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[Bug 892524] Re: easycap kernel module; 12% dropped frames while playback

 

** Description changed:

  While playing any video source with the EasycapDC60 device (with or
  without audio playback at the same time) ~ 10% frames are dropped with
  mplayer (and also if the Easycap is used with VLC or Tvtime).
  
  I suppose this issue is related to the staging/easycap kernelmodule.
  
  I found this thread on lkml.org concerning the staging/easycap module:
  https://lkml.org/lkml/2011/6/13/120
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-12-generic 3.0.0-12.20
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC1:  andl       1940 F.... pulseaudio
-  /dev/snd/controlC0:  andl       1940 F.... pulseaudio
-                       andl       1968 F.... xfce4-volumed
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC1:  andl       1940 F.... pulseaudio
+  /dev/snd/controlC0:  andl       1940 F.... pulseaudio
+                       andl       1968 F.... xfce4-volumed
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  Card0.Amixer.info:
-  Card hw:0 'Intel'/'HDA Intel at 0xf0580000 irq 43'
-    Mixer name	: 'Conexant CX20549 (Venice)'
-    Components	: 'HDA:14f15045,103c30d5,00100100'
-    Controls      : 20
-    Simple ctrls  : 9
+  Card hw:0 'Intel'/'HDA Intel at 0xf0580000 irq 43'
+    Mixer name	: 'Conexant CX20549 (Venice)'
+    Components	: 'HDA:14f15045,103c30d5,00100100'
+    Controls      : 20
+    Simple ctrls  : 9
  Card1.Amixer.info:
-  Card hw:1 'Controlle'/'Syntek Semiconductor USB 2.0 Video Capture Controlle at usb-0000:00:1d.7-2, hig'
-    Mixer name	: 'USB Mixer'
-    Components	: 'USB05e1:0408'
-    Controls      : 1
-    Simple ctrls  : 1
+  Card hw:1 'Controlle'/'Syntek Semiconductor USB 2.0 Video Capture Controlle at usb-0000:00:1d.7-2, hig'
+    Mixer name	: 'USB Mixer'
+    Components	: 'USB05e1:0408'
+    Controls      : 1
+    Simple ctrls  : 1
  Card1.Amixer.values:
-  Simple mixer control 'Digital In',0
-    Capabilities: cswitch cswitch-joined penum
-    Capture channels: Mono
-    Mono: Capture [on]
+  Simple mixer control 'Digital In',0
+    Capabilities: cswitch cswitch-joined penum
+    Capture channels: Mono
+    Mono: Capture [on]
  Date: Sat Nov 19 16:10:38 2011
  HibernationDevice: RESUME=UUID=62268db6-5908-40e8-914d-efc82eb9992c
  InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  Lsusb:
-  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
-  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
-  Bus 001 Device 002: ID 05e1:0408 Syntek Semiconductor Co., Ltd STK1160 Video Capture Device
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 001 Device 002: ID 05e1:0408 Syntek Semiconductor Co., Ltd STK1160 Video Capture Device
  MachineType: Hewlett-Packard HP 530 Notebook PC(KD092AA#ABD)
  PccardctlIdent:
-  Socket 0:
-    no product info available
+  Socket 0:
+    no product info available
  PccardctlStatus:
-  Socket 0:
-    no card
+  Socket 0:
+    no card
  ProcEnviron:
-  LANGUAGE=de_AT:de
-  PATH=(custom, no user)
-  LANG=de_AT.UTF-8
-  SHELL=/bin/bash
+  LANGUAGE=de_AT:de
+  PATH=(custom, no user)
+  LANG=de_AT.UTF-8
+  SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=fc109b08-fb0c-4037-bd05-5c791ffbe3c0 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-3.0.0-12-generic N/A
-  linux-backports-modules-3.0.0-12-generic  N/A
-  linux-firmware                            1.60
+  linux-restricted-modules-3.0.0-12-generic N/A
+  linux-backports-modules-3.0.0-12-generic  N/A
+  linux-firmware                            1.60
  SourcePackage: linux
  StagingDrivers: easycap
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/23/2007
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68MVU Ver. F.04
  dmi.board.name: 30D5
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 82.14
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68MVUVer.F.04:bd05/23/2007:svnHewlett-Packard:pnHP530NotebookPC(KD092AA#ABD):pvrF.04:rvnHewlett-Packard:rn30D5:rvrKBCVersion82.14:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP 530 Notebook PC(KD092AA#ABD)
  dmi.product.version: F.04
  dmi.sys.vendor: Hewlett-Packard

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https://bugs.launchpad.net/bugs/892524

Title:
  easycap kernel module; 12% dropped frames while playback

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  While playing any video source with the EasycapDC60 device (with or
  without audio playback at the same time) ~ 10% frames are dropped with
  mplayer (and also if the Easycap is used with VLC or Tvtime).

  I suppose this issue is related to the staging/easycap kernelmodule.

  I found this thread on lkml.org concerning the staging/easycap module:
  https://lkml.org/lkml/2011/6/13/120

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-12-generic 3.0.0-12.20
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  andl       1940 F.... pulseaudio
   /dev/snd/controlC0:  andl       1940 F.... pulseaudio
                        andl       1968 F.... xfce4-volumed
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0580000 irq 43'
     Mixer name	: 'Conexant CX20549 (Venice)'
     Components	: 'HDA:14f15045,103c30d5,00100100'
     Controls      : 20
     Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'Controlle'/'Syntek Semiconductor USB 2.0 Video Capture Controlle at usb-0000:00:1d.7-2, hig'
     Mixer name	: 'USB Mixer'
     Components	: 'USB05e1:0408'
     Controls      : 1
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Digital In',0
     Capabilities: cswitch cswitch-joined penum
     Capture channels: Mono
     Mono: Capture [on]
  Date: Sat Nov 19 16:10:38 2011
  HibernationDevice: RESUME=UUID=62268db6-5908-40e8-914d-efc82eb9992c
  InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 002: ID 05e1:0408 Syntek Semiconductor Co., Ltd STK1160 Video Capture Device
  MachineType: Hewlett-Packard HP 530 Notebook PC(KD092AA#ABD)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=de_AT:de
   PATH=(custom, no user)
   LANG=de_AT.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=fc109b08-fb0c-4037-bd05-5c791ffbe3c0 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-12-generic N/A
   linux-backports-modules-3.0.0-12-generic  N/A
   linux-firmware                            1.60
  SourcePackage: linux
  StagingDrivers: easycap
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/23/2007
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68MVU Ver. F.04
  dmi.board.name: 30D5
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 82.14
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68MVUVer.F.04:bd05/23/2007:svnHewlett-Packard:pnHP530NotebookPC(KD092AA#ABD):pvrF.04:rvnHewlett-Packard:rn30D5:rvrKBCVersion82.14:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP 530 Notebook PC(KD092AA#ABD)
  dmi.product.version: F.04
  dmi.sys.vendor: Hewlett-Packard

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