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Firefox cannot play some html5 youtube videos.

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Hi,

Recently, Firefox cannot play some html5 YouTube videos.

For example, Firefox cannot play this: https://www.youtube.com/watch?v=LoeSLQwCmZs

But it can play this: https://www.youtube.com/watch?v=1JqR3GVqib4

I refreshed Firefox, so it has not addons installed and cleared the cache but the problem persists.

The flash player plugin is disabled, but if I enable it, then both videos can be played.

I will greatly appreciate any help.


Here I add the YouTube debug information: {

   "ns" : "yt",
   "el" : "detailpage",
   "cpn" : "tEXLqpkGBxURyXkB",
   "docid" : "LoeSLQwCmZs",
   "ver" : 2,
   "referrer" : "https://support.mozilla.org/en-US/questions/1101735",
   "cmt" : "0",
   "plid" : "AAUoEH0Gerj8Zq0j",
   "ei" : "dQGDVvirJJD9-AXB3JKoBQ",
   "fmt" : "134",
   "fs" : "0",
   "rt" : "4.6",
   "of" : "dAF--QAZ8Bm3Znvn5eZB7w",
   "adformat" : null,
   "content_v" : null,
   "euri" : "",
   "subscribed" : null,
   "lact" : 1,
   "live" : null,
   "cl" : "110728076",
   "mos" : 0,
   "osid" : null,
   "state" : "c9",
   "vm" : "CAEQAQ",
   "volume" : 100,
   "c" : "WEB",
   "cver" : "html5",
   "cplayer" : "UNIPLAYER",
   "cbr" : "Firefox",
   "cbrver" : "43.0",
   "cos" : "X11",
   "hl" : "es_MX",
   "cr" : "US",
   "len" : "609",
   "fexp" : "9407610,9416126,9416985,9419488,9420260,9420452,9421979,9422541,9422596,9423662,9424618,9424638,9424845,9425493,9425702,9426127",
   "afmt" : "140",
   "vct" : "0.000",
   "vd" : "NaN",
   "vpl" : "",
   "vbu" : "",
   "vpa" : true,
   "vsk" : false,
   "ven" : false,
   "vpr" : 1,
   "vrs" : 0,
   "vns" : 0,
   "vec" : null,
       "vvol" : 1,
   "lct" : "0.000",
   "lsk" : true,
   "lmf" : false,
   "lbw" : "323396.601",
   "lhd" : "0.439",
   "ltd" : "191.600",
   "laa" : "itag=140,seg=0,range=1356-65535,time=0.0-4.0",
   "lva" : "itag=134,seg=0,range=2205-65535,time=0.0-2.5",
   "lar" : "",
   "lvr" : "",
   "lvh" : "",
   "debug_error" : {
       "errorCode" : "fmt.decode",
       "message" : "Se produjo un error. Vuelve a intentarlo m\u00e1s tarde.",
       "messageKey" : "YTP_ERROR_GENERIC_WITHOUT_LINK"
   },
   "ismb" : 2380000,
   "debug_videoId" : "LoeSLQwCmZs",
   "cgr" : true,
   "debug_playbackQuality" : "medium",
   "debug_date" : "Tue Dec 29 2015 15:56:10 GMT-0600 (CST)"

}

=======================================

Here I add the Firefox configuration information:

{

 "application": {
   "name": "Firefox",
   "version": "43.0",
   "buildID": "2015121300",
   "userAgent": "Mozilla/5.0 (X11; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0",
   "safeMode": false,
   "supportURL": "https://support.mozilla.org/1/firefox/43.0/Linux/es-ES/",
   "numTotalWindows": 1,
   "numRemoteWindows": 0,
   "remoteAutoStart": false
 },
 "modifiedPreferences": {
   "browser.cache.disk.smart_size.first_run": false,
   "browser.cache.disk.capacity": 358400,
   "browser.cache.disk.filesystem_reported": 1,
   "browser.cache.frecency_experiment": 2,
   "browser.download.importedFromSqlite": true,
   "browser.places.smartBookmarksVersion": 7,
   "browser.sessionstore.upgradeBackup.latestBuildID": "2015121300",
   "browser.startup.homepage_override.mstone": "43.0",
   "browser.startup.homepage_override.buildID": "2015121300",
   "dom.apps.reset-permissions": true,
   "dom.mozApps.used": true,
   "extensions.lastAppVersion": "43.0",
   "gfx.crash-guard.glcontext.deviceID": "Mesa DRI Intel(R) Haswell Mobile ",
   "gfx.crash-guard.glcontext.appVersion": "43.0",
   "gfx.crash-guard.glcontext.driverVersion": "3.0 Mesa 11.0.6",
   "gfx.crash-guard.status.glcontext": 2,
   "media.gmp-manager.buildID": "2015121300",
   "media.gmp-gmpopenh264.lastUpdate": 1451423657,
   "media.gmp-gmpopenh264.version": "1.5.1",
   "media.gmp-gmpopenh264.abi": "x86_64-gcc3",
   "media.gmp-manager.lastCheck": 1451423655,
   "network.cookie.prefsMigrated": true,
   "network.predictor.cleaned-up": true,
   "places.history.expiration.transient_current_max_pages": 101636,
   "plugin.importedState": true,
   "plugin.disable_full_page_plugin_for_types": "application/pdf",
   "plugin.state.flash": 0,
   "privacy.sanitize.migrateFx3Prefs": true
 },
 "lockedPreferences": {},
 "graphics": {
   "numTotalWindows": 1,
   "numAcceleratedWindows": 0,
   "windowLayerManagerType": "Basic",
   "windowLayerManagerRemote": true,
   "supportsHardwareH264": "No; ",
   "numAcceleratedWindowsMessage": [
     ""
   ],
   "adapterDescription": "Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Mobile ",
   "adapterVendorID": "Intel Open Source Technology Center",
   "adapterDeviceID": "Mesa DRI Intel(R) Haswell Mobile ",
   "adapterRAM": "",
   "adapterDrivers": "",
   "driverVersion": "3.0 Mesa 11.0.6",
   "driverDate": "",
   "webglRenderer": "Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Mobile ",
   "info": {
     "AzureCanvasBackend": "cairo",
     "AzureSkiaAccelerated": 0,
     "AzureFallbackCanvasBackend": "none",
     "AzureContentBackend": "cairo",
     "CairoUseXRender": 1
   }
 },
 "javaScript": {
   "incrementalGCEnabled": true
 },
 "accessibility": {
   "isActive": false,
   "forceDisabled": 0
 },
 "libraryVersions": {
   "NSPR": {
     "minVersion": "4.10.10",
     "version": "4.10.10"
   },
   "NSS": {
     "minVersion": "3.20.1 Basic ECC",
     "version": "3.20.1 Basic ECC"
   },
   "NSSUTIL": {
     "minVersion": "3.20.1",
     "version": "3.20.1"
   },
   "NSSSSL": {
     "minVersion": "3.20.1 Basic ECC",
     "version": "3.20.1 Basic ECC"
   },
   "NSSSMIME": {
     "minVersion": "3.20.1 Basic ECC",
     "version": "3.20.1 Basic ECC"
   }
 },
 "userJS": {
   "exists": false
 },
 "crashes": {
   "submitted": [],
   "pending": 0
 },
 "sandbox": {
   "hasSeccompBPF": true,
   "hasSeccompTSync": true,
   "hasPrivilegedUserNamespaces": true,
   "hasUserNamespaces": true,
   "canSandboxMedia": true
 },
 "extensions": [],
 "experiments": []

}

Hi, Recently, Firefox cannot play some html5 YouTube videos. For example, Firefox cannot play this: https://www.youtube.com/watch?v=LoeSLQwCmZs But it can play this: https://www.youtube.com/watch?v=1JqR3GVqib4 I refreshed Firefox, so it has not addons installed and cleared the cache but the problem persists. The flash player plugin is disabled, but if I enable it, then both videos can be played. I will greatly appreciate any help. ---------------------------------------------------------- Here I add the YouTube debug information: { "ns" : "yt", "el" : "detailpage", "cpn" : "tEXLqpkGBxURyXkB", "docid" : "LoeSLQwCmZs", "ver" : 2, "referrer" : "https://support.mozilla.org/en-US/questions/1101735", "cmt" : "0", "plid" : "AAUoEH0Gerj8Zq0j", "ei" : "dQGDVvirJJD9-AXB3JKoBQ", "fmt" : "134", "fs" : "0", "rt" : "4.6", "of" : "dAF--QAZ8Bm3Znvn5eZB7w", "adformat" : null, "content_v" : null, "euri" : "", "subscribed" : null, "lact" : 1, "live" : null, "cl" : "110728076", "mos" : 0, "osid" : null, "state" : "c9", "vm" : "CAEQAQ", "volume" : 100, "c" : "WEB", "cver" : "html5", "cplayer" : "UNIPLAYER", "cbr" : "Firefox", "cbrver" : "43.0", "cos" : "X11", "hl" : "es_MX", "cr" : "US", "len" : "609", "fexp" : "9407610,9416126,9416985,9419488,9420260,9420452,9421979,9422541,9422596,9423662,9424618,9424638,9424845,9425493,9425702,9426127", "afmt" : "140", "vct" : "0.000", "vd" : "NaN", "vpl" : "", "vbu" : "", "vpa" : true, "vsk" : false, "ven" : false, "vpr" : 1, "vrs" : 0, "vns" : 0, "vec" : null, "vvol" : 1, "lct" : "0.000", "lsk" : true, "lmf" : false, "lbw" : "323396.601", "lhd" : "0.439", "ltd" : "191.600", "laa" : "itag=140,seg=0,range=1356-65535,time=0.0-4.0", "lva" : "itag=134,seg=0,range=2205-65535,time=0.0-2.5", "lar" : "", "lvr" : "", "lvh" : "", "debug_error" : { "errorCode" : "fmt.decode", "message" : "Se produjo un error. Vuelve a intentarlo m\u00e1s tarde.", "messageKey" : "YTP_ERROR_GENERIC_WITHOUT_LINK" }, "ismb" : 2380000, "debug_videoId" : "LoeSLQwCmZs", "cgr" : true, "debug_playbackQuality" : "medium", "debug_date" : "Tue Dec 29 2015 15:56:10 GMT-0600 (CST)" } =================================================== Here I add the Firefox configuration information: { "application": { "name": "Firefox", "version": "43.0", "buildID": "2015121300", "userAgent": "Mozilla/5.0 (X11; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0", "safeMode": false, "supportURL": "https://support.mozilla.org/1/firefox/43.0/Linux/es-ES/", "numTotalWindows": 1, "numRemoteWindows": 0, "remoteAutoStart": false }, "modifiedPreferences": { "browser.cache.disk.smart_size.first_run": false, "browser.cache.disk.capacity": 358400, "browser.cache.disk.filesystem_reported": 1, "browser.cache.frecency_experiment": 2, "browser.download.importedFromSqlite": true, "browser.places.smartBookmarksVersion": 7, "browser.sessionstore.upgradeBackup.latestBuildID": "2015121300", "browser.startup.homepage_override.mstone": "43.0", "browser.startup.homepage_override.buildID": "2015121300", "dom.apps.reset-permissions": true, "dom.mozApps.used": true, "extensions.lastAppVersion": "43.0", "gfx.crash-guard.glcontext.deviceID": "Mesa DRI Intel(R) Haswell Mobile ", "gfx.crash-guard.glcontext.appVersion": "43.0", "gfx.crash-guard.glcontext.driverVersion": "3.0 Mesa 11.0.6", "gfx.crash-guard.status.glcontext": 2, "media.gmp-manager.buildID": "2015121300", "media.gmp-gmpopenh264.lastUpdate": 1451423657, "media.gmp-gmpopenh264.version": "1.5.1", "media.gmp-gmpopenh264.abi": "x86_64-gcc3", "media.gmp-manager.lastCheck": 1451423655, "network.cookie.prefsMigrated": true, "network.predictor.cleaned-up": true, "places.history.expiration.transient_current_max_pages": 101636, "plugin.importedState": true, "plugin.disable_full_page_plugin_for_types": "application/pdf", "plugin.state.flash": 0, "privacy.sanitize.migrateFx3Prefs": true }, "lockedPreferences": {}, "graphics": { "numTotalWindows": 1, "numAcceleratedWindows": 0, "windowLayerManagerType": "Basic", "windowLayerManagerRemote": true, "supportsHardwareH264": "No; ", "numAcceleratedWindowsMessage": [ "" ], "adapterDescription": "Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Mobile ", "adapterVendorID": "Intel Open Source Technology Center", "adapterDeviceID": "Mesa DRI Intel(R) Haswell Mobile ", "adapterRAM": "", "adapterDrivers": "", "driverVersion": "3.0 Mesa 11.0.6", "driverDate": "", "webglRenderer": "Intel Open Source Technology Center -- Mesa DRI Intel(R) Haswell Mobile ", "info": { "AzureCanvasBackend": "cairo", "AzureSkiaAccelerated": 0, "AzureFallbackCanvasBackend": "none", "AzureContentBackend": "cairo", "CairoUseXRender": 1 } }, "javaScript": { "incrementalGCEnabled": true }, "accessibility": { "isActive": false, "forceDisabled": 0 }, "libraryVersions": { "NSPR": { "minVersion": "4.10.10", "version": "4.10.10" }, "NSS": { "minVersion": "3.20.1 Basic ECC", "version": "3.20.1 Basic ECC" }, "NSSUTIL": { "minVersion": "3.20.1", "version": "3.20.1" }, "NSSSSL": { "minVersion": "3.20.1 Basic ECC", "version": "3.20.1 Basic ECC" }, "NSSSMIME": { "minVersion": "3.20.1 Basic ECC", "version": "3.20.1 Basic ECC" } }, "userJS": { "exists": false }, "crashes": { "submitted": [], "pending": 0 }, "sandbox": { "hasSeccompBPF": true, "hasSeccompTSync": true, "hasPrivilegedUserNamespaces": true, "hasUserNamespaces": true, "canSandboxMedia": true }, "extensions": [], "experiments": [] }

Bewurke troch barquero op

Alle antwurden (2)

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Does it work with a 32 bit Firefox version?

What does the YouTube test page show (About the HTML5 player)?

You can check the media prefs about:config.

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cor-el said

Does it work with a 32 bit Firefox version? What does the YouTube test page show (About the HTML5 player)? You can check the media prefs about:config.

I downloaded the 32 bit version of Firefox 43.0.3 from Mozilla webpage. Then run it, but got the following error: XPCOMGlueLoad error for file /opt/firefox/libxul.so: libfreetype.so.6: cannot open shared object file: No such file or directory Couldn't load XPCOM.

After installing the following packages, I could run and play in the 32 bit Firefox both videos successfully:

  • libfreetype6-32bit
  • fontconfig-32bit
  • libXrender1-32bit
  • libXext6-32bit
  • libXdamage1-32bit
  • libXfixes3-32bit
  • libXcomposite1-32bit
  • libasound2-32bit
  • dbus-1-glib-32bit
  • libgtkglext-x11-1_0-0-32bit
  • libXt6-32bit
  • libgthread-2_0-0-32bit

The problem persists with the openSUSE Firefox.

The test page you suggested give the following diagnosis:

  • HTMLVideoElement: supported
  • H.264: supported
  • WebM VP8: supported
  • Media Source Extensions: supported
  • MSE & H.264: supported
  • MSE & WebM VP9: supported