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-rw-r--r--src/qcam/main_window.cpp31
-rw-r--r--src/qcam/main_window.h4
-rw-r--r--src/qcam/meson.build1
-rw-r--r--src/qcam/viewfinder.h6
-rw-r--r--src/qcam/viewfinder_gl.cpp7
-rw-r--r--src/qcam/viewfinder_gl.h2
-rw-r--r--src/qcam/viewfinder_qt.cpp6
-rw-r--r--src/qcam/viewfinder_qt.h2
8 files changed, 23 insertions, 36 deletions
diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp
index 129aeb0b..b933ab21 100644
--- a/src/qcam/main_window.cpp
+++ b/src/qcam/main_window.cpp
@@ -7,10 +7,9 @@
#include "main_window.h"
+#include <assert.h>
#include <iomanip>
#include <string>
-#include <sys/mman.h>
-#include <unistd.h>
#include <QComboBox>
#include <QCoreApplication>
@@ -29,6 +28,7 @@
#include <libcamera/camera_manager.h>
#include <libcamera/version.h>
+#include "../cam/image.h"
#include "dng_writer.h"
#ifndef QT_NO_OPENGL
#include "viewfinder_gl.h"
@@ -473,15 +473,10 @@ int MainWindow::startCapture()
for (const std::unique_ptr<FrameBuffer> &buffer : allocator_->buffers(stream)) {
/* Map memory buffers and cache the mappings. */
- const FrameBuffer::Plane &plane = buffer->planes().front();
- size_t length = lseek(plane.fd.fd(), 0, SEEK_END);
- void *memory = mmap(NULL, length, PROT_READ, MAP_SHARED,
- plane.fd.fd(), 0);
-
- mappedBuffers_[buffer.get()] = { static_cast<uint8_t *>(memory),
- plane.length };
- planeData_[buffer.get()] = { static_cast<uint8_t *>(memory) + plane.offset,
- plane.length };
+ std::unique_ptr<Image> image =
+ Image::fromFrameBuffer(buffer.get(), Image::MapMode::ReadOnly);
+ assert(image != nullptr);
+ mappedBuffers_[buffer.get()] = std::move(image);
/* Store buffers on the free list. */
freeBuffers_[stream].enqueue(buffer.get());
@@ -543,12 +538,7 @@ error_disconnect:
error:
requests_.clear();
- for (auto &iter : mappedBuffers_) {
- const Span<uint8_t> &buffer = iter.second;
- munmap(buffer.data(), buffer.size());
- }
mappedBuffers_.clear();
- planeData_.clear();
freeBuffers_.clear();
@@ -580,12 +570,7 @@ void MainWindow::stopCapture()
camera_->requestCompleted.disconnect(this);
- for (auto &iter : mappedBuffers_) {
- const Span<uint8_t> &buffer = iter.second;
- munmap(buffer.data(), buffer.size());
- }
mappedBuffers_.clear();
- planeData_.clear();
requests_.clear();
freeQueue_.clear();
@@ -682,7 +667,7 @@ void MainWindow::processRaw(FrameBuffer *buffer,
"DNG Files (*.dng)");
if (!filename.isEmpty()) {
- uint8_t *memory = planeData_[buffer].data();
+ uint8_t *memory = mappedBuffers_[buffer]->data(0).data();
DNGWriter::write(filename.toStdString().c_str(), camera_.get(),
rawStream_->configuration(), metadata, buffer,
memory);
@@ -766,7 +751,7 @@ void MainWindow::processViewfinder(FrameBuffer *buffer)
<< "fps:" << Qt::fixed << qSetRealNumberPrecision(2) << fps;
/* Render the frame on the viewfinder. */
- viewfinder_->render(buffer, planeData_[buffer]);
+ viewfinder_->render(buffer, mappedBuffers_[buffer].get());
}
void MainWindow::queueRequest(FrameBuffer *buffer)
diff --git a/src/qcam/main_window.h b/src/qcam/main_window.h
index 28244bca..a16bea09 100644
--- a/src/qcam/main_window.h
+++ b/src/qcam/main_window.h
@@ -34,6 +34,7 @@ using namespace libcamera;
class QAction;
class QComboBox;
+class Image;
class HotplugEvent;
enum {
@@ -106,8 +107,7 @@ private:
FrameBufferAllocator *allocator_;
std::unique_ptr<CameraConfiguration> config_;
- std::map<FrameBuffer *, Span<uint8_t>> mappedBuffers_;
- std::map<FrameBuffer *, Span<uint8_t>> planeData_;
+ std::map<FrameBuffer *, std::unique_ptr<Image>> mappedBuffers_;
/* Capture state, buffers queue and statistics */
bool isCapturing_;
diff --git a/src/qcam/meson.build b/src/qcam/meson.build
index 7d3621c9..c46f4631 100644
--- a/src/qcam/meson.build
+++ b/src/qcam/meson.build
@@ -15,6 +15,7 @@ endif
qcam_enabled = true
qcam_sources = files([
+ '../cam/image.cpp',
'../cam/options.cpp',
'../cam/stream_options.cpp',
'format_converter.cpp',
diff --git a/src/qcam/viewfinder.h b/src/qcam/viewfinder.h
index 42d40f1f..fb462835 100644
--- a/src/qcam/viewfinder.h
+++ b/src/qcam/viewfinder.h
@@ -11,11 +11,11 @@
#include <QList>
#include <QSize>
-#include <libcamera/base/span.h>
-
#include <libcamera/formats.h>
#include <libcamera/framebuffer.h>
+class Image;
+
class ViewFinder
{
public:
@@ -24,7 +24,7 @@ public:
virtual const QList<libcamera::PixelFormat> &nativeFormats() const = 0;
virtual int setFormat(const libcamera::PixelFormat &format, const QSize &size) = 0;
- virtual void render(libcamera::FrameBuffer *buffer, libcamera::Span<uint8_t> mem) = 0;
+ virtual void render(libcamera::FrameBuffer *buffer, Image *image) = 0;
virtual void stop() = 0;
virtual QImage getCurrentImage() = 0;
diff --git a/src/qcam/viewfinder_gl.cpp b/src/qcam/viewfinder_gl.cpp
index d2ef0369..87e4fe03 100644
--- a/src/qcam/viewfinder_gl.cpp
+++ b/src/qcam/viewfinder_gl.cpp
@@ -13,6 +13,8 @@
#include <libcamera/formats.h>
+#include "../cam/image.h"
+
static const QList<libcamera::PixelFormat> supportedFormats{
/* YUV - packed (single plane) */
libcamera::formats::UYVY,
@@ -110,8 +112,7 @@ QImage ViewFinderGL::getCurrentImage()
return grabFramebuffer();
}
-void ViewFinderGL::render(libcamera::FrameBuffer *buffer,
- libcamera::Span<uint8_t> mem)
+void ViewFinderGL::render(libcamera::FrameBuffer *buffer, Image *image)
{
if (buffer->planes().size() != 1) {
qWarning() << "Multi-planar buffers are not supported";
@@ -121,7 +122,7 @@ void ViewFinderGL::render(libcamera::FrameBuffer *buffer,
if (buffer_)
renderComplete(buffer_);
- data_ = mem.data();
+ data_ = image->data(0).data();
/*
* \todo Get the stride from the buffer instead of computing it naively
*/
diff --git a/src/qcam/viewfinder_gl.h b/src/qcam/viewfinder_gl.h
index 3334549e..7cd8ef33 100644
--- a/src/qcam/viewfinder_gl.h
+++ b/src/qcam/viewfinder_gl.h
@@ -39,7 +39,7 @@ public:
const QList<libcamera::PixelFormat> &nativeFormats() const override;
int setFormat(const libcamera::PixelFormat &format, const QSize &size) override;
- void render(libcamera::FrameBuffer *buffer, libcamera::Span<uint8_t> mem) override;
+ void render(libcamera::FrameBuffer *buffer, Image *image) override;
void stop() override;
QImage getCurrentImage() override;
diff --git a/src/qcam/viewfinder_qt.cpp b/src/qcam/viewfinder_qt.cpp
index a0bf99b0..fef6d53e 100644
--- a/src/qcam/viewfinder_qt.cpp
+++ b/src/qcam/viewfinder_qt.cpp
@@ -19,6 +19,7 @@
#include <libcamera/formats.h>
+#include "../cam/image.h"
#include "format_converter.h"
static const QMap<libcamera::PixelFormat, QImage::Format> nativeFormats
@@ -78,15 +79,14 @@ int ViewFinderQt::setFormat(const libcamera::PixelFormat &format,
return 0;
}
-void ViewFinderQt::render(libcamera::FrameBuffer *buffer,
- libcamera::Span<uint8_t> mem)
+void ViewFinderQt::render(libcamera::FrameBuffer *buffer, Image *image)
{
if (buffer->planes().size() != 1) {
qWarning() << "Multi-planar buffers are not supported";
return;
}
- unsigned char *memory = mem.data();
+ unsigned char *memory = image->data(0).data();
size_t size = buffer->metadata().planes()[0].bytesused;
{
diff --git a/src/qcam/viewfinder_qt.h b/src/qcam/viewfinder_qt.h
index 1a569b9c..6b48ef48 100644
--- a/src/qcam/viewfinder_qt.h
+++ b/src/qcam/viewfinder_qt.h
@@ -32,7 +32,7 @@ public:
const QList<libcamera::PixelFormat> &nativeFormats() const override;
int setFormat(const libcamera::PixelFormat &format, const QSize &size) override;
- void render(libcamera::FrameBuffer *buffer, libcamera::Span<uint8_t> mem) override;
+ void render(libcamera::FrameBuffer *buffer, Image *image) override;
void stop() override;
QImage getCurrentImage() override;
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-01 07:37:54 +0000