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libcamera: dynamically add new configurations

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device: add `buffer_type_t`
This commit is contained in:
Kamil Trzcinski 2023-02-23 11:15:50 +01:00
parent 21ce78a277
commit 23491cef49
4 changed files with 39 additions and 6 deletions
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9
device/buffer_list.h
View File

@ -7,10 +7,19 @@ typedef struct buffer_s buffer_t;
typedef struct device_s device_t;
struct pollfd;
typedef enum {
BUFFER_TYPE_DEFAULT = 0,
BUFFER_TYPE_RAW = 1,
BUFFER_TYPE_IMAGE = 2,
BUFFER_TYPE_VIDEO = 3
} buffer_type_t;
typedef struct buffer_format_s {
unsigned width, height, format, bytesperline, sizeimage;
unsigned nbufs;
unsigned interval_us;
buffer_type_t type;
} buffer_format_t;
typedef struct buffer_list_s {

6
device/camera/camera_input.c
View File

@ -61,7 +61,8 @@ static int camera_configure_input_libcamera(camera_t *camera)
buffer_format_t raw_fmt = {
.width = camera->options.width,
.height = camera->options.height,
.nbufs = camera->options.nbufs
.nbufs = camera->options.nbufs,
.type = BUFFER_TYPE_RAW
};
buffer_list_t *raw_capture = device_open_buffer_list(camera->camera, true, raw_fmt, true);
@ -86,7 +87,8 @@ static int camera_configure_input_libcamera(camera_t *camera)
.width = target_width,
.height = target_height,
.format = camera->options.format,
.nbufs = camera->options.nbufs
.nbufs = camera->options.nbufs,
.type = BUFFER_TYPE_IMAGE
};
buffer_list_t *camera_capture = device_open_buffer_list(camera->camera, true, capture_fmt, true);

27
device/libcamera/buffer_list.cc
View File

@ -56,12 +56,35 @@ int libcamera_buffer_list_open(buffer_list_t *buf_list)
return -1;
}
if (buf_list->index >= (int)buf_list->dev->libcamera->configuration->size()) {
auto &configurations = buf_list->dev->libcamera->configuration;
// add new configuration based on a buffer
{
libcamera::StreamRole role = libcamera::StreamRole::StillCapture;
switch(buf_list->fmt.type) {
case BUFFER_TYPE_RAW:
role = libcamera::StreamRole::Raw;
break;
case BUFFER_TYPE_VIDEO:
role = libcamera::StreamRole::VideoRecording;
break;
default:
role = libcamera::StreamRole::StillCapture;
break;
}
auto newConfigurations = buf_list->dev->libcamera->camera->generateConfiguration({ role });
configurations->addConfiguration(newConfigurations->at(0));
}
if (buf_list->index >= (int)configurations->size()) {
LOG_INFO(buf_list, "Not enough configurations.");
return -1;
}
auto &configurations = buf_list->dev->libcamera->configuration;
auto &configuration = configurations->at(buf_list->index);
configuration.size = libcamera::Size(buf_list->fmt.width, buf_list->fmt.height);
if (buf_list->fmt.format) {

3
device/libcamera/device.cc
View File

@ -101,8 +101,7 @@ int libcamera_device_open(device_t *dev)
LOG_ERROR(dev, "Failed to acquire `%s` camera.", dev->libcamera->camera->id().c_str());
}
dev->libcamera->configuration = dev->libcamera->camera->generateConfiguration(
{ libcamera::StreamRole::Raw, libcamera::StreamRole::StillCapture });
dev->libcamera->configuration = dev->libcamera->camera->generateConfiguration();
dev->libcamera->allocator = std::make_shared<libcamera::FrameBufferAllocator>(
dev->libcamera->camera);