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authorKieran Bingham <kieran.bingham@ideasonboard.com>2020-07-13 12:48:37 +0100
committerBarnabás Pőcze <pobrn@protonmail.com>2024-12-09 12:19:20 +0100
commit11af1b84e6820da16a55423b59776749a639f419 (patch)
tree6ef36a04b02fd437d2b73a639e0be2bb17398826 /src
parent3feec0c06f929efaf26a9a56b1e09ec78c124a71 (diff)
libcamera: pipeline: vivid: Initialise key controls
The VIVID pipeline handler retains state globally of it's controls. Ensure that when we configure this specific pipeline we set initial parameters on the device that suit our (specific) needs. This introduces how controls can be set directly on a device, however under normal circumstances controls should usually be set from libcamera controls as part of a request. These are VIVID specific only. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src')
-rw-r--r--src/libcamera/pipeline/vivid/vivid.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/libcamera/pipeline/vivid/vivid.cpp b/src/libcamera/pipeline/vivid/vivid.cpp
index 999eda34..2e36e0de 100644
--- a/src/libcamera/pipeline/vivid/vivid.cpp
+++ b/src/libcamera/pipeline/vivid/vivid.cpp
@@ -28,6 +28,18 @@
*/
#pragma GCC diagnostic ignored "-Wunused-parameter"
+#define VIVID_CID_VIVID_BASE (0x00f00000 | 0xf000)
+#define VIVID_CID_VIVID_CLASS (0x00f00000 | 1)
+#define VIVID_CID_TEST_PATTERN (VIVID_CID_VIVID_BASE + 0)
+#define VIVID_CID_OSD_TEXT_MODE (VIVID_CID_VIVID_BASE + 1)
+#define VIVID_CID_HOR_MOVEMENT (VIVID_CID_VIVID_BASE + 2)
+#define VIVID_CID_VERT_MOVEMENT (VIVID_CID_VIVID_BASE + 3)
+#define VIVID_CID_SHOW_BORDER (VIVID_CID_VIVID_BASE + 4)
+#define VIVID_CID_SHOW_SQUARE (VIVID_CID_VIVID_BASE + 5)
+#define VIVID_CID_INSERT_SAV (VIVID_CID_VIVID_BASE + 6)
+#define VIVID_CID_INSERT_EAV (VIVID_CID_VIVID_BASE + 7)
+#define VIVID_CID_VBI_CAP_INTERLACED (VIVID_CID_VIVID_BASE + 8)
+
namespace libcamera {
LOG_DEFINE_CATEGORY(VIVID)
@@ -181,6 +193,25 @@ int PipelineHandlerVivid::configure(Camera *camera, CameraConfiguration *config)
format.fourcc != data->video_->toV4L2PixelFormat(cfg.pixelFormat))
return -EINVAL;
+ /* Set initial controls specific to VIVID */
+ ControlList controls(data->video_->controls());
+ controls.set(VIVID_CID_TEST_PATTERN, 0); /* Vertical Colour Bars */
+ controls.set(VIVID_CID_OSD_TEXT_MODE, 0); /* Display all OSD */
+
+ /* Ensure clear colours configured. */
+ controls.set(V4L2_CID_BRIGHTNESS, 128);
+ controls.set(V4L2_CID_CONTRAST, 128);
+ controls.set(V4L2_CID_SATURATION, 128);
+
+ /* Enable movement to visualise buffer updates. */
+ controls.set(VIVID_CID_HOR_MOVEMENT, 5);
+
+ ret = data->video_->setControls(&controls);
+ if (ret) {
+ LOG(VIVID, Error) << "Failed to set controls: " << ret;
+ return ret < 0 ? ret : -EINVAL;
+ }
+
cfg.setStream(&data->stream_);
cfg.stride = format.planes[0].bpl;