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-rw-r--r--src/cam/main.cpp38
-rw-r--r--src/libcamera/camera.cpp42
-rw-r--r--src/libcamera/include/pipeline_handler.h6
-rw-r--r--src/libcamera/pipeline/ipu3/ipu3.cpp31
-rw-r--r--src/libcamera/pipeline/rkisp1/rkisp1.cpp19
-rw-r--r--src/libcamera/pipeline/uvcvideo.cpp24
-rw-r--r--src/libcamera/pipeline/vimc.cpp24
-rw-r--r--src/libcamera/pipeline_handler.cpp3
-rw-r--r--src/qcam/main_window.cpp6
-rw-r--r--src/qcam/main_window.h3
10 files changed, 107 insertions, 89 deletions
diff --git a/src/cam/main.cpp b/src/cam/main.cpp
index cd165bea..535c2420 100644
--- a/src/cam/main.cpp
+++ b/src/cam/main.cpp
@@ -85,15 +85,13 @@ static int parseOptions(int argc, char *argv[])
return 0;
}
-static int prepareCameraConfig(CameraConfiguration *config)
+static std::unique_ptr<CameraConfiguration> prepareCameraConfig()
{
StreamRoles roles;
/* If no configuration is provided assume a single video stream. */
- if (!options.isSet(OptStream)) {
- *config = camera->generateConfiguration({ StreamRole::VideoRecording });
- return 0;
- }
+ if (!options.isSet(OptStream))
+ return camera->generateConfiguration({ StreamRole::VideoRecording });
const std::vector<OptionValue> &streamOptions =
options[OptStream].toArray();
@@ -113,23 +111,22 @@ static int prepareCameraConfig(CameraConfiguration *config)
} else {
std::cerr << "Unknown stream role "
<< conf["role"].toString() << std::endl;
- return -EINVAL;
+ return nullptr;
}
}
- *config = camera->generateConfiguration(roles);
-
- if (!config->isValid()) {
+ std::unique_ptr<CameraConfiguration> config = camera->generateConfiguration(roles);
+ if (!config || !config->isValid()) {
std::cerr << "Failed to get default stream configuration"
<< std::endl;
- return -EINVAL;
+ return nullptr;
}
/* Apply configuration explicitly requested. */
unsigned int i = 0;
for (auto const &value : streamOptions) {
KeyValueParser::Options conf = value.toKeyValues();
- StreamConfiguration &cfg = (*config)[i++];
+ StreamConfiguration &cfg = config->at(i++);
if (conf.isSet("width"))
cfg.size.width = conf["width"];
@@ -142,7 +139,7 @@ static int prepareCameraConfig(CameraConfiguration *config)
cfg.pixelFormat = conf["pixelformat"];
}
- return 0;
+ return config;
}
static void requestComplete(Request *request, const std::map<Stream *, Buffer *> &buffers)
@@ -191,16 +188,15 @@ static void requestComplete(Request *request, const std::map<Stream *, Buffer *>
static int capture()
{
- CameraConfiguration config;
int ret;
- ret = prepareCameraConfig(&config);
- if (ret) {
+ std::unique_ptr<CameraConfiguration> config = prepareCameraConfig();
+ if (!config) {
std::cout << "Failed to prepare camera configuration" << std::endl;
- return ret;
+ return -EINVAL;
}
- ret = camera->configure(config);
+ ret = camera->configure(config.get());
if (ret < 0) {
std::cout << "Failed to configure camera" << std::endl;
return ret;
@@ -208,8 +204,8 @@ static int capture()
streamInfo.clear();
- for (unsigned int index = 0; index < config.size(); ++index) {
- StreamConfiguration &cfg = config[index];
+ for (unsigned int index = 0; index < config->size(); ++index) {
+ StreamConfiguration &cfg = config->at(index);
streamInfo[cfg.stream()] = "stream" + std::to_string(index);
}
@@ -224,7 +220,7 @@ static int capture()
/* Identify the stream with the least number of buffers. */
unsigned int nbuffers = UINT_MAX;
- for (StreamConfiguration &cfg : config) {
+ for (StreamConfiguration &cfg : *config) {
Stream *stream = cfg.stream();
nbuffers = std::min(nbuffers, stream->bufferPool().count());
}
@@ -244,7 +240,7 @@ static int capture()
}
std::map<Stream *, Buffer *> map;
- for (StreamConfiguration &cfg : config) {
+ for (StreamConfiguration &cfg : *config) {
Stream *stream = cfg.stream();
map[stream] = &stream->bufferPool().buffers()[i];
}
diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp
index 5848330f..e7931ce0 100644
--- a/src/libcamera/camera.cpp
+++ b/src/libcamera/camera.cpp
@@ -540,27 +540,37 @@ const std::set<Stream *> &Camera::streams() const
*
* Generate a camera configuration for a set of desired stream roles. The caller
* specifies a list of stream roles and the camera returns a configuration
- * containing suitable streams and their suggested default configurations.
+ * containing suitable streams and their suggested default configurations. An
+ * empty list of roles is valid, and will generate an empty configuration that
+ * can be filled by the caller.
*
- * \return A valid CameraConfiguration if the requested roles can be satisfied,
- * or a invalid one otherwise
+ * \return A CameraConfiguration if the requested roles can be satisfied, or a
+ * null pointer otherwise. The ownership of the returned configuration is
+ * passed to the caller.
*/
-CameraConfiguration
-Camera::generateConfiguration(const StreamRoles &roles)
+std::unique_ptr<CameraConfiguration> Camera::generateConfiguration(const StreamRoles &roles)
{
- if (disconnected_ || !roles.size() || roles.size() > streams_.size())
- return CameraConfiguration();
+ if (disconnected_ || roles.size() > streams_.size())
+ return nullptr;
- CameraConfiguration config = pipe_->generateConfiguration(this, roles);
+ CameraConfiguration *config = pipe_->generateConfiguration(this, roles);
+ if (!config) {
+ LOG(Camera, Debug)
+ << "Pipeline handler failed to generate configuration";
+ return nullptr;
+ }
std::ostringstream msg("streams configuration:", std::ios_base::ate);
- for (unsigned int index = 0; index < config.size(); ++index)
- msg << " (" << index << ") " << config[index].toString();
+ if (config->empty())
+ msg << " empty";
+
+ for (unsigned int index = 0; index < config->size(); ++index)
+ msg << " (" << index << ") " << config->at(index).toString();
LOG(Camera, Debug) << msg.str();
- return config;
+ return std::unique_ptr<CameraConfiguration>(config);
}
/**
@@ -590,7 +600,7 @@ Camera::generateConfiguration(const StreamRoles &roles)
* \retval -EACCES The camera is not in a state where it can be configured
* \retval -EINVAL The configuration is not valid
*/
-int Camera::configure(CameraConfiguration &config)
+int Camera::configure(CameraConfiguration *config)
{
int ret;
@@ -600,7 +610,7 @@ int Camera::configure(CameraConfiguration &config)
if (!stateBetween(CameraAcquired, CameraConfigured))
return -EACCES;
- if (!config.isValid()) {
+ if (!config->isValid()) {
LOG(Camera, Error)
<< "Can't configure camera with invalid configuration";
return -EINVAL;
@@ -608,8 +618,8 @@ int Camera::configure(CameraConfiguration &config)
std::ostringstream msg("configuring streams:", std::ios_base::ate);
- for (unsigned int index = 0; index < config.size(); ++index) {
- StreamConfiguration &cfg = config[index];
+ for (unsigned int index = 0; index < config->size(); ++index) {
+ StreamConfiguration &cfg = config->at(index);
cfg.setStream(nullptr);
msg << " (" << index << ") " << cfg.toString();
}
@@ -621,7 +631,7 @@ int Camera::configure(CameraConfiguration &config)
return ret;
activeStreams_.clear();
- for (const StreamConfiguration &cfg : config) {
+ for (const StreamConfiguration &cfg : *config) {
Stream *stream = cfg.stream();
if (!stream)
LOG(Camera, Fatal)
diff --git a/src/libcamera/include/pipeline_handler.h b/src/libcamera/include/pipeline_handler.h
index a025905a..7da6df1a 100644
--- a/src/libcamera/include/pipeline_handler.h
+++ b/src/libcamera/include/pipeline_handler.h
@@ -60,9 +60,9 @@ public:
bool lock();
void unlock();
- virtual CameraConfiguration
- generateConfiguration(Camera *camera, const StreamRoles &roles) = 0;
- virtual int configure(Camera *camera, CameraConfiguration &config) = 0;
+ virtual CameraConfiguration *generateConfiguration(Camera *camera,
+ const StreamRoles &roles) = 0;
+ virtual int configure(Camera *camera, CameraConfiguration *config) = 0;
virtual int allocateBuffers(Camera *camera,
const std::set<Stream *> &streams) = 0;
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index ed0ef69d..3acf82ff 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -150,9 +150,9 @@ class PipelineHandlerIPU3 : public PipelineHandler
public:
PipelineHandlerIPU3(CameraManager *manager);
- CameraConfiguration
- generateConfiguration(Camera *camera, const StreamRoles &roles) override;
- int configure(Camera *camera, CameraConfiguration &config) override;
+ CameraConfiguration *generateConfiguration(Camera *camera,
+ const StreamRoles &roles) override;
+ int configure(Camera *camera, CameraConfiguration *config) override;
int allocateBuffers(Camera *camera,
const std::set<Stream *> &streams) override;
@@ -207,12 +207,11 @@ PipelineHandlerIPU3::PipelineHandlerIPU3(CameraManager *manager)
{
}
-CameraConfiguration
-PipelineHandlerIPU3::generateConfiguration(Camera *camera,
- const StreamRoles &roles)
+CameraConfiguration *PipelineHandlerIPU3::generateConfiguration(Camera *camera,
+ const StreamRoles &roles)
{
IPU3CameraData *data = cameraData(camera);
- CameraConfiguration config = {};
+ CameraConfiguration *config = new CameraConfiguration();
std::set<IPU3Stream *> streams = {
&data->outStream_,
&data->vfStream_,
@@ -290,21 +289,23 @@ PipelineHandlerIPU3::generateConfiguration(Camera *camera,
break;
}
- if (!stream)
- return CameraConfiguration{};
+ if (!stream) {
+ delete config;
+ return nullptr;
+ }
streams.erase(stream);
cfg.pixelFormat = V4L2_PIX_FMT_NV12;
cfg.bufferCount = IPU3_BUFFER_COUNT;
- config.addConfiguration(cfg);
+ config->addConfiguration(cfg);
}
return config;
}
-int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration &config)
+int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration *config)
{
IPU3CameraData *data = cameraData(camera);
IPU3Stream *outStream = &data->outStream_;
@@ -316,7 +317,7 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration &config)
outStream->active_ = false;
vfStream->active_ = false;
- for (StreamConfiguration &cfg : config) {
+ for (StreamConfiguration &cfg : *config) {
/*
* Pick a stream for the configuration entry.
* \todo: This is a naive temporary implementation that will be
@@ -382,7 +383,7 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration &config)
return ret;
/* Apply the format to the configured streams output devices. */
- for (StreamConfiguration &cfg : config) {
+ for (StreamConfiguration &cfg : *config) {
IPU3Stream *stream = static_cast<IPU3Stream *>(cfg.stream());
ret = imgu->configureOutput(stream->device_, cfg);
if (ret)
@@ -395,13 +396,13 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration &config)
* be at least one active stream in the configuration request).
*/
if (!outStream->active_) {
- ret = imgu->configureOutput(outStream->device_, config[0]);
+ ret = imgu->configureOutput(outStream->device_, config->at(0));
if (ret)
return ret;
}
if (!vfStream->active_) {
- ret = imgu->configureOutput(vfStream->device_, config[0]);
+ ret = imgu->configureOutput(vfStream->device_, config->at(0));
if (ret)
return ret;
}
diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
index ec6980b0..c8d217ab 100644
--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp
+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
@@ -34,9 +34,9 @@ public:
PipelineHandlerRkISP1(CameraManager *manager);
~PipelineHandlerRkISP1();
- CameraConfiguration generateConfiguration(Camera *camera,
+ CameraConfiguration *generateConfiguration(Camera *camera,
const StreamRoles &roles) override;
- int configure(Camera *camera, CameraConfiguration &config) override;
+ int configure(Camera *camera, CameraConfiguration *config) override;
int allocateBuffers(Camera *camera,
const std::set<Stream *> &streams) override;
@@ -105,26 +105,29 @@ PipelineHandlerRkISP1::~PipelineHandlerRkISP1()
* Pipeline Operations
*/
-CameraConfiguration PipelineHandlerRkISP1::generateConfiguration(Camera *camera,
+CameraConfiguration *PipelineHandlerRkISP1::generateConfiguration(Camera *camera,
const StreamRoles &roles)
{
RkISP1CameraData *data = cameraData(camera);
- CameraConfiguration config;
- StreamConfiguration cfg{};
+ CameraConfiguration *config = new CameraConfiguration();
+
+ if (roles.empty())
+ return config;
+ StreamConfiguration cfg{};
cfg.pixelFormat = V4L2_PIX_FMT_NV12;
cfg.size = data->sensor_->resolution();
cfg.bufferCount = RKISP1_BUFFER_COUNT;
- config.addConfiguration(cfg);
+ config->addConfiguration(cfg);
return config;
}
-int PipelineHandlerRkISP1::configure(Camera *camera, CameraConfiguration &config)
+int PipelineHandlerRkISP1::configure(Camera *camera, CameraConfiguration *config)
{
RkISP1CameraData *data = cameraData(camera);
- StreamConfiguration &cfg = config[0];
+ StreamConfiguration &cfg = config->at(0);
CameraSensor *sensor = data->sensor_;
int ret;
diff --git a/src/libcamera/pipeline/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo.cpp
index 5dcc868b..120d8d3a 100644
--- a/src/libcamera/pipeline/uvcvideo.cpp
+++ b/src/libcamera/pipeline/uvcvideo.cpp
@@ -25,9 +25,9 @@ class PipelineHandlerUVC : public PipelineHandler
public:
PipelineHandlerUVC(CameraManager *manager);
- CameraConfiguration
- generateConfiguration(Camera *camera, const StreamRoles &roles) override;
- int configure(Camera *camera, CameraConfiguration &config) override;
+ CameraConfiguration *generateConfiguration(Camera *camera,
+ const StreamRoles &roles) override;
+ int configure(Camera *camera, CameraConfiguration *config) override;
int allocateBuffers(Camera *camera,
const std::set<Stream *> &streams) override;
@@ -73,26 +73,28 @@ PipelineHandlerUVC::PipelineHandlerUVC(CameraManager *manager)
{
}
-CameraConfiguration
-PipelineHandlerUVC::generateConfiguration(Camera *camera,
- const StreamRoles &roles)
+CameraConfiguration *PipelineHandlerUVC::generateConfiguration(Camera *camera,
+ const StreamRoles &roles)
{
- CameraConfiguration config;
- StreamConfiguration cfg;
+ CameraConfiguration *config = new CameraConfiguration();
+ if (roles.empty())
+ return config;
+
+ StreamConfiguration cfg{};
cfg.pixelFormat = V4L2_PIX_FMT_YUYV;
cfg.size = { 640, 480 };
cfg.bufferCount = 4;
- config.addConfiguration(cfg);
+ config->addConfiguration(cfg);
return config;
}
-int PipelineHandlerUVC::configure(Camera *camera, CameraConfiguration &config)
+int PipelineHandlerUVC::configure(Camera *camera, CameraConfiguration *config)
{
UVCCameraData *data = cameraData(camera);
- StreamConfiguration &cfg = config[0];
+ StreamConfiguration &cfg = config->at(0);
int ret;
V4L2DeviceFormat format = {};
diff --git a/src/libcamera/pipeline/vimc.cpp b/src/libcamera/pipeline/vimc.cpp
index af6b6f21..f6aa3268 100644
--- a/src/libcamera/pipeline/vimc.cpp
+++ b/src/libcamera/pipeline/vimc.cpp
@@ -25,9 +25,9 @@ class PipelineHandlerVimc : public PipelineHandler
public:
PipelineHandlerVimc(CameraManager *manager);
- CameraConfiguration
- generateConfiguration(Camera *camera, const StreamRoles &roles) override;
- int configure(Camera *camera, CameraConfiguration &config) override;
+ CameraConfiguration *generateConfiguration(Camera *camera,
+ const StreamRoles &roles) override;
+ int configure(Camera *camera, CameraConfiguration *config) override;
int allocateBuffers(Camera *camera,
const std::set<Stream *> &streams) override;
@@ -73,26 +73,28 @@ PipelineHandlerVimc::PipelineHandlerVimc(CameraManager *manager)
{
}
-CameraConfiguration
-PipelineHandlerVimc::generateConfiguration(Camera *camera,
- const StreamRoles &roles)
+CameraConfiguration *PipelineHandlerVimc::generateConfiguration(Camera *camera,
+ const StreamRoles &roles)
{
- CameraConfiguration config;
- StreamConfiguration cfg;
+ CameraConfiguration *config = new CameraConfiguration();
+ if (roles.empty())
+ return config;
+
+ StreamConfiguration cfg{};
cfg.pixelFormat = V4L2_PIX_FMT_RGB24;
cfg.size = { 640, 480 };
cfg.bufferCount = 4;
- config.addConfiguration(cfg);
+ config->addConfiguration(cfg);
return config;
}
-int PipelineHandlerVimc::configure(Camera *camera, CameraConfiguration &config)
+int PipelineHandlerVimc::configure(Camera *camera, CameraConfiguration *config)
{
VimcCameraData *data = cameraData(camera);
- StreamConfiguration &cfg = config[0];
+ StreamConfiguration &cfg = config->at(0);
int ret;
V4L2DeviceFormat format = {};
diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp
index 4185e355..de46e988 100644
--- a/src/libcamera/pipeline_handler.cpp
+++ b/src/libcamera/pipeline_handler.cpp
@@ -233,7 +233,8 @@ void PipelineHandler::unlock()
* the group of streams parameters.
*
* \return A valid CameraConfiguration if the requested roles can be satisfied,
- * or a invalid configuration otherwise
+ * or a null pointer otherwise. The ownership of the returned configuration is
+ * passed to the caller.
*/
/**
diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp
index 06ae2985..16b12313 100644
--- a/src/qcam/main_window.cpp
+++ b/src/qcam/main_window.cpp
@@ -98,13 +98,13 @@ int MainWindow::startCapture()
int ret;
config_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
- ret = camera_->configure(config_);
+ ret = camera_->configure(config_.get());
if (ret < 0) {
std::cout << "Failed to configure camera" << std::endl;
return ret;
}
- const StreamConfiguration &cfg = config_[0];
+ const StreamConfiguration &cfg = config_->at(0);
Stream *stream = cfg.stream();
ret = viewfinder_->setFormat(cfg.pixelFormat, cfg.size.width,
cfg.size.height);
@@ -180,6 +180,8 @@ void MainWindow::stopCapture()
camera_->freeBuffers();
isCapturing_ = false;
+
+ config_.reset();
}
void MainWindow::requestComplete(Request *request,
diff --git a/src/qcam/main_window.h b/src/qcam/main_window.h
index 143b5b08..fe565cbc 100644
--- a/src/qcam/main_window.h
+++ b/src/qcam/main_window.h
@@ -8,6 +8,7 @@
#define __QCAM_MAIN_WINDOW_H__
#include <map>
+#include <memory>
#include <QMainWindow>
@@ -45,7 +46,7 @@ private:
std::shared_ptr<Camera> camera_;
bool isCapturing_;
- CameraConfiguration config_;
+ std::unique_ptr<CameraConfiguration> config_;
ViewFinder *viewfinder_;
};
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-10 08:24:20 +0000