jordan/camera-streamer
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Make libcamera to work?

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This commit is contained in:
Kamil Trzcinski
2022-04-11 10:51:05 +02:00
parent a08904688e
commit aa0f7276bf
3 changed files with 84 additions and 4 deletions
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20
device/libcamera/buffer_list.cc
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@ -15,9 +15,18 @@ int libcamera_buffer_list_open(buffer_list_t *buf_list, unsigned width, unsigned
}
buf_list->libcamera = new buffer_list_libcamera_t{};
buf_list->libcamera->buf_list = buf_list;
buf_list->libcamera->fds[0] = -1;
buf_list->libcamera->fds[1] = -1;
if (pipe2(buf_list->libcamera->fds, O_DIRECT|O_CLOEXEC) < 0) {
E_LOG_INFO(buf_list, "Cannot open `pipe2`.");
return -1;
}
buf_list->libcamera->configuration = buf_list->dev->libcamera->camera->generateConfiguration(
{ libcamera::StreamRole::Viewfinder });
auto &configuration = buf_list->libcamera->configuration->at(0);
configuration.size = libcamera::Size(width, height);
configuration.pixelFormat = libcamera::PixelFormat(format);
@ -64,6 +73,9 @@ error:
void libcamera_buffer_list_close(buffer_list_t *buf_list)
{
if (buf_list->libcamera) {
close(buf_list->libcamera->fds[0]);
close(buf_list->libcamera->fds[1]);
delete buf_list->libcamera;
buf_list->libcamera = NULL;
}
@ -72,10 +84,16 @@ void libcamera_buffer_list_close(buffer_list_t *buf_list)
int libcamera_buffer_list_set_stream(buffer_list_t *buf_list, bool do_on)
{
if (do_on) {
buf_list->dev->libcamera->camera->requestCompleted.connect(
buf_list->libcamera, &buffer_list_libcamera_t::libcamera_buffer_list_dequeued);
if (buf_list->dev->libcamera->camera->start() < 0) {
E_LOG_ERROR(buf_list, "Failed to start camera.");
}
} else {
buf_list->dev->libcamera->camera->requestCompleted.disconnect(
buf_list->libcamera, &buffer_list_libcamera_t::libcamera_buffer_list_dequeued);
if (buf_list->dev->libcamera->camera->stop() < 0) {
E_LOG_ERROR(buf_list, "Failed to stop camera.");
}