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[212.5.158.188]) by smtp.gmail.com with ESMTPSA id q3sm10721085eds.41.2020.07.13.01.15.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2020 01:15:13 -0700 (PDT) From: Stanimir Varbanov To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Hans Verkuil , Mauro Carvalho Chehab , Stanimir Varbanov Subject: [PATCH] v4l2-ctrl: Add VP9 codec levels Date: Mon, 13 Jul 2020 11:15:01 +0300 Message-Id: <20200713081501.28609-1-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.17.1 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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 definition has been taken from webm project. Signed-off-by: Stanimir Varbanov --- .../media/v4l/ext-ctrls-codec.rst | 42 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls.c | 21 ++++++++++ include/uapi/linux/v4l2-controls.h | 17 ++++++++ 3 files changed, 80 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index d0d506a444b1..d49bdafa768a 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -3316,6 +3316,48 @@ 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. + 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 3f3fbcd60cc6..359dc737053d 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -474,6 +474,23 @@ 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", @@ -685,6 +702,8 @@ 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: @@ -938,6 +957,7 @@ 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 */ @@ -1294,6 +1314,7 @@ 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 62271418c1be..1b0bc79c1bc3 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -650,6 +650,23 @@ 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. */