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-rw-r--r--src/libcamera/pipeline/raspberrypi/raspberrypi.cpp31
1 files changed, 30 insertions, 1 deletions
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index 9847e926..00fa62c9 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -625,7 +625,7 @@ int PipelineHandlerRPi::configure(Camera *camera, CameraConfiguration *config)
* StreamConfiguration appropriately.
*/
V4L2DeviceFormat format;
- bool output1Set = false;
+ bool output0Set = false, output1Set = false;
for (unsigned i = 0; i < config->size(); i++) {
StreamConfiguration &cfg = config->at(i);
@@ -662,6 +662,35 @@ int PipelineHandlerRPi::configure(Camera *camera, CameraConfiguration *config)
if (i != maxIndex)
output1Set = true;
+ else
+ output0Set = true;
+ }
+
+ /*
+ * If ISP::Output0 stream has not been configured by the application,
+ * we must allow the hardware to generate an output so that the data
+ * flow in the pipeline handler remains consistent, and we still generate
+ * statistics for the IPA to use. So enable the output at a very low
+ * resolution for internal use.
+ *
+ * \todo Allow the pipeline to work correctly without Output0 and only
+ * statistics coming from the hardware.
+ */
+ if (!output0Set) {
+ maxSize = Size(320, 240);
+ format = {};
+ format.size = maxSize;
+ format.fourcc = V4L2PixelFormat::fromPixelFormat(formats::YUV420, false);
+ ret = data->isp_[Isp::Output0].dev()->setFormat(&format);
+ if (ret) {
+ LOG(RPI, Error)
+ << "Failed to set default format on ISP Output0: "
+ << ret;
+ return -EINVAL;
+ }
+
+ LOG(RPI, Debug) << "Defaulting ISP Output0 format to "
+ << format.toString();
}
/*