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[84.238.221.32]) by smtp.gmail.com with ESMTPSA id k2sm20690929wrw.93.2021.06.22.04.40.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Jun 2021 04:40:18 -0700 (PDT) From: Stanimir Varbanov To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: Ezequiel Garcia , nicolas.dufresne@collabora.com, Hans Verkuil , Stanimir Varbanov Subject: [PATCH v5 1/3] docs: ext-ctrls-codec: Document cyclic intra-refresh zero control value Date: Tue, 22 Jun 2021 14:39:56 +0300 Message-Id: <20210622113958.809173-2-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210622113958.809173-1-stanimir.varbanov@linaro.org> References: <20210622113958.809173-1-stanimir.varbanov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In all drivers _CYCLIC_INTRA_REFRESH_MB default control value is zero which means that the macroblocks will not be intra-refreshed. Document this _CYCLIC_INTRA_REFRESH_MB control behaviour in control description. Signed-off-by: Stanimir Varbanov --- Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 8c6e2a11ed95..addf44b99dfa 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1174,7 +1174,9 @@ enum v4l2_mpeg_video_h264_entropy_mode - Cyclic intra macroblock refresh. This is the number of continuous macroblocks refreshed every frame. Each frame a successive set of macroblocks is refreshed until the cycle completes and starts from - the top of the frame. Applicable to H264, H263 and MPEG4 encoder. + the top of the frame. Setting this control to zero means that + macroblocks will not be refreshed. + Applicable to H264, H263 and MPEG4 encoder. ``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)`` Frame level rate control enable. If this control is disabled then -- 2.25.1