From patchwork Fri Jan 7 13:12:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 530750 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 71E68C433EF for ; Fri, 7 Jan 2022 13:12:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347489AbiAGNM2 (ORCPT ); Fri, 7 Jan 2022 08:12:28 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:65434 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347480AbiAGNM1 (ORCPT ); Fri, 7 Jan 2022 08:12:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1641561147; x=1673097147; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=Z3uwJpUx3nS2c2Ljo9axsvIkHFp1lFASKJDyR50po30=; b=D5dc9MwIxgLyT4Hg2XoAnIT8MQn7HFG+wotfKNQu3MW5ACAUwUXQdK4x XI62ZqrVS8Af0uCEBO/6xdAleENOESNYXf0dqUiOZ9BA/iLQIjkRRbpjF pb3wDZERvs7LtBqlAXXfZ1d0AbYpwmOn9CmHIYBO0PJIoVCRfxilHVECI w=; Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 07 Jan 2022 05:12:27 -0800 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg08-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 07 Jan 2022 05:12:26 -0800 X-QCInternal: smtphost Received: from hu-dikshita-hyd.qualcomm.com (HELO hu-sgudaval-hyd.qualcomm.com) ([10.213.110.13]) by ironmsg01-blr.qualcomm.com with ESMTP; 07 Jan 2022 18:42:15 +0530 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 347544) id 45895422C; Fri, 7 Jan 2022 18:42:14 +0530 (+0530) From: Dikshita Agarwal To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: hverkuil-cisco@xs4all.nl, ezequiel@collabora.com, vgarodia@codeaurora.org, stanimir.varbanov@linaro.org, Dikshita Agarwal Subject: [PATCH 1/2] media: v4l2-ctrls: Add intra-refresh type control Date: Fri, 7 Jan 2022 18:42:03 +0530 Message-Id: <1641561124-19476-2-git-send-email-quic_dikshita@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1641561124-19476-1-git-send-email-quic_dikshita@quicinc.com> References: <1641561124-19476-1-git-send-email-quic_dikshita@quicinc.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add a control to set intra-refresh type. Signed-off-by: Dikshita Agarwal --- .../userspace-api/media/v4l/ext-ctrls-codec.rst | 27 ++++++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 10 ++++++++ include/uapi/linux/v4l2-controls.h | 6 +++++ 3 files changed, 43 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index e141f0e..ce0201b 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_TYPE (enum)`` + +enum v4l2_mpeg_video_intra_refresh_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_RANDOM`` + or ``V4L2_MPEG_VIDEO_INTRA_REFRESH_CYCLIC`` the ``V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB`` + control shall be ignored. + If the client sets this control to ``V4L2_MPEG_VIDEO_INTRA_REFRESH_NONE`` the + V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB control shall not be ignored. + Applicable to H264, H263 and MPEG4 encoder. Possible values are: + +.. tabularcolumns:: |p{9.6cm}|p{7.9cm}| + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_NONE`` + - Intra refresh is disabled. + * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_RANDOM`` + - The whole frame is completely refreshed randomly + after the specified period. + * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_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..403c77b 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -572,6 +572,12 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "VBV/CPB Limit", NULL, }; + static const char * const intra_refresh_type[] = { + "None" + "Random", + "Cyclic", + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -705,6 +711,8 @@ 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_TYPE: + return intra_refresh_type; default: return NULL; } @@ -834,6 +842,7 @@ 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_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 +1369,7 @@ 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_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..5429c25 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -443,6 +443,12 @@ 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_TYPE (V4L2_CID_CODEC_BASE+237) +enum v4l2_mpeg_video_intra_refresh_type { + V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_NONE = 0, + V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_RANDOM = 1, + V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_CYCLIC = 2, +}; /* CIDs for the MPEG-2 Part 2 (H.262) codec */ #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE+270)