controls are visible even with JavaScript off, fully working for WebM, but for Theora only sound volume and already played time indicator do work, there is no total time and no progress / seeking. Opera can only play media files when embedded in HTML5. There are tiny buffering / smoothness issues if CPU performance is insufficient to play in real time.

	===Safari===		===Safari===

Anordal: /* Konqueror */

2011-02-02T00:35:02Z

Konqueror

← Older revision		Revision as of 00:35, 2 February 2011
Line 107:		Line 107:
	Issues:		Issues:
	* Using Xine as Phonon backend crashes Konqueror upon webm playback. (see [https://bugs.kde.org/show_bug.cgi?id=252377 KDE bugreport]). Use Gstreamer instead.		* Using Xine as Phonon backend crashes Konqueror upon webm playback. (see [https://bugs.kde.org/show_bug.cgi?id=252377 KDE bugreport]). Use Gstreamer instead.
-	* Cortado ~~does not work well in Konqueror and may get~~ in the way for ~~native playback~~. ~~In order to watch the video on~~ [~~http://www.xiph.org/video/vid1.shtml this page~~] ~~in Konqueror 4.5.4, Cortado must be disabled. You can do that by disabling Java.~~	+	* Cortado often gets in the way for Konqueror. See [[#Dual_playback_with_Cortado\|Dual playback with Cortado]]

	===Netscape Navigator===		===Netscape Navigator===