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Diffstat (limited to 'Documentation/media/uapi/v4l/pixfmt-reserved.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/pixfmt-reserved.rst | 547 |
1 files changed, 221 insertions, 326 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-reserved.rst b/Documentation/media/uapi/v4l/pixfmt-reserved.rst index 9a5704baf9fe..bd7bf3dae6af 100644 --- a/Documentation/media/uapi/v4l/pixfmt-reserved.rst +++ b/Documentation/media/uapi/v4l/pixfmt-reserved.rst @@ -17,6 +17,8 @@ you think your format should be listed in a standard format section please make a proposal on the linux-media mailing list. +.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| + .. _reserved-formats: .. flat-table:: Reserved Image Formats @@ -24,320 +26,218 @@ please make a proposal on the linux-media mailing list. :stub-columns: 0 :widths: 3 1 4 - - - .. row 1 - - - Identifier - - - Code - - - Details - - - .. _V4L2-PIX-FMT-DV: - - - ``V4L2_PIX_FMT_DV`` - - - 'dvsd' - - - unknown - - - .. _V4L2-PIX-FMT-ET61X251: - - - ``V4L2_PIX_FMT_ET61X251`` - - - 'E625' - - - Compressed format of the ET61X251 driver. - - - .. _V4L2-PIX-FMT-HI240: - - - ``V4L2_PIX_FMT_HI240`` - - - 'HI24' - - - 8 bit RGB format used by the BTTV driver. - - - .. _V4L2-PIX-FMT-HM12: - - - ``V4L2_PIX_FMT_HM12`` - - - 'HM12' - - - YUV 4:2:0 format used by the IVTV driver, - `http://www.ivtvdriver.org/ <http://www.ivtvdriver.org/>`__ - - The format is documented in the kernel sources in the file - ``Documentation/video4linux/cx2341x/README.hm12`` - - - .. _V4L2-PIX-FMT-CPIA1: - - - ``V4L2_PIX_FMT_CPIA1`` - - - 'CPIA' - - - YUV format used by the gspca cpia1 driver. - - - .. _V4L2-PIX-FMT-JPGL: - - - ``V4L2_PIX_FMT_JPGL`` - - - 'JPGL' - - - JPEG-Light format (Pegasus Lossless JPEG) used in Divio webcams NW - 80x. - - - .. _V4L2-PIX-FMT-SPCA501: - - - ``V4L2_PIX_FMT_SPCA501`` - - - 'S501' - - - YUYV per line used by the gspca driver. - - - .. _V4L2-PIX-FMT-SPCA505: - - - ``V4L2_PIX_FMT_SPCA505`` - - - 'S505' - - - YYUV per line used by the gspca driver. - - - .. _V4L2-PIX-FMT-SPCA508: - - - ``V4L2_PIX_FMT_SPCA508`` - - - 'S508' - - - YUVY per line used by the gspca driver. - - - .. _V4L2-PIX-FMT-SPCA561: - - - ``V4L2_PIX_FMT_SPCA561`` - - - 'S561' - - - Compressed GBRG Bayer format used by the gspca driver. - - - .. _V4L2-PIX-FMT-PAC207: - - - ``V4L2_PIX_FMT_PAC207`` - - - 'P207' - - - Compressed BGGR Bayer format used by the gspca driver. - - - .. _V4L2-PIX-FMT-MR97310A: - - - ``V4L2_PIX_FMT_MR97310A`` - - - 'M310' - - - Compressed BGGR Bayer format used by the gspca driver. - - - .. _V4L2-PIX-FMT-JL2005BCD: - - - ``V4L2_PIX_FMT_JL2005BCD`` - - - 'JL20' - - - JPEG compressed RGGB Bayer format used by the gspca driver. - - - .. _V4L2-PIX-FMT-OV511: - - - ``V4L2_PIX_FMT_OV511`` - - - 'O511' - - - OV511 JPEG format used by the gspca driver. - - - .. _V4L2-PIX-FMT-OV518: - - - ``V4L2_PIX_FMT_OV518`` - - - 'O518' - - - OV518 JPEG format used by the gspca driver. - - - .. _V4L2-PIX-FMT-PJPG: - - - ``V4L2_PIX_FMT_PJPG`` - - - 'PJPG' - - - Pixart 73xx JPEG format used by the gspca driver. - - - .. _V4L2-PIX-FMT-SE401: - - - ``V4L2_PIX_FMT_SE401`` - - - 'S401' - - - Compressed RGB format used by the gspca se401 driver - - - .. _V4L2-PIX-FMT-SQ905C: - - - ``V4L2_PIX_FMT_SQ905C`` - - - '905C' - - - Compressed RGGB bayer format used by the gspca driver. - - - .. _V4L2-PIX-FMT-MJPEG: - - - ``V4L2_PIX_FMT_MJPEG`` - - - 'MJPG' - - - Compressed format used by the Zoran driver - - - .. _V4L2-PIX-FMT-PWC1: - - - ``V4L2_PIX_FMT_PWC1`` - - - 'PWC1' - - - Compressed format of the PWC driver. - - - .. _V4L2-PIX-FMT-PWC2: - - - ``V4L2_PIX_FMT_PWC2`` - - - 'PWC2' - - - Compressed format of the PWC driver. - - - .. _V4L2-PIX-FMT-SN9C10X: - - - ``V4L2_PIX_FMT_SN9C10X`` - - - 'S910' - - - Compressed format of the SN9C102 driver. - - - .. _V4L2-PIX-FMT-SN9C20X-I420: - - - ``V4L2_PIX_FMT_SN9C20X_I420`` - - - 'S920' - - - YUV 4:2:0 format of the gspca sn9c20x driver. - - - .. _V4L2-PIX-FMT-SN9C2028: - - - ``V4L2_PIX_FMT_SN9C2028`` - - - 'SONX' - - - Compressed GBRG bayer format of the gspca sn9c2028 driver. - - - .. _V4L2-PIX-FMT-STV0680: - - - ``V4L2_PIX_FMT_STV0680`` - - - 'S680' - - - Bayer format of the gspca stv0680 driver. - - - .. _V4L2-PIX-FMT-WNVA: - - - ``V4L2_PIX_FMT_WNVA`` - - - 'WNVA' - - - Used by the Winnov Videum driver, - `http://www.thedirks.org/winnov/ <http://www.thedirks.org/winnov/>`__ - - - .. _V4L2-PIX-FMT-TM6000: - - - ``V4L2_PIX_FMT_TM6000`` - - - 'TM60' - - - Used by Trident tm6000 - - - .. _V4L2-PIX-FMT-CIT-YYVYUY: - - - ``V4L2_PIX_FMT_CIT_YYVYUY`` - - - 'CITV' - - - Used by xirlink CIT, found at IBM webcams. - - Uses one line of Y then 1 line of VYUY - - - .. _V4L2-PIX-FMT-KONICA420: - - - ``V4L2_PIX_FMT_KONICA420`` - - - 'KONI' - - - Used by Konica webcams. - - YUV420 planar in blocks of 256 pixels. - - - .. _V4L2-PIX-FMT-YYUV: - - - ``V4L2_PIX_FMT_YYUV`` - - - 'YYUV' - - - unknown - - - .. _V4L2-PIX-FMT-Y4: - - - ``V4L2_PIX_FMT_Y4`` - - - 'Y04 ' - - - Old 4-bit greyscale format. Only the most significant 4 bits of - each byte are used, the other bits are set to 0. - - - .. _V4L2-PIX-FMT-Y6: - - - ``V4L2_PIX_FMT_Y6`` - - - 'Y06 ' - - - Old 6-bit greyscale format. Only the most significant 6 bits of - each byte are used, the other bits are set to 0. - - - .. _V4L2-PIX-FMT-S5C-UYVY-JPG: - - - ``V4L2_PIX_FMT_S5C_UYVY_JPG`` - - - 'S5CI' - - - Two-planar format used by Samsung S5C73MX cameras. The first plane - contains interleaved JPEG and UYVY image data, followed by meta - data in form of an array of offsets to the UYVY data blocks. The - actual pointer array follows immediately the interleaved JPEG/UYVY - data, the number of entries in this array equals the height of the - UYVY image. Each entry is a 4-byte unsigned integer in big endian - order and it's an offset to a single pixel line of the UYVY image. - The first plane can start either with JPEG or UYVY data chunk. The - size of a single UYVY block equals the UYVY image's width - multiplied by 2. The size of a JPEG chunk depends on the image and - can vary with each line. - - The second plane, at an offset of 4084 bytes, contains a 4-byte - offset to the pointer array in the first plane. This offset is - followed by a 4-byte value indicating size of the pointer array. - All numbers in the second plane are also in big endian order. - Remaining data in the second plane is undefined. The information - in the second plane allows to easily find location of the pointer - array, which can be different for each frame. The size of the - pointer array is constant for given UYVY image height. - - In order to extract UYVY and JPEG frames an application can - initially set a data pointer to the start of first plane and then - add an offset from the first entry of the pointers table. Such a - pointer indicates start of an UYVY image pixel line. Whole UYVY - line can be copied to a separate buffer. These steps should be - repeated for each line, i.e. the number of entries in the pointer - array. Anything what's in between the UYVY lines is JPEG data and - should be concatenated to form the JPEG stream. - - + * - Identifier + - Code + - Details + * .. _V4L2-PIX-FMT-DV: + + - ``V4L2_PIX_FMT_DV`` + - 'dvsd' + - unknown + * .. _V4L2-PIX-FMT-ET61X251: + + - ``V4L2_PIX_FMT_ET61X251`` + - 'E625' + - Compressed format of the ET61X251 driver. + * .. _V4L2-PIX-FMT-HI240: + + - ``V4L2_PIX_FMT_HI240`` + - 'HI24' + - 8 bit RGB format used by the BTTV driver. + * .. _V4L2-PIX-FMT-HM12: + + - ``V4L2_PIX_FMT_HM12`` + - 'HM12' + - YUV 4:2:0 format used by the IVTV driver, + `http://www.ivtvdriver.org/ <http://www.ivtvdriver.org/>`__ + + The format is documented in the kernel sources in the file + ``Documentation/video4linux/cx2341x/README.hm12`` + * .. _V4L2-PIX-FMT-CPIA1: + + - ``V4L2_PIX_FMT_CPIA1`` + - 'CPIA' + - YUV format used by the gspca cpia1 driver. + * .. _V4L2-PIX-FMT-JPGL: + + - ``V4L2_PIX_FMT_JPGL`` + - 'JPGL' + - JPEG-Light format (Pegasus Lossless JPEG) used in Divio webcams NW + 80x. + * .. _V4L2-PIX-FMT-SPCA501: + + - ``V4L2_PIX_FMT_SPCA501`` + - 'S501' + - YUYV per line used by the gspca driver. + * .. _V4L2-PIX-FMT-SPCA505: + + - ``V4L2_PIX_FMT_SPCA505`` + - 'S505' + - YYUV per line used by the gspca driver. + * .. _V4L2-PIX-FMT-SPCA508: + + - ``V4L2_PIX_FMT_SPCA508`` + - 'S508' + - YUVY per line used by the gspca driver. + * .. _V4L2-PIX-FMT-SPCA561: + + - ``V4L2_PIX_FMT_SPCA561`` + - 'S561' + - Compressed GBRG Bayer format used by the gspca driver. + * .. _V4L2-PIX-FMT-PAC207: + + - ``V4L2_PIX_FMT_PAC207`` + - 'P207' + - Compressed BGGR Bayer format used by the gspca driver. + * .. _V4L2-PIX-FMT-MR97310A: + + - ``V4L2_PIX_FMT_MR97310A`` + - 'M310' + - Compressed BGGR Bayer format used by the gspca driver. + * .. _V4L2-PIX-FMT-JL2005BCD: + + - ``V4L2_PIX_FMT_JL2005BCD`` + - 'JL20' + - JPEG compressed RGGB Bayer format used by the gspca driver. + * .. _V4L2-PIX-FMT-OV511: + + - ``V4L2_PIX_FMT_OV511`` + - 'O511' + - OV511 JPEG format used by the gspca driver. + * .. _V4L2-PIX-FMT-OV518: + + - ``V4L2_PIX_FMT_OV518`` + - 'O518' + - OV518 JPEG format used by the gspca driver. + * .. _V4L2-PIX-FMT-PJPG: + + - ``V4L2_PIX_FMT_PJPG`` + - 'PJPG' + - Pixart 73xx JPEG format used by the gspca driver. + * .. _V4L2-PIX-FMT-SE401: + + - ``V4L2_PIX_FMT_SE401`` + - 'S401' + - Compressed RGB format used by the gspca se401 driver + * .. _V4L2-PIX-FMT-SQ905C: + + - ``V4L2_PIX_FMT_SQ905C`` + - '905C' + - Compressed RGGB bayer format used by the gspca driver. + * .. _V4L2-PIX-FMT-MJPEG: + + - ``V4L2_PIX_FMT_MJPEG`` + - 'MJPG' + - Compressed format used by the Zoran driver + * .. _V4L2-PIX-FMT-PWC1: + + - ``V4L2_PIX_FMT_PWC1`` + - 'PWC1' + - Compressed format of the PWC driver. + * .. _V4L2-PIX-FMT-PWC2: + + - ``V4L2_PIX_FMT_PWC2`` + - 'PWC2' + - Compressed format of the PWC driver. + * .. _V4L2-PIX-FMT-SN9C10X: + + - ``V4L2_PIX_FMT_SN9C10X`` + - 'S910' + - Compressed format of the SN9C102 driver. + * .. _V4L2-PIX-FMT-SN9C20X-I420: + + - ``V4L2_PIX_FMT_SN9C20X_I420`` + - 'S920' + - YUV 4:2:0 format of the gspca sn9c20x driver. + * .. _V4L2-PIX-FMT-SN9C2028: + + - ``V4L2_PIX_FMT_SN9C2028`` + - 'SONX' + - Compressed GBRG bayer format of the gspca sn9c2028 driver. + * .. _V4L2-PIX-FMT-STV0680: + + - ``V4L2_PIX_FMT_STV0680`` + - 'S680' + - Bayer format of the gspca stv0680 driver. + * .. _V4L2-PIX-FMT-WNVA: + + - ``V4L2_PIX_FMT_WNVA`` + - 'WNVA' + - Used by the Winnov Videum driver, + `http://www.thedirks.org/winnov/ <http://www.thedirks.org/winnov/>`__ + * .. _V4L2-PIX-FMT-TM6000: + + - ``V4L2_PIX_FMT_TM6000`` + - 'TM60' + - Used by Trident tm6000 + * .. _V4L2-PIX-FMT-CIT-YYVYUY: + + - ``V4L2_PIX_FMT_CIT_YYVYUY`` + - 'CITV' + - Used by xirlink CIT, found at IBM webcams. + + Uses one line of Y then 1 line of VYUY + * .. _V4L2-PIX-FMT-KONICA420: + + - ``V4L2_PIX_FMT_KONICA420`` + - 'KONI' + - Used by Konica webcams. + + YUV420 planar in blocks of 256 pixels. + * .. _V4L2-PIX-FMT-YYUV: + + - ``V4L2_PIX_FMT_YYUV`` + - 'YYUV' + - unknown + * .. _V4L2-PIX-FMT-Y4: + + - ``V4L2_PIX_FMT_Y4`` + - 'Y04 ' + - Old 4-bit greyscale format. Only the most significant 4 bits of + each byte are used, the other bits are set to 0. + * .. _V4L2-PIX-FMT-Y6: + + - ``V4L2_PIX_FMT_Y6`` + - 'Y06 ' + - Old 6-bit greyscale format. Only the most significant 6 bits of + each byte are used, the other bits are set to 0. + * .. _V4L2-PIX-FMT-S5C-UYVY-JPG: + + - ``V4L2_PIX_FMT_S5C_UYVY_JPG`` + - 'S5CI' + - Two-planar format used by Samsung S5C73MX cameras. The first plane + contains interleaved JPEG and UYVY image data, followed by meta + data in form of an array of offsets to the UYVY data blocks. The + actual pointer array follows immediately the interleaved JPEG/UYVY + data, the number of entries in this array equals the height of the + UYVY image. Each entry is a 4-byte unsigned integer in big endian + order and it's an offset to a single pixel line of the UYVY image. + The first plane can start either with JPEG or UYVY data chunk. The + size of a single UYVY block equals the UYVY image's width + multiplied by 2. The size of a JPEG chunk depends on the image and + can vary with each line. + + The second plane, at an offset of 4084 bytes, contains a 4-byte + offset to the pointer array in the first plane. This offset is + followed by a 4-byte value indicating size of the pointer array. + All numbers in the second plane are also in big endian order. + Remaining data in the second plane is undefined. The information + in the second plane allows to easily find location of the pointer + array, which can be different for each frame. The size of the + pointer array is constant for given UYVY image height. + + In order to extract UYVY and JPEG frames an application can + initially set a data pointer to the start of first plane and then + add an offset from the first entry of the pointers table. Such a + pointer indicates start of an UYVY image pixel line. Whole UYVY + line can be copied to a separate buffer. These steps should be + repeated for each line, i.e. the number of entries in the pointer + array. Anything what's in between the UYVY lines is JPEG data and + should be concatenated to form the JPEG stream. + + + +.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| .. _format-flags: @@ -346,15 +246,10 @@ please make a proposal on the linux-media mailing list. :stub-columns: 0 :widths: 3 1 4 - - - .. row 1 - - - ``V4L2_PIX_FMT_FLAG_PREMUL_ALPHA`` - - - 0x00000001 - - - The color values are premultiplied by the alpha channel value. For - example, if a light blue pixel with 50% transparency was described - by RGBA values (128, 192, 255, 128), the same pixel described with - premultiplied colors would be described by RGBA values (64, 96, - 128, 128) + * - ``V4L2_PIX_FMT_FLAG_PREMUL_ALPHA`` + - 0x00000001 + - The color values are premultiplied by the alpha channel value. For + example, if a light blue pixel with 50% transparency was described + by RGBA values (128, 192, 255, 128), the same pixel described with + premultiplied colors would be described by RGBA values (64, 96, + 128, 128) |