[libcamera-devel] [PATCH v3 6/8] libcamera: ipu3: Queue request for multiple streams

[Jacopo Mondi]

Add support for queue request on the main and secondary outputs of the
ImgU.

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 src/libcamera/pipeline/ipu3/ipu3.cpp | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index f7e75fac1dfe..8c67cf985d1e 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -572,20 +572,22 @@ void PipelineHandlerIPU3::stop(Camera *camera)
 int PipelineHandlerIPU3::queueRequest(Camera *camera, Request *request)
 {
 	IPU3CameraData *data = cameraData(camera);
-	V4L2Device *output = data->imgu_->output_.dev;
-	Stream *stream = &data->outStream_;
 
-	/* Queue a buffer to the ImgU output for capture. */
-	Buffer *buffer = request->findBuffer(stream);
-	if (!buffer) {
-		LOG(IPU3, Error)
-			<< "Attempt to queue request with invalid stream";
-		return -ENOENT;
-	}
+	for (Stream *stream : request->streams()) {
+		Buffer *buffer = request->findBuffer(stream);
+		if (!buffer) {
+			LOG(IPU3, Error) << "Attempt to queue invalid request";
+			return -ENOENT;
+		}
 
-	int ret = output->queueBuffer(buffer);
-	if (ret < 0)
-		return ret;
+		V4L2Device *videoDevice = isOutput(data, stream)
+					? data->imgu_->output_.dev
+					: data->imgu_->viewfinder_.dev;
+
+		int ret = videoDevice->queueBuffer(buffer);
+		if (ret)
+			return ret;
+	}
 
 	PipelineHandler::queueRequest(camera, request);
 
-- 
2.21.0