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-rw-r--r--src/v4l2/v4l2_camera.cpp12
-rw-r--r--src/v4l2/v4l2_camera.h8
-rw-r--r--src/v4l2/v4l2_camera_proxy.cpp27
-rw-r--r--src/v4l2/v4l2_camera_proxy.h1
-rw-r--r--src/v4l2/v4l2_compat.cpp76
-rw-r--r--src/v4l2/v4l2_compat_manager.cpp1
6 files changed, 96 insertions, 29 deletions
diff --git a/src/v4l2/v4l2_camera.cpp b/src/v4l2/v4l2_camera.cpp
index 0f3b862f..94d138cd 100644
--- a/src/v4l2/v4l2_camera.cpp
+++ b/src/v4l2/v4l2_camera.cpp
@@ -12,13 +12,15 @@
#include <libcamera/base/log.h>
+#include <libcamera/control_ids.h>
+
using namespace libcamera;
LOG_DECLARE_CATEGORY(V4L2Compat)
V4L2Camera::V4L2Camera(std::shared_ptr<Camera> camera)
- : camera_(camera), isRunning_(false), bufferAllocator_(nullptr),
- efd_(-1), bufferAvailableCount_(0)
+ : camera_(camera), controls_(controls::controls), isRunning_(false),
+ bufferAllocator_(nullptr), efd_(-1), bufferAvailableCount_(0)
{
camera_->requestCompleted.connect(this, &V4L2Camera::requestComplete);
}
@@ -202,10 +204,12 @@ int V4L2Camera::streamOn()
if (isRunning_)
return 0;
- int ret = camera_->start();
+ int ret = camera_->start(&controls_);
if (ret < 0)
return ret == -EACCES ? -EBUSY : ret;
+ controls_.clear();
+
isRunning_ = true;
for (Request *req : pendingRequests_) {
@@ -265,6 +269,8 @@ int V4L2Camera::qbuf(unsigned int index)
return 0;
}
+ request->controls().merge(std::move(controls_));
+
ret = camera_->queueRequest(request);
if (ret < 0) {
LOG(V4L2Compat, Error) << "Can't queue request";
diff --git a/src/v4l2/v4l2_camera.h b/src/v4l2/v4l2_camera.h
index 278cc33e..e54371fb 100644
--- a/src/v4l2/v4l2_camera.h
+++ b/src/v4l2/v4l2_camera.h
@@ -8,13 +8,15 @@
#pragma once
#include <deque>
-#include <utility>
+#include <memory>
+#include <vector>
#include <libcamera/base/mutex.h>
#include <libcamera/base/semaphore.h>
#include <libcamera/base/shared_fd.h>
#include <libcamera/camera.h>
+#include <libcamera/controls.h>
#include <libcamera/framebuffer.h>
#include <libcamera/framebuffer_allocator.h>
@@ -49,6 +51,8 @@ public:
const libcamera::Size &size,
libcamera::StreamConfiguration *streamConfigOut);
+ libcamera::ControlList &controls() { return controls_; }
+
int allocBuffers(unsigned int count);
void freeBuffers();
int getBufferFd(unsigned int index);
@@ -70,6 +74,8 @@ private:
std::shared_ptr<libcamera::Camera> camera_;
std::unique_ptr<libcamera::CameraConfiguration> config_;
+ libcamera::ControlList controls_;
+
bool isRunning_;
libcamera::Mutex bufferLock_;
diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp
index 3f7c00a2..5ac8df4c 100644
--- a/src/v4l2/v4l2_camera_proxy.cpp
+++ b/src/v4l2/v4l2_camera_proxy.cpp
@@ -8,7 +8,6 @@
#include "v4l2_camera_proxy.h"
#include <algorithm>
-#include <array>
#include <errno.h>
#include <numeric>
#include <set>
@@ -23,9 +22,11 @@
#include <libcamera/base/utils.h>
#include <libcamera/camera.h>
+#include <libcamera/control_ids.h>
+#include <libcamera/controls.h>
#include <libcamera/formats.h>
-#include "libcamera/internal/formats.h"
+#include "libcamera/internal/v4l2_pixelformat.h"
#include "v4l2_camera.h"
#include "v4l2_camera_file.h"
@@ -34,6 +35,7 @@
#define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
using namespace libcamera;
+using namespace std::literals::chrono_literals;
LOG_DECLARE_CATEGORY(V4L2Compat)
@@ -756,6 +758,23 @@ int V4L2CameraProxy::vidioc_streamoff(V4L2CameraFile *file, int *arg)
return ret;
}
+int V4L2CameraProxy::vidioc_s_parm(V4L2CameraFile *file, struct v4l2_streamparm *arg)
+{
+ LOG(V4L2Compat, Debug)
+ << "[" << file->description() << "] " << __func__ << "()";
+
+ if (!validateBufferType(arg->type))
+ return -EINVAL;
+
+ struct v4l2_fract *timeperframe = &arg->parm.capture.timeperframe;
+ utils::Duration frameDuration = 1.0s * timeperframe->numerator / timeperframe->denominator;
+
+ int64_t uDuration = frameDuration.get<std::micro>();
+ vcam_->controls().set(controls::FrameDurationLimits, { uDuration, uDuration });
+
+ return 0;
+}
+
const std::set<unsigned long> V4L2CameraProxy::supportedIoctls_ = {
VIDIOC_QUERYCAP,
VIDIOC_ENUM_FRAMESIZES,
@@ -776,6 +795,7 @@ const std::set<unsigned long> V4L2CameraProxy::supportedIoctls_ = {
VIDIOC_EXPBUF,
VIDIOC_STREAMON,
VIDIOC_STREAMOFF,
+ VIDIOC_S_PARM,
};
int V4L2CameraProxy::ioctl(V4L2CameraFile *file, unsigned long longRequest, void *arg)
@@ -863,6 +883,9 @@ int V4L2CameraProxy::ioctl(V4L2CameraFile *file, unsigned long longRequest, void
case VIDIOC_STREAMOFF:
ret = vidioc_streamoff(file, static_cast<int *>(arg));
break;
+ case VIDIOC_S_PARM:
+ ret = vidioc_s_parm(file, static_cast<struct v4l2_streamparm *>(arg));
+ break;
default:
ret = -ENOTTY;
break;
diff --git a/src/v4l2/v4l2_camera_proxy.h b/src/v4l2/v4l2_camera_proxy.h
index 3d8784df..c957db53 100644
--- a/src/v4l2/v4l2_camera_proxy.h
+++ b/src/v4l2/v4l2_camera_proxy.h
@@ -67,6 +67,7 @@ private:
int vidioc_expbuf(V4L2CameraFile *file, struct v4l2_exportbuffer *arg);
int vidioc_streamon(V4L2CameraFile *file, int *arg);
int vidioc_streamoff(V4L2CameraFile *file, int *arg);
+ int vidioc_s_parm(V4L2CameraFile *file, struct v4l2_streamparm *arg);
bool hasOwnership(V4L2CameraFile *file);
int acquire(V4L2CameraFile *file);
diff --git a/src/v4l2/v4l2_compat.cpp b/src/v4l2/v4l2_compat.cpp
index 8a44403e..ff833f57 100644
--- a/src/v4l2/v4l2_compat.cpp
+++ b/src/v4l2/v4l2_compat.cpp
@@ -7,12 +7,14 @@
#include "v4l2_compat_manager.h"
-#include <errno.h>
+#include <assert.h>
#include <fcntl.h>
#include <stdarg.h>
+#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <unistd.h>
#include <libcamera/base/utils.h>
@@ -28,71 +30,97 @@ using namespace libcamera;
va_end(ap); \
}
+namespace {
+
+/*
+ * Determine if the flags require a further mode arguments that needs to be
+ * parsed from va_args.
+ */
+bool needs_mode(int flags)
+{
+ return (flags & O_CREAT) || ((flags & O_TMPFILE) == O_TMPFILE);
+}
+
+} /* namespace */
+
extern "C" {
LIBCAMERA_PUBLIC int open(const char *path, int oflag, ...)
{
mode_t mode = 0;
- if (oflag & O_CREAT || oflag & O_TMPFILE)
+ if (needs_mode(oflag))
extract_va_arg(mode_t, mode, oflag);
return V4L2CompatManager::instance()->openat(AT_FDCWD, path,
oflag, mode);
}
-/* _FORTIFY_SOURCE redirects open to __open_2 */
-LIBCAMERA_PUBLIC int __open_2(const char *path, int oflag)
-{
- return open(path, oflag);
-}
-
#ifndef open64
LIBCAMERA_PUBLIC int open64(const char *path, int oflag, ...)
{
mode_t mode = 0;
- if (oflag & O_CREAT || oflag & O_TMPFILE)
+ if (needs_mode(oflag))
extract_va_arg(mode_t, mode, oflag);
return V4L2CompatManager::instance()->openat(AT_FDCWD, path,
oflag | O_LARGEFILE, mode);
}
-
-LIBCAMERA_PUBLIC int __open64_2(const char *path, int oflag)
-{
- return open64(path, oflag);
-}
#endif
LIBCAMERA_PUBLIC int openat(int dirfd, const char *path, int oflag, ...)
{
mode_t mode = 0;
- if (oflag & O_CREAT || oflag & O_TMPFILE)
+ if (needs_mode(oflag))
extract_va_arg(mode_t, mode, oflag);
return V4L2CompatManager::instance()->openat(dirfd, path, oflag, mode);
}
-LIBCAMERA_PUBLIC int __openat_2(int dirfd, const char *path, int oflag)
-{
- return openat(dirfd, path, oflag);
-}
-
#ifndef openat64
LIBCAMERA_PUBLIC int openat64(int dirfd, const char *path, int oflag, ...)
{
mode_t mode = 0;
- if (oflag & O_CREAT || oflag & O_TMPFILE)
+ if (needs_mode(oflag))
extract_va_arg(mode_t, mode, oflag);
return V4L2CompatManager::instance()->openat(dirfd, path,
oflag | O_LARGEFILE, mode);
}
+#endif
+
+/*
+ * _FORTIFY_SOURCE redirects open* to __open*_2. Disable the
+ * -Wmissing-declarations warnings, as the functions won't be declared if
+ * _FORTIFY_SOURCE is not in use.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-declarations"
+
+LIBCAMERA_PUBLIC int __open_2(const char *path, int oflag)
+{
+ assert(!needs_mode(oflag));
+ return open(path, oflag);
+}
+
+LIBCAMERA_PUBLIC int __open64_2(const char *path, int oflag)
+{
+ assert(!needs_mode(oflag));
+ return open64(path, oflag);
+}
+
+LIBCAMERA_PUBLIC int __openat_2(int dirfd, const char *path, int oflag)
+{
+ assert(!needs_mode(oflag));
+ return openat(dirfd, path, oflag);
+}
LIBCAMERA_PUBLIC int __openat64_2(int dirfd, const char *path, int oflag)
{
+ assert(!needs_mode(oflag));
return openat64(dirfd, path, oflag);
}
-#endif
+
+#pragma GCC diagnostic pop
LIBCAMERA_PUBLIC int dup(int oldfd)
{
@@ -125,7 +153,11 @@ LIBCAMERA_PUBLIC int munmap(void *addr, size_t length)
return V4L2CompatManager::instance()->munmap(addr, length);
}
+#if HAVE_POSIX_IOCTL
+LIBCAMERA_PUBLIC int ioctl(int fd, int request, ...)
+#else
LIBCAMERA_PUBLIC int ioctl(int fd, unsigned long request, ...)
+#endif
{
void *arg;
extract_va_arg(void *, arg, request);
diff --git a/src/v4l2/v4l2_compat_manager.cpp b/src/v4l2/v4l2_compat_manager.cpp
index 6a00afb5..f53fb300 100644
--- a/src/v4l2/v4l2_compat_manager.cpp
+++ b/src/v4l2/v4l2_compat_manager.cpp
@@ -10,7 +10,6 @@
#include <dlfcn.h>
#include <fcntl.h>
#include <map>
-#include <stdarg.h>
#include <string.h>
#include <sys/eventfd.h>
#include <sys/mman.h>
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 06:42:34 +0000