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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-02 04:45:08 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-02 04:45:08 +0300 |
commit | 73d21a3579818aa0e39de207474a39ca35c7d8cb (patch) | |
tree | ae723d1026a6f39aa22bbcb3e82d3966ac7f5dcc /drivers/media/platform/allegro-dvt/nal-hevc.h | |
parent | 6f2b76a4a384e05ac8d3349831f29dff5de1e1e2 (diff) | |
parent | 57c3b9f55ba875a6f6295fa59f0bdc0a01c544f8 (diff) | |
download | linux-73d21a3579818aa0e39de207474a39ca35c7d8cb.tar.xz |
Merge tag 'media/v5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- New driver for SK Hynix Hi-846 8M pixel camera
- New driver for the ov13b10 camera
- New driver for Renesas R-Car ISP
- mtk-vcodec gained support for version 2 of decoder firmware ABI
- The legacy sir_ir driver got removed
- videobuf2: the vb2_mem_ops kAPI had some improvements
- lots of cleanups, fixes and new features at device drivers
* tag 'media/v5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (328 commits)
media: venus: core: Add sdm660 DT compatible and resource struct
media: dt-bindings: media: venus: Add sdm660 dt schema
media: venus: vdec: decoded picture buffer handling during reconfig sequence
media: venus: Handle fatal errors during encoding and decoding
media: venus: helpers: Add helper to mark fatal vb2 error
media: venus: hfi: Check for sys error on session hfi functions
media: venus: Make sys_error flag an atomic bitops
media: venus: venc: Use pmruntime autosuspend
media: allegro: write vui parameters for HEVC
media: allegro: nal-hevc: implement generator for vui
media: allegro: write correct colorspace into SPS
media: allegro: extract nal value lookup functions to header
media: allegro: correctly scale the bit rate in SPS
media: allegro: remove external QP table
media: allegro: fix row and column in response message
media: allegro: add control to disable encoder buffer
media: allegro: add encoder buffer support
media: allegro: add pm_runtime support
media: allegro: lookup VCU settings
media: allegro: fix module removal if initialization failed
...
Diffstat (limited to 'drivers/media/platform/allegro-dvt/nal-hevc.h')
-rw-r--r-- | drivers/media/platform/allegro-dvt/nal-hevc.h | 189 |
1 files changed, 179 insertions, 10 deletions
diff --git a/drivers/media/platform/allegro-dvt/nal-hevc.h b/drivers/media/platform/allegro-dvt/nal-hevc.h index c09bbe5446aa..eb46f12aae80 100644 --- a/drivers/media/platform/allegro-dvt/nal-hevc.h +++ b/drivers/media/platform/allegro-dvt/nal-hevc.h @@ -8,9 +8,11 @@ #ifndef __NAL_HEVC_H__ #define __NAL_HEVC_H__ +#include <linux/errno.h> #include <linux/kernel.h> #include <linux/types.h> -#include <media/v4l2-ctrls.h> +#include <linux/v4l2-controls.h> +#include <linux/videodev2.h> struct nal_hevc_profile_tier_level { unsigned int general_profile_space; @@ -318,16 +320,183 @@ struct nal_hevc_pps { }; }; -int nal_hevc_profile_from_v4l2(enum v4l2_mpeg_video_hevc_profile profile); -int nal_hevc_tier_from_v4l2(enum v4l2_mpeg_video_hevc_tier tier); -int nal_hevc_level_from_v4l2(enum v4l2_mpeg_video_hevc_level level); +/** + * nal_hevc_profile() - Get profile_idc for v4l2 hevc profile + * @profile: the profile as &enum v4l2_mpeg_video_hevc_profile + * + * Convert the &enum v4l2_mpeg_video_hevc_profile to profile_idc as specified + * in Rec. ITU-T H.265 (02/2018) A.3. + * + * Return: the profile_idc for the passed level + */ +static inline int nal_hevc_profile(enum v4l2_mpeg_video_hevc_profile profile) +{ + switch (profile) { + case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN: + return 1; + case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10: + return 2; + case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE: + return 3; + default: + return -EINVAL; + } +} + +/** + * nal_hevc_tier() - Get tier_flag for v4l2 hevc tier + * @tier: the tier as &enum v4l2_mpeg_video_hevc_tier + * + * Convert the &enum v4l2_mpeg_video_hevc_tier to tier_flag as specified + * in Rec. ITU-T H.265 (02/2018) A.4.1. + * + * Return: the tier_flag for the passed tier + */ +static inline int nal_hevc_tier(enum v4l2_mpeg_video_hevc_tier tier) +{ + switch (tier) { + case V4L2_MPEG_VIDEO_HEVC_TIER_MAIN: + return 0; + case V4L2_MPEG_VIDEO_HEVC_TIER_HIGH: + return 1; + default: + return -EINVAL; + } +} + +/** + * nal_hevc_level() - Get level_idc for v4l2 hevc level + * @level: the level as &enum v4l2_mpeg_video_hevc_level + * + * Convert the &enum v4l2_mpeg_video_hevc_level to level_idc as specified in + * Rec. ITU-T H.265 (02/2018) A.4.1. + * + * Return: the level_idc for the passed level + */ +static inline int nal_hevc_level(enum v4l2_mpeg_video_hevc_level level) +{ + /* + * T-Rec-H.265 p. 280: general_level_idc and sub_layer_level_idc[ i ] + * shall be set equal to a value of 30 times the level number + * specified in Table A.6. + */ + int factor = 30 / 10; + + switch (level) { + case V4L2_MPEG_VIDEO_HEVC_LEVEL_1: + return factor * 10; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_2: + return factor * 20; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1: + return factor * 21; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_3: + return factor * 30; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1: + return factor * 31; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_4: + return factor * 40; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1: + return factor * 41; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_5: + return factor * 50; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1: + return factor * 51; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2: + return factor * 52; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_6: + return factor * 60; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1: + return factor * 61; + case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2: + return factor * 62; + default: + return -EINVAL; + } +} + +static inline int nal_hevc_full_range(enum v4l2_quantization quantization) +{ + switch (quantization) { + case V4L2_QUANTIZATION_FULL_RANGE: + return 1; + case V4L2_QUANTIZATION_LIM_RANGE: + return 0; + default: + break; + } + + return 0; +} + +static inline int nal_hevc_color_primaries(enum v4l2_colorspace colorspace) +{ + switch (colorspace) { + case V4L2_COLORSPACE_SMPTE170M: + return 6; + case V4L2_COLORSPACE_SMPTE240M: + return 7; + case V4L2_COLORSPACE_REC709: + return 1; + case V4L2_COLORSPACE_470_SYSTEM_M: + return 4; + case V4L2_COLORSPACE_JPEG: + case V4L2_COLORSPACE_SRGB: + case V4L2_COLORSPACE_470_SYSTEM_BG: + return 5; + case V4L2_COLORSPACE_BT2020: + return 9; + case V4L2_COLORSPACE_DEFAULT: + case V4L2_COLORSPACE_OPRGB: + case V4L2_COLORSPACE_RAW: + case V4L2_COLORSPACE_DCI_P3: + default: + return 2; + } +} + +static inline int nal_hevc_transfer_characteristics(enum v4l2_colorspace colorspace, + enum v4l2_xfer_func xfer_func) +{ + if (xfer_func == V4L2_XFER_FUNC_DEFAULT) + xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(colorspace); + + switch (xfer_func) { + case V4L2_XFER_FUNC_709: + return 6; + case V4L2_XFER_FUNC_SMPTE2084: + return 16; + case V4L2_XFER_FUNC_SRGB: + case V4L2_XFER_FUNC_OPRGB: + case V4L2_XFER_FUNC_NONE: + case V4L2_XFER_FUNC_DCI_P3: + case V4L2_XFER_FUNC_SMPTE240M: + default: + return 2; + } +} + +static inline int nal_hevc_matrix_coeffs(enum v4l2_colorspace colorspace, + enum v4l2_ycbcr_encoding ycbcr_encoding) +{ + if (ycbcr_encoding == V4L2_YCBCR_ENC_DEFAULT) + ycbcr_encoding = V4L2_MAP_YCBCR_ENC_DEFAULT(colorspace); -int nal_range_from_v4l2(enum v4l2_quantization quantization); -int nal_color_primaries_from_v4l2(enum v4l2_colorspace colorspace); -int nal_transfer_characteristics_from_v4l2(enum v4l2_colorspace colorspace, - enum v4l2_xfer_func xfer_func); -int nal_matrix_coeffs_from_v4l2(enum v4l2_colorspace colorspace, - enum v4l2_ycbcr_encoding ycbcr_encoding); + switch (ycbcr_encoding) { + case V4L2_YCBCR_ENC_601: + case V4L2_YCBCR_ENC_XV601: + return 5; + case V4L2_YCBCR_ENC_709: + case V4L2_YCBCR_ENC_XV709: + return 1; + case V4L2_YCBCR_ENC_BT2020: + return 9; + case V4L2_YCBCR_ENC_BT2020_CONST_LUM: + return 10; + case V4L2_YCBCR_ENC_SMPTE240M: + default: + return 2; + } +} ssize_t nal_hevc_write_vps(const struct device *dev, void *dest, size_t n, struct nal_hevc_vps *vps); |