From patchwork Mon Mar 14 07:53:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 12779709 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94899C433EF for ; Mon, 14 Mar 2022 07:53:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236524AbiCNHyl (ORCPT ); Mon, 14 Mar 2022 03:54:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229836AbiCNHyk (ORCPT ); Mon, 14 Mar 2022 03:54:40 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 325C332051; Mon, 14 Mar 2022 00:53:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1647244411; x=1678780411; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=9WK4o3HN1RtKbNHRl+PUTuLbo5koTnYkQaQV8cV28Bk=; b=WCmsBdurdJocL+Il9GCXhV0DA8AVyHPlTYiKCNXBAvpDF2Uj4XaJUVoj e2kervdHDa6RtumINkcSPH9KCc7PZbJm8dx8MkDIlXCb0QjI3piQD0QK0 ZQIOAm0C2Ee1vUODoXALQOkDTVbq7rfOBnbrLlTFmPbzCCPElZI37jGZn c=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 14 Mar 2022 00:53:31 -0700 X-QCInternal: smtphost Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 14 Mar 2022 00:53:30 -0700 X-QCInternal: smtphost Received: from hu-dikshita-hyd.qualcomm.com (HELO hu-sgudaval-hyd.qualcomm.com) ([10.213.110.13]) by ironmsg02-blr.qualcomm.com with ESMTP; 14 Mar 2022 13:23:19 +0530 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 347544) id D06734679; Mon, 14 Mar 2022 13:23:17 +0530 (+0530) From: quic_dikshita@quicinc.com To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, hverkuil-cisco@xs4all.nl Cc: linux-arm-msm@vger.kernel.org, ezequiel@collabora.com, stanimir.varbanov@linaro.org, quic_vgarodia@quicinc.com, quic_majja@quicinc.com, quic_jdas@quicinc.com, Dikshita Agarwal Subject: [PATCH v2 1/2] media: v4l2-ctrls: Add intra-refresh type control Date: Mon, 14 Mar 2022 13:23:03 +0530 Message-Id: <1647244384-19918-2-git-send-email-quic_dikshita@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1647244384-19918-1-git-send-email-quic_dikshita@quicinc.com> References: <1647244384-19918-1-git-send-email-quic_dikshita@quicinc.com> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Dikshita Agarwal Add a control to set intra-refresh type. Signed-off-by: Dikshita Agarwal Reviewed-by: Nicolas Dufresne --- .../userspace-api/media/v4l/ext-ctrls-codec.rst | 27 ++++++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 9 ++++++++ include/uapi/linux/v4l2-controls.h | 5 ++++ 3 files changed, 41 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 4cd7c54..2406272 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1180,6 +1180,33 @@ enum v4l2_mpeg_video_h264_entropy_mode - is set to non zero value. Applicable to H264, H263 and MPEG4 encoder. +``V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE (enum)`` + +enum v4l2_mpeg_video_intra_refresh_period_type - + Sets the type of intra refresh. The period to refresh + the whole frame is specified by V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD. + Note if the client sets this control to either + ``V4L2_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_RANDOM``or + ``V4L2_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC`` + the ``V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB`` control + shall be ignored. + And if this control is not present that it is undefined what + refresh type is used and it is upto the drive to decide. + Applicable to H264 and HEVC encoders. Possible values are: + +.. tabularcolumns:: |p{9.6cm}|p{7.9cm}| + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_RANDOM`` + - The whole frame is completely refreshed randomly + after the specified period. + * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC`` + - The whole frame MBs are completely refreshed in cyclic order + after the specified period. + ``V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD (integer)`` Intra macroblock refresh period. This sets the period to refresh the whole frame. In other words, this defines the number of frames diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 54ca4e6..451c8b0 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -572,6 +572,11 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "VBV/CPB Limit", NULL, }; + static const char * const intra_refresh_period_type[] = { + "Random", + "Cyclic", + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -705,6 +710,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return hevc_start_code; case V4L2_CID_CAMERA_ORIENTATION: return camera_orientation; + case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE: + return intra_refresh_period_type; default: return NULL; } @@ -834,6 +841,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: return "Decoder Slice Interface"; case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: return "MPEG4 Loop Filter Enable"; case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB: return "Number of Intra Refresh MBs"; + case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE: return "Intra Refresh Type"; case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD: return "Intra Refresh Period"; case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE: return "Frame Level Rate Control Enable"; case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE: return "H264 MB Level Rate Control"; @@ -1360,6 +1368,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_STATELESS_H264_DECODE_MODE: case V4L2_CID_STATELESS_H264_START_CODE: case V4L2_CID_CAMERA_ORIENTATION: + case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE: *type = V4L2_CTRL_TYPE_MENU; break; case V4L2_CID_LINK_FREQ: diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index c8e0f84..e7df4c5 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -443,6 +443,11 @@ enum v4l2_mpeg_video_multi_slice_mode { #define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (V4L2_CID_CODEC_BASE+234) #define V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (V4L2_CID_CODEC_BASE+235) #define V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD (V4L2_CID_CODEC_BASE+236) +#define V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE (V4L2_CID_CODEC_BASE+237) +enum v4l2_mpeg_video_intra_refresh_period_type { + V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_RANDOM = 0, + V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC = 1, +}; /* CIDs for the MPEG-2 Part 2 (H.262) codec */ #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE+270)