From: Dikshita Agarwal <dikshita@codeaurora.org>
To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org
Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
ezequiel@collabora.com, stanimir.varbanov@linaro.org,
vgarodia@codeaurora.org, majja@codeaurora.org,
Dikshita Agarwal <dikshita@codeaurora.org>
Subject: [PATCH v2] media: v4l2-ctrl: Add base layer priority id control.
Date: Thu, 15 Oct 2020 16:35:35 +0530 [thread overview]
Message-ID: <1602759935-12965-1-git-send-email-dikshita@codeaurora.org> (raw)
This control indicates the priority id to be applied
to base layer.
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
---
Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 9 +++++++++
drivers/media/v4l2-core/v4l2-ctrls.c | 1 +
include/uapi/linux/v4l2-controls.h | 1 +
3 files changed, 11 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index 6e9240a..aac1ea3 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -4407,3 +4407,12 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
to the LTR index max LTR count-1.
This is applicable to H264 and HEVC encoder and can be applied using
request api.
+
+``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITYID (integer)``
+ Specifies a priority identifier for the NAL unit,
+ which will be applied to base layer.
+ By default this value is set to 0 for base layer.
+ And the next layer will have priority ID assigned as 1,2,3 and so on.
+ Video encode can't decide the priority id to be applied to a layer
+ so this has to come from client.
+ Valid Range: from 0 to 63
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 046198f..c973058 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -952,6 +952,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_LTR_COUNT: return "LTR Count";
case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: return "Mark LTR frame index";
case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAME: return "Use LTR Frame";
+ case V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITYID: return "Base Layer Priority ID";
case V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS: return "MPEG-2 Slice Parameters";
case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION: return "MPEG-2 Quantization Matrices";
case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS: return "FWHT Stateless Parameters";
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 3801372..433e119 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -418,6 +418,7 @@ enum v4l2_mpeg_video_multi_slice_mode {
#define V4L2_CID_MPEG_VIDEO_LTR_COUNT (V4L2_CID_MPEG_BASE+230)
#define V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (V4L2_CID_MPEG_BASE+231)
#define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAME (V4L2_CID_MPEG_BASE+232)
+#define V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITYID (V4L2_CID_MPEG_BASE+233)
/* CIDs for the MPEG-2 Part 2 (H.262) codec */
#define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_MPEG_BASE+270)
--
1.9.1
next reply other threads:[~2020-10-15 11:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-15 11:05 Dikshita Agarwal [this message]
2020-11-17 14:53 ` [PATCH v2] media: v4l2-ctrl: Add base layer priority id control Hans Verkuil
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1602759935-12965-1-git-send-email-dikshita@codeaurora.org \
--to=dikshita@codeaurora.org \
--cc=ezequiel@collabora.com \
--cc=hverkuil-cisco@xs4all.nl \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=majja@codeaurora.org \
--cc=mchehab@kernel.org \
--cc=stanimir.varbanov@linaro.org \
--cc=vgarodia@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).