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-rw-r--r--src/cam/capture.cpp2
-rw-r--r--src/libcamera/camera.cpp4
-rw-r--r--src/libcamera/stream.cpp36
-rw-r--r--src/qcam/main_window.cpp2
4 files changed, 38 insertions, 6 deletions
diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp
index 66ec1aba..5ffa4ae2 100644
--- a/src/cam/capture.cpp
+++ b/src/cam/capture.cpp
@@ -154,7 +154,7 @@ void Capture::requestComplete(Request *request, const std::map<Stream *, Buffer
for (auto it = buffers.begin(); it != buffers.end(); ++it) {
Stream *stream = it->first;
Buffer *buffer = it->second;
- BufferMemory *mem = &stream->bufferPool().buffers()[buffer->index()];
+ BufferMemory *mem = &stream->buffers()[buffer->index()];
const std::string &name = streamName_[stream];
info << " " << name
diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp
index 1f307654..61d3e821 100644
--- a/src/libcamera/camera.cpp
+++ b/src/libcamera/camera.cpp
@@ -683,7 +683,7 @@ int Camera::configure(CameraConfiguration *config)
* Allocate buffer objects in the pool.
* Memory will be allocated and assigned later.
*/
- stream->bufferPool().createBuffers(cfg.bufferCount);
+ stream->createBuffers(cfg.bufferCount);
}
state_ = CameraConfigured;
@@ -744,7 +744,7 @@ int Camera::freeBuffers()
* All mappings must be destroyed before buffers can be freed
* by the V4L2 device that has allocated them.
*/
- stream->bufferPool().destroyBuffers();
+ stream->destroyBuffers();
}
state_ = CameraConfigured;
diff --git a/src/libcamera/stream.cpp b/src/libcamera/stream.cpp
index 6d80646b..12067c08 100644
--- a/src/libcamera/stream.cpp
+++ b/src/libcamera/stream.cpp
@@ -435,20 +435,52 @@ std::unique_ptr<Buffer> Stream::createBuffer(unsigned int index)
* \fn Stream::bufferPool()
* \brief Retrieve the buffer pool for the stream
*
- * The buffer pool handles the buffers used to capture frames at the output of
- * the stream. It is initially created empty and shall be populated with
+ * The buffer pool handles the memory buffers used to store frames for the
+ * stream. It is initially created empty and shall be populated with
* buffers before being used.
*
* \return A reference to the buffer pool
*/
/**
+ * \fn Stream::buffers()
+ * \brief Retrieve the memory buffers in the Stream's buffer pool
+ * \return The list of stream's memory buffers
+ */
+
+/**
* \fn Stream::configuration()
* \brief Retrieve the active configuration of the stream
* \return The active configuration of the stream
*/
/**
+ * \brief Create buffers for the stream
+ * \param[in] count The number of buffers to create
+ *
+ * Create \a count empty buffers in the Stream's buffer pool.
+ */
+void Stream::createBuffers(unsigned int count)
+{
+ destroyBuffers();
+ if (count == 0)
+ return;
+
+ bufferPool_.createBuffers(count);
+}
+
+/**
+ * \brief Destroy buffers in the stream
+ *
+ * If no buffers have been created or if buffers have already been destroyed no
+ * operation is performed.
+ */
+void Stream::destroyBuffers()
+{
+ bufferPool_.destroyBuffers();
+}
+
+/**
* \var Stream::bufferPool_
* \brief The pool of buffers associated with the stream
*
diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp
index 7023e115..92f88832 100644
--- a/src/qcam/main_window.cpp
+++ b/src/qcam/main_window.cpp
@@ -235,7 +235,7 @@ void MainWindow::requestComplete(Request *request,
<< " fps: " << std::fixed << std::setprecision(2) << fps
<< std::endl;
- BufferMemory *mem = &stream->bufferPool().buffers()[buffer->index()];
+ BufferMemory *mem = &stream->buffers()[buffer->index()];
display(buffer, mem);
request = camera_->createRequest();