On 08/09/2020 14:32, Stanimir Varbanov wrote: > Add menu control for VP9 codec levels. A total of 14 levels are > defined for Profile 0 (8bit) and Profile 2 (10bit). Each level > is a set of constrained bitstreams coded with targeted resolutions, > frame rates, and bitrates. > > The definitions have been taken from webm project [1]. > > [1] https://www.webmproject.org/vp9/levels/ > > Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> > Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx> Reviewed-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Thanks, Hans > --- > .../media/v4l/ext-ctrls-codec.rst | 43 +++++++++++++++++++ > drivers/media/v4l2-core/v4l2-ctrls.c | 21 +++++++++ > include/uapi/linux/v4l2-controls.h | 17 ++++++++ > 3 files changed, 81 insertions(+) > > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > index 289d380e2cf0..ce728c757eaf 100644 > --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > @@ -3383,6 +3383,49 @@ enum v4l2_mpeg_video_vp9_profile - > * - ``V4L2_MPEG_VIDEO_VP9_PROFILE_3`` > - Profile 3 > > +.. _v4l2-mpeg-video-vp9-level: > + > +``V4L2_CID_MPEG_VIDEO_VP9_LEVEL (enum)`` > + > +enum v4l2_mpeg_video_vp9_level - > + This control allows selecting the level for VP9 encoder. > + This is also used to enumerate supported levels by VP9 encoder or decoder. > + More information can be found at > + `webmproject <https://www.webmproject.org/vp9/levels/>`__. Possible values are: > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_1_0`` > + - Level 1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_1_1`` > + - Level 1.1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_2_0`` > + - Level 2 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_2_1`` > + - Level 2.1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_3_0`` > + - Level 3 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_3_1`` > + - Level 3.1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_4_0`` > + - Level 4 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_4_1`` > + - Level 4.1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_5_0`` > + - Level 5 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_5_1`` > + - Level 5.1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_5_2`` > + - Level 5.2 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_6_0`` > + - Level 6 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_6_1`` > + - Level 6.1 > + * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_6_2`` > + - Level 6.2 > + > > High Efficiency Video Coding (HEVC/H.265) Control Reference > =========================================================== > diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c > index 73f3d65957ff..bd7f330c941c 100644 > --- a/drivers/media/v4l2-core/v4l2-ctrls.c > +++ b/drivers/media/v4l2-core/v4l2-ctrls.c > @@ -475,6 +475,23 @@ const char * const *v4l2_ctrl_get_menu(u32 id) > "3", > NULL, > }; > + static const char * const vp9_level[] = { > + "1", > + "1.1", > + "2", > + "2.1", > + "3", > + "3.1", > + "4", > + "4.1", > + "5", > + "5.1", > + "5.2", > + "6", > + "6.1", > + "6.2", > + NULL, > + }; > > static const char * const flash_led_mode[] = { > "Off", > @@ -694,6 +711,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) > return vp8_profile; > case V4L2_CID_MPEG_VIDEO_VP9_PROFILE: > return vp9_profile; > + case V4L2_CID_MPEG_VIDEO_VP9_LEVEL: > + return vp9_level; > case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: > return jpeg_chroma_subsampling; > case V4L2_CID_DV_TX_MODE: > @@ -950,6 +969,7 @@ const char *v4l2_ctrl_get_name(u32 id) > case V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP: return "VPX P-Frame QP Value"; > case V4L2_CID_MPEG_VIDEO_VP8_PROFILE: return "VP8 Profile"; > case V4L2_CID_MPEG_VIDEO_VP9_PROFILE: return "VP9 Profile"; > + case V4L2_CID_MPEG_VIDEO_VP9_LEVEL: return "VP9 Level"; > case V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER: return "VP8 Frame Header"; > > /* HEVC controls */ > @@ -1307,6 +1327,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, > case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL: > case V4L2_CID_MPEG_VIDEO_VP8_PROFILE: > case V4L2_CID_MPEG_VIDEO_VP9_PROFILE: > + case V4L2_CID_MPEG_VIDEO_VP9_LEVEL: > case V4L2_CID_DETECT_MD_MODE: > case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE: > case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL: > diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h > index 053827cda8e6..a184c4939438 100644 > --- a/include/uapi/linux/v4l2-controls.h > +++ b/include/uapi/linux/v4l2-controls.h > @@ -651,6 +651,23 @@ enum v4l2_mpeg_video_vp9_profile { > V4L2_MPEG_VIDEO_VP9_PROFILE_2 = 2, > V4L2_MPEG_VIDEO_VP9_PROFILE_3 = 3, > }; > +#define V4L2_CID_MPEG_VIDEO_VP9_LEVEL (V4L2_CID_MPEG_BASE+513) > +enum v4l2_mpeg_video_vp9_level { > + V4L2_MPEG_VIDEO_VP9_LEVEL_1_0 = 0, > + V4L2_MPEG_VIDEO_VP9_LEVEL_1_1 = 1, > + V4L2_MPEG_VIDEO_VP9_LEVEL_2_0 = 2, > + V4L2_MPEG_VIDEO_VP9_LEVEL_2_1 = 3, > + V4L2_MPEG_VIDEO_VP9_LEVEL_3_0 = 4, > + V4L2_MPEG_VIDEO_VP9_LEVEL_3_1 = 5, > + V4L2_MPEG_VIDEO_VP9_LEVEL_4_0 = 6, > + V4L2_MPEG_VIDEO_VP9_LEVEL_4_1 = 7, > + V4L2_MPEG_VIDEO_VP9_LEVEL_5_0 = 8, > + V4L2_MPEG_VIDEO_VP9_LEVEL_5_1 = 9, > + V4L2_MPEG_VIDEO_VP9_LEVEL_5_2 = 10, > + V4L2_MPEG_VIDEO_VP9_LEVEL_6_0 = 11, > + V4L2_MPEG_VIDEO_VP9_LEVEL_6_1 = 12, > + V4L2_MPEG_VIDEO_VP9_LEVEL_6_2 = 13, > +}; > > /* CIDs for HEVC encoding. */ > >
