diff options
Diffstat (limited to 'Documentation/video4linux/w9968cf.txt')
| -rw-r--r-- | Documentation/video4linux/w9968cf.txt | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/Documentation/video4linux/w9968cf.txt b/Documentation/video4linux/w9968cf.txt index 3b704f2aae6..0d53ce774b0 100644 --- a/Documentation/video4linux/w9968cf.txt +++ b/Documentation/video4linux/w9968cf.txt @@ -1,9 +1,9 @@ - W996[87]CF JPEG USB Dual Mode Camera Chip - Driver for Linux 2.6 (basic version) - ========================================= + W996[87]CF JPEG USB Dual Mode Camera Chip + Driver for Linux 2.6 (basic version) + ========================================= - - Documentation - + - Documentation - Index @@ -188,57 +188,57 @@ Name: ovmod_load Type: bool Syntax: <0|1> Description: Automatic 'ovcamchip' module loading: 0 disabled, 1 enabled. - If enabled, 'insmod' searches for the required 'ovcamchip' - module in the system, according to its configuration, and - loads that module automatically. This action is performed as - once soon as the 'w9968cf' module is loaded into memory. + If enabled, 'insmod' searches for the required 'ovcamchip' + module in the system, according to its configuration, and + loads that module automatically. This action is performed as + once soon as the 'w9968cf' module is loaded into memory. Default: 1 Note: The kernel must be compiled with the CONFIG_KMOD option - enabled for the 'ovcamchip' module to be loaded and for - this parameter to be present. + enabled for the 'ovcamchip' module to be loaded and for + this parameter to be present. ------------------------------------------------------------------------------- Name: simcams Type: int Syntax: <n> Description: Number of cameras allowed to stream simultaneously. - n may vary from 0 to 32. + n may vary from 0 to 32. Default: 32 ------------------------------------------------------------------------------- Name: video_nr Type: int array (min = 0, max = 32) Syntax: <-1|n[,...]> Description: Specify V4L minor mode number. - -1 = use next available - n = use minor number n - You can specify up to 32 cameras this way. - For example: - video_nr=-1,2,-1 would assign minor number 2 to the second - recognized camera and use auto for the first one and for every - other camera. + -1 = use next available + n = use minor number n + You can specify up to 32 cameras this way. + For example: + video_nr=-1,2,-1 would assign minor number 2 to the second + recognized camera and use auto for the first one and for every + other camera. Default: -1 ------------------------------------------------------------------------------- Name: packet_size Type: int array (min = 0, max = 32) Syntax: <n[,...]> Description: Specify the maximum data payload size in bytes for alternate - settings, for each device. n is scaled between 63 and 1023. + settings, for each device. n is scaled between 63 and 1023. Default: 1023 ------------------------------------------------------------------------------- Name: max_buffers Type: int array (min = 0, max = 32) Syntax: <n[,...]> Description: For advanced users. - Specify the maximum number of video frame buffers to allocate - for each device, from 2 to 32. + Specify the maximum number of video frame buffers to allocate + for each device, from 2 to 32. Default: 2 ------------------------------------------------------------------------------- Name: double_buffer Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Hardware double buffering: 0 disabled, 1 enabled. - It should be enabled if you want smooth video output: if you - obtain out of sync. video, disable it, or try to - decrease the 'clockdiv' module parameter value. + It should be enabled if you want smooth video output: if you + obtain out of sync. video, disable it, or try to + decrease the 'clockdiv' module parameter value. Default: 1 for every device. ------------------------------------------------------------------------------- Name: clamping @@ -251,9 +251,9 @@ Name: filter_type Type: int array (min = 0, max = 32) Syntax: <0|1|2[,...]> Description: Video filter type. - 0 none, 1 (1-2-1) 3-tap filter, 2 (2-3-6-3-2) 5-tap filter. - The filter is used to reduce noise and aliasing artifacts - produced by the CCD or CMOS image sensor. + 0 none, 1 (1-2-1) 3-tap filter, 2 (2-3-6-3-2) 5-tap filter. + The filter is used to reduce noise and aliasing artifacts + produced by the CCD or CMOS image sensor. Default: 0 for every device. ------------------------------------------------------------------------------- Name: largeview @@ -266,9 +266,9 @@ Name: upscaling Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Software scaling (for non-compressed video only): - 0 disabled, 1 enabled. - Disable it if you have a slow CPU or you don't have enough - memory. + 0 disabled, 1 enabled. + Disable it if you have a slow CPU or you don't have enough + memory. Default: 0 for every device. Note: If 'w9968cf-vpp' is not present, this parameter is set to 0. ------------------------------------------------------------------------------- @@ -276,36 +276,36 @@ Name: decompression Type: int array (min = 0, max = 32) Syntax: <0|1|2[,...]> Description: Software video decompression: - 0 = disables decompression - (doesn't allow formats needing decompression). - 1 = forces decompression - (allows formats needing decompression only). - 2 = allows any permitted formats. - Formats supporting (de)compressed video are YUV422P and - YUV420P/YUV420 in any resolutions where width and height are - multiples of 16. + 0 = disables decompression + (doesn't allow formats needing decompression). + 1 = forces decompression + (allows formats needing decompression only). + 2 = allows any permitted formats. + Formats supporting (de)compressed video are YUV422P and + YUV420P/YUV420 in any resolutions where width and height are + multiples of 16. Default: 2 for every device. Note: If 'w9968cf-vpp' is not present, forcing decompression is not - allowed; in this case this parameter is set to 2. + allowed; in this case this parameter is set to 2. ------------------------------------------------------------------------------- Name: force_palette Type: int array (min = 0, max = 32) Syntax: <0|9|10|13|15|8|7|1|6|3|4|5[,...]> Description: Force picture palette. - In order: - 0 = Off - allows any of the following formats: - 9 = UYVY 16 bpp - Original video, compression disabled - 10 = YUV420 12 bpp - Original video, compression enabled - 13 = YUV422P 16 bpp - Original video, compression enabled - 15 = YUV420P 12 bpp - Original video, compression enabled - 8 = YUVY 16 bpp - Software conversion from UYVY - 7 = YUV422 16 bpp - Software conversion from UYVY - 1 = GREY 8 bpp - Software conversion from UYVY - 6 = RGB555 16 bpp - Software conversion from UYVY - 3 = RGB565 16 bpp - Software conversion from UYVY - 4 = RGB24 24 bpp - Software conversion from UYVY - 5 = RGB32 32 bpp - Software conversion from UYVY - When not 0, this parameter will override 'decompression'. + In order: + 0 = Off - allows any of the following formats: + 9 = UYVY 16 bpp - Original video, compression disabled + 10 = YUV420 12 bpp - Original video, compression enabled + 13 = YUV422P 16 bpp - Original video, compression enabled + 15 = YUV420P 12 bpp - Original video, compression enabled + 8 = YUVY 16 bpp - Software conversion from UYVY + 7 = YUV422 16 bpp - Software conversion from UYVY + 1 = GREY 8 bpp - Software conversion from UYVY + 6 = RGB555 16 bpp - Software conversion from UYVY + 3 = RGB565 16 bpp - Software conversion from UYVY + 4 = RGB24 24 bpp - Software conversion from UYVY + 5 = RGB32 32 bpp - Software conversion from UYVY + When not 0, this parameter will override 'decompression'. Default: 0 for every device. Initial palette is 9 (UYVY). Note: If 'w9968cf-vpp' is not present, this parameter is set to 9. ------------------------------------------------------------------------------- @@ -313,77 +313,77 @@ Name: force_rgb Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Read RGB video data instead of BGR: - 1 = use RGB component ordering. - 0 = use BGR component ordering. - This parameter has effect when using RGBX palettes only. + 1 = use RGB component ordering. + 0 = use BGR component ordering. + This parameter has effect when using RGBX palettes only. Default: 0 for every device. ------------------------------------------------------------------------------- Name: autobright Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Image sensor automatically changes brightness: - 0 = no, 1 = yes + 0 = no, 1 = yes Default: 0 for every device. ------------------------------------------------------------------------------- Name: autoexp Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Image sensor automatically changes exposure: - 0 = no, 1 = yes + 0 = no, 1 = yes Default: 1 for every device. ------------------------------------------------------------------------------- Name: lightfreq Type: int array (min = 0, max = 32) Syntax: <50|60[,...]> Description: Light frequency in Hz: - 50 for European and Asian lighting, 60 for American lighting. + 50 for European and Asian lighting, 60 for American lighting. Default: 50 for every device. ------------------------------------------------------------------------------- Name: bandingfilter Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Banding filter to reduce effects of fluorescent - lighting: - 0 disabled, 1 enabled. - This filter tries to reduce the pattern of horizontal - light/dark bands caused by some (usually fluorescent) lighting. + lighting: + 0 disabled, 1 enabled. + This filter tries to reduce the pattern of horizontal + light/dark bands caused by some (usually fluorescent) lighting. Default: 0 for every device. ------------------------------------------------------------------------------- Name: clockdiv Type: int array (min = 0, max = 32) Syntax: <-1|n[,...]> Description: Force pixel clock divisor to a specific value (for experts): - n may vary from 0 to 127. - -1 for automatic value. - See also the 'double_buffer' module parameter. + n may vary from 0 to 127. + -1 for automatic value. + See also the 'double_buffer' module parameter. Default: -1 for every device. ------------------------------------------------------------------------------- Name: backlight Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Objects are lit from behind: - 0 = no, 1 = yes + 0 = no, 1 = yes Default: 0 for every device. ------------------------------------------------------------------------------- Name: mirror Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: Reverse image horizontally: - 0 = no, 1 = yes + 0 = no, 1 = yes Default: 0 for every device. ------------------------------------------------------------------------------- Name: monochrome Type: bool array (min = 0, max = 32) Syntax: <0|1[,...]> Description: The image sensor is monochrome: - 0 = no, 1 = yes + 0 = no, 1 = yes Default: 0 for every device. ------------------------------------------------------------------------------- Name: brightness Type: long array (min = 0, max = 32) Syntax: <n[,...]> Description: Set picture brightness (0-65535). - This parameter has no effect if 'autobright' is enabled. + This parameter has no effect if 'autobright' is enabled. Default: 31000 for every device. ------------------------------------------------------------------------------- Name: hue @@ -414,23 +414,23 @@ Name: debug Type: int Syntax: <n> Description: Debugging information level, from 0 to 6: - 0 = none (use carefully) - 1 = critical errors - 2 = significant informations - 3 = configuration or general messages - 4 = warnings - 5 = called functions - 6 = function internals - Level 5 and 6 are useful for testing only, when only one - device is used. + 0 = none (use carefully) + 1 = critical errors + 2 = significant informations + 3 = configuration or general messages + 4 = warnings + 5 = called functions + 6 = function internals + Level 5 and 6 are useful for testing only, when only one + device is used. Default: 2 ------------------------------------------------------------------------------- Name: specific_debug Type: bool Syntax: <0|1> Description: Enable or disable specific debugging messages: - 0 = print messages concerning every level <= 'debug' level. - 1 = print messages concerning the level indicated by 'debug'. + 0 = print messages concerning every level <= 'debug' level. + 1 = print messages concerning the level indicated by 'debug'. Default: 0 ------------------------------------------------------------------------------- |