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\n\tMon, 08 Jun 2020 06:36:45 -0700 (PDT)","From":"Naushir Patuck ","To":"libcamera-devel@lists.libcamera.org","Date":"Mon, 8 Jun 2020 14:36:37 +0100","Message-Id":"<20200608133639.533230-2-naush@raspberrypi.com>","X-Mailer":"git-send-email 2.25.1","In-Reply-To":"<20200608133639.533230-1-naush@raspberrypi.com>","References":"<20200608133639.533230-1-naush@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 1/3] libcamera: controls: Add frame\n\tduration control","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Mon, 08 Jun 2020 13:36:47 -0000"},"content":"Add a float array control (controls::FrameDurations) to specify the\nminimum and maximum (in that order) frame duration to be used by the\ncamera sensor.\n\nSigned-off-by: Naushir Patuck \n---\n src/libcamera/control_ids.yaml | 18 ++++++++++++++++++\n 1 file changed, 18 insertions(+)","diff":"diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml\nindex 77ebc3f9..e161464b 100644\n--- a/src/libcamera/control_ids.yaml\n+++ b/src/libcamera/control_ids.yaml\n@@ -239,4 +239,22 @@ controls:\n pixel range (as if pixels ranged from 0 to 65535). The SensorBlackLevels\n control can only be returned in metadata.\n size: [4]\n+\n+ - FrameDurationLimits:\n+ type: float\n+ description: |\n+ Specifies the minimum and maximum (in that order) allowable frame\n+ duration, in micro-seconds, for the sensor to use. This could also limit\n+ the largest exposure times the sensor can use. For example, if a maximum\n+ frame duration of 33ms is requested (corresponding to 30 frames per\n+ second), the sensor will not be able raise the exposure time above 33ms.\n+ FrameDurationLimits is only applied if AE is enabled.\n+\n+ Note that the sensor may not always be able to provide the requested\n+ frame duration limits depending on its mode configuration. In such\n+ situations, the user requested minimum and maximum frame durations will\n+ be clipped to what the sensor supports.\n+\n+ \\sa ExposureTime AeEnable\n+ size: [2]\n ...\n","prefixes":["libcamera-devel","v3","1/3"]}