diff options
Diffstat (limited to 'src/libcamera/v4l2_videodevice.cpp')
| -rw-r--r-- | src/libcamera/v4l2_videodevice.cpp | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp index a959cfe6..18a71e4f 100644 --- a/src/libcamera/v4l2_videodevice.cpp +++ b/src/libcamera/v4l2_videodevice.cpp @@ -544,7 +544,7 @@ const std::string V4L2DeviceFormat::toString() const * \param[in] deviceNode The file-system path to the video device node */ V4L2VideoDevice::V4L2VideoDevice(const std::string &deviceNode) - : V4L2Device(deviceNode), cache_(nullptr), fdEvent_(nullptr) + : V4L2Device(deviceNode), cache_(nullptr), fdBufferNotifier_(nullptr) { /* * We default to an MMAP based CAPTURE video device, however this will @@ -610,29 +610,32 @@ int V4L2VideoDevice::open() * devices (POLLIN), and write notifications for OUTPUT video devices * (POLLOUT). */ + EventNotifier::Type notifierType; + if (caps_.isVideoCapture()) { - fdEvent_ = new EventNotifier(fd(), EventNotifier::Read); + notifierType = EventNotifier::Read; bufferType_ = caps_.isMultiplanar() ? V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE : V4L2_BUF_TYPE_VIDEO_CAPTURE; } else if (caps_.isVideoOutput()) { - fdEvent_ = new EventNotifier(fd(), EventNotifier::Write); + notifierType = EventNotifier::Write; bufferType_ = caps_.isMultiplanar() ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : V4L2_BUF_TYPE_VIDEO_OUTPUT; } else if (caps_.isMetaCapture()) { - fdEvent_ = new EventNotifier(fd(), EventNotifier::Read); + notifierType = EventNotifier::Read; bufferType_ = V4L2_BUF_TYPE_META_CAPTURE; } else if (caps_.isMetaOutput()) { - fdEvent_ = new EventNotifier(fd(), EventNotifier::Write); + notifierType = EventNotifier::Write; bufferType_ = V4L2_BUF_TYPE_META_OUTPUT; } else { LOG(V4L2, Error) << "Device is not a supported type"; return -EINVAL; } - fdEvent_->activated.connect(this, &V4L2VideoDevice::bufferAvailable); - fdEvent_->setEnabled(false); + fdBufferNotifier_ = new EventNotifier(fd(), notifierType); + fdBufferNotifier_->activated.connect(this, &V4L2VideoDevice::bufferAvailable); + fdBufferNotifier_->setEnabled(false); LOG(V4L2, Debug) << "Opened device " << caps_.bus_info() << ": " @@ -699,15 +702,17 @@ int V4L2VideoDevice::open(int handle, enum v4l2_buf_type type) * devices (POLLIN), and write notifications for OUTPUT video devices * (POLLOUT). */ + EventNotifier::Type notifierType; + switch (type) { case V4L2_BUF_TYPE_VIDEO_OUTPUT: - fdEvent_ = new EventNotifier(fd(), EventNotifier::Write); + notifierType = EventNotifier::Write; bufferType_ = caps_.isMultiplanar() ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : V4L2_BUF_TYPE_VIDEO_OUTPUT; break; case V4L2_BUF_TYPE_VIDEO_CAPTURE: - fdEvent_ = new EventNotifier(fd(), EventNotifier::Read); + notifierType = EventNotifier::Read; bufferType_ = caps_.isMultiplanar() ? V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE : V4L2_BUF_TYPE_VIDEO_CAPTURE; @@ -717,8 +722,9 @@ int V4L2VideoDevice::open(int handle, enum v4l2_buf_type type) return -EINVAL; } - fdEvent_->activated.connect(this, &V4L2VideoDevice::bufferAvailable); - fdEvent_->setEnabled(false); + fdBufferNotifier_ = new EventNotifier(fd(), notifierType); + fdBufferNotifier_->activated.connect(this, &V4L2VideoDevice::bufferAvailable); + fdBufferNotifier_->setEnabled(false); LOG(V4L2, Debug) << "Opened device " << caps_.bus_info() << ": " @@ -736,7 +742,7 @@ void V4L2VideoDevice::close() return; releaseBuffers(); - delete fdEvent_; + delete fdBufferNotifier_; V4L2Device::close(); } @@ -1477,7 +1483,7 @@ int V4L2VideoDevice::queueBuffer(FrameBuffer *buffer) } if (queuedBuffers_.empty()) - fdEvent_->setEnabled(true); + fdBufferNotifier_->setEnabled(true); queuedBuffers_[buf.index] = buffer; @@ -1544,7 +1550,7 @@ FrameBuffer *V4L2VideoDevice::dequeueBuffer() queuedBuffers_.erase(it); if (queuedBuffers_.empty()) - fdEvent_->setEnabled(false); + fdBufferNotifier_->setEnabled(false); buffer->metadata_.status = buf.flags & V4L2_BUF_FLAG_ERROR ? FrameMetadata::FrameError @@ -1617,7 +1623,7 @@ int V4L2VideoDevice::streamOff() } queuedBuffers_.clear(); - fdEvent_->setEnabled(false); + fdBufferNotifier_->setEnabled(false); return 0; } |