diff options
Diffstat (limited to 'include/uapi/linux/videodev2.h')
| -rw-r--r-- | include/uapi/linux/videodev2.h | 101 |
1 files changed, 91 insertions, 10 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 1c2f84f..d279c1b 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -178,30 +178,103 @@ enum v4l2_memory { /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ enum v4l2_colorspace { - /* ITU-R 601 -- broadcast NTSC/PAL */ + /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ V4L2_COLORSPACE_SMPTE170M = 1, - /* 1125-Line (US) HDTV */ + /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ V4L2_COLORSPACE_SMPTE240M = 2, - /* HD and modern captures. */ + /* Rec.709: used for HDTV */ V4L2_COLORSPACE_REC709 = 3, - /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ + /* + * Deprecated, do not use. No driver will ever return this. This was + * based on a misunderstanding of the bt878 datasheet. + */ V4L2_COLORSPACE_BT878 = 4, - /* These should be useful. Assume 601 extents. */ + /* + * NTSC 1953 colorspace. This only makes sense when dealing with + * really, really old NTSC recordings. Superseded by SMPTE 170M. + */ V4L2_COLORSPACE_470_SYSTEM_M = 5, + + /* + * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when + * dealing with really old PAL/SECAM recordings. Superseded by + * SMPTE 170M. + */ V4L2_COLORSPACE_470_SYSTEM_BG = 6, - /* I know there will be cameras that send this. So, this is - * unspecified chromaticities and full 0-255 on each of the - * Y'CbCr components + /* + * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 + * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. */ V4L2_COLORSPACE_JPEG = 7, - /* For RGB colourspaces, this is probably a good start. */ + /* For RGB colorspaces such as produces by most webcams. */ V4L2_COLORSPACE_SRGB = 8, + + /* AdobeRGB colorspace */ + V4L2_COLORSPACE_ADOBERGB = 9, + + /* BT.2020 colorspace, used for UHDTV. */ + V4L2_COLORSPACE_BT2020 = 10, +}; + +enum v4l2_ycbcr_encoding { + /* + * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the + * various colorspaces: + * + * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, + * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and + * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 + * + * V4L2_COLORSPACE_REC709: V4L2_YCBCR_ENC_709 + * + * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC + * + * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 + * + * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M + */ + V4L2_YCBCR_ENC_DEFAULT = 0, + + /* ITU-R 601 -- SDTV */ + V4L2_YCBCR_ENC_601 = 1, + + /* Rec. 709 -- HDTV */ + V4L2_YCBCR_ENC_709 = 2, + + /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ + V4L2_YCBCR_ENC_XV601 = 3, + + /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ + V4L2_YCBCR_ENC_XV709 = 4, + + /* sYCC (Y'CbCr encoding of sRGB) */ + V4L2_YCBCR_ENC_SYCC = 5, + + /* BT.2020 Non-constant Luminance Y'CbCr */ + V4L2_YCBCR_ENC_BT2020 = 6, + + /* BT.2020 Constant Luminance Y'CbcCrc */ + V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, + + /* SMPTE 240M -- Obsolete HDTV */ + V4L2_YCBCR_ENC_SMPTE240M = 8, +}; + +enum v4l2_quantization { + /* + * The default for R'G'B' quantization is always full range. For + * Y'CbCr the quantization is always limited range, except for + * SYCC, XV601, XV709 or JPEG: those are full range. + */ + V4L2_QUANTIZATION_DEFAULT = 0, + V4L2_QUANTIZATION_FULL_RANGE = 1, + V4L2_QUANTIZATION_LIM_RANGE = 2, }; enum v4l2_priority { @@ -294,6 +367,8 @@ struct v4l2_pix_format { __u32 colorspace; /* enum v4l2_colorspace */ __u32 priv; /* private data, depends on pixelformat */ __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ + __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ + __u32 quantization; /* enum v4l2_quantization */ }; /* Pixel format FOURCC depth Description */ @@ -1249,6 +1324,7 @@ struct v4l2_input { #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ +#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ /* * V I D E O O U T P U T S @@ -1272,6 +1348,7 @@ struct v4l2_output { #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ +#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ /* * C O N T R O L S @@ -1777,6 +1854,8 @@ struct v4l2_plane_pix_format { * @plane_fmt: per-plane information * @num_planes: number of planes for this format * @flags: format flags (V4L2_PIX_FMT_FLAG_*) + * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding + * @quantization: enum v4l2_quantization, colorspace quantization */ struct v4l2_pix_format_mplane { __u32 width; @@ -1788,7 +1867,9 @@ struct v4l2_pix_format_mplane { struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; __u8 num_planes; __u8 flags; - __u8 reserved[10]; + __u8 ycbcr_enc; + __u8 quantization; + __u8 reserved[8]; } __attribute__ ((packed)); /** |
