More codestyle
This commit is contained in:
Martijn Braam
parent
5703ecc786
commit
4df62aa21e
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@ -6,180 +6,205 @@
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#include <string.h>
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#include <unistd.h>
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double get_time()
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double
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get_time()
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{
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struct timeval t;
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struct timezone tzp;
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gettimeofday(&t, &tzp);
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return t.tv_sec + t.tv_usec*1e-6;
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struct timeval t;
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struct timezone tzp;
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gettimeofday(&t, &tzp);
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return t.tv_sec + t.tv_usec * 1e-6;
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}
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void on_capture(MPImage image, void *user_data)
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void
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on_capture(MPImage image, void *user_data)
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{
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size_t num_bytes = mp_pixel_format_width_to_bytes(image.pixel_format, image.width) * image.height;
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uint8_t *data = malloc(num_bytes);
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memcpy(data, image.data, num_bytes);
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size_t num_bytes =
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mp_pixel_format_width_to_bytes(image.pixel_format, image.width) *
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image.height;
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uint8_t *data = malloc(num_bytes);
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memcpy(data, image.data, num_bytes);
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printf(" first byte: %d.", data[0]);
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printf(" first byte: %d.", data[0]);
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free(data);
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free(data);
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}
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int main(int argc, char *argv[])
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int
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main(int argc, char *argv[])
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{
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if (argc != 2 && argc != 3) {
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printf("Usage: %s <media_device_name> [<sub_device_name>]\n", argv[0]);
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return 1;
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}
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if (argc != 2 && argc != 3) {
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printf("Usage: %s <media_device_name> [<sub_device_name>]\n",
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argv[0]);
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return 1;
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}
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char *video_name = argv[1];
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char *subdev_name = NULL;
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if (argc == 3) {
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subdev_name = argv[2];
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}
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char *video_name = argv[1];
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char *subdev_name = NULL;
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if (argc == 3) {
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subdev_name = argv[2];
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}
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double find_start = get_time();
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double find_start = get_time();
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// First find the device
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MPDevice *device = mp_device_find(video_name);
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if (!device) {
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printf("Device not found\n");
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return 1;
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}
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// First find the device
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MPDevice *device = mp_device_find(video_name);
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if (!device) {
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printf("Device not found\n");
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return 1;
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}
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double find_end = get_time();
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double find_end = get_time();
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printf("Finding the device took %fms\n", (find_end - find_start) * 1000);
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printf("Finding the device took %fms\n", (find_end - find_start) * 1000);
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int video_fd;
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uint32_t video_entity_id;
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{
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const struct media_v2_entity *entity = mp_device_find_entity(device, video_name);
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if (!entity) {
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printf("Unable to find video device interface\n");
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return 1;
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}
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int video_fd;
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uint32_t video_entity_id;
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{
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const struct media_v2_entity *entity =
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mp_device_find_entity(device, video_name);
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if (!entity) {
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printf("Unable to find video device interface\n");
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return 1;
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}
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video_entity_id = entity->id;
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video_entity_id = entity->id;
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const struct media_v2_interface *iface = mp_device_find_entity_interface(device, video_entity_id);
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const struct media_v2_interface *iface =
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mp_device_find_entity_interface(device, video_entity_id);
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char buf[256];
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if (!mp_find_device_path(iface->devnode, buf, 256)) {
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printf("Unable to find video device path\n");
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return 1;
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}
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char buf[256];
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if (!mp_find_device_path(iface->devnode, buf, 256)) {
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printf("Unable to find video device path\n");
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return 1;
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}
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video_fd = open(buf, O_RDWR);
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if (video_fd == -1) {
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printf("Unable to open video device\n");
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return 1;
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}
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}
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video_fd = open(buf, O_RDWR);
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if (video_fd == -1) {
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printf("Unable to open video device\n");
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return 1;
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}
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}
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int subdev_fd = -1;
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if (subdev_name)
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{
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const struct media_v2_entity *entity = mp_device_find_entity(device, subdev_name);
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if (!entity) {
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printf("Unable to find sub-device\n");
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return 1;
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}
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int subdev_fd = -1;
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if (subdev_name) {
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const struct media_v2_entity *entity =
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mp_device_find_entity(device, subdev_name);
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if (!entity) {
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printf("Unable to find sub-device\n");
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return 1;
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}
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const struct media_v2_pad *source_pad = mp_device_get_pad_from_entity(device, entity->id);
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const struct media_v2_pad *sink_pad = mp_device_get_pad_from_entity(device, video_entity_id);
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const struct media_v2_pad *source_pad =
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mp_device_get_pad_from_entity(device, entity->id);
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const struct media_v2_pad *sink_pad =
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mp_device_get_pad_from_entity(device, video_entity_id);
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// Disable other links
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const struct media_v2_entity *entities = mp_device_get_entities(device);
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for (int i = 0; i < mp_device_get_num_entities(device); ++i) {
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if (entities[i].id != video_entity_id && entities[i].id != entity->id) {
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const struct media_v2_pad *pad = mp_device_get_pad_from_entity(device, entities[i].id);
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mp_device_setup_link(device, pad->id, sink_pad->id, false);
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}
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}
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// Disable other links
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const struct media_v2_entity *entities =
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mp_device_get_entities(device);
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for (int i = 0; i < mp_device_get_num_entities(device); ++i) {
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if (entities[i].id != video_entity_id &&
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entities[i].id != entity->id) {
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const struct media_v2_pad *pad =
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mp_device_get_pad_from_entity(
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device, entities[i].id);
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mp_device_setup_link(device, pad->id, sink_pad->id,
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false);
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}
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}
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// Then enable ours
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mp_device_setup_link(device, source_pad->id, sink_pad->id, true);
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// Then enable ours
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mp_device_setup_link(device, source_pad->id, sink_pad->id, true);
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const struct media_v2_interface *iface = mp_device_find_entity_interface(device, entity->id);
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const struct media_v2_interface *iface =
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mp_device_find_entity_interface(device, entity->id);
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char buf[256];
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if (!mp_find_device_path(iface->devnode, buf, 256)) {
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printf("Unable to find sub-device path\n");
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return 1;
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}
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char buf[256];
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if (!mp_find_device_path(iface->devnode, buf, 256)) {
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printf("Unable to find sub-device path\n");
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return 1;
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}
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subdev_fd = open(buf, O_RDWR);
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if (subdev_fd == -1) {
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printf("Unable to open sub-device\n");
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return 1;
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}
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}
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subdev_fd = open(buf, O_RDWR);
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if (subdev_fd == -1) {
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printf("Unable to open sub-device\n");
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return 1;
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}
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}
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double open_end = get_time();
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double open_end = get_time();
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printf("Opening the device took %fms\n", (open_end - find_end) * 1000);
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printf("Opening the device took %fms\n", (open_end - find_end) * 1000);
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MPCamera *camera = mp_camera_new(video_fd, subdev_fd);
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MPCamera *camera = mp_camera_new(video_fd, subdev_fd);
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MPControlList *controls = mp_camera_list_controls(camera);
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MPControlList *controls = mp_camera_list_controls(camera);
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double control_list_end = get_time();
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double control_list_end = get_time();
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printf("Available controls: (took %fms)\n", (control_list_end - open_end) * 1000);
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for (MPControlList *list = controls; list; list = mp_control_list_next(list)) {
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MPControl *c = mp_control_list_get(list);
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printf("Available controls: (took %fms)\n",
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(control_list_end - open_end) * 1000);
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for (MPControlList *list = controls; list;
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list = mp_control_list_next(list)) {
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MPControl *c = mp_control_list_get(list);
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printf(" %32s id:%s type:%s default:%d\n", c->name, mp_control_id_to_str(c->id), mp_control_type_to_str(c->type), c->default_value);
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}
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printf(" %32s id:%s type:%s default:%d\n", c->name,
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mp_control_id_to_str(c->id), mp_control_type_to_str(c->type),
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c->default_value);
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}
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double mode_list_begin = get_time();
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double mode_list_begin = get_time();
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MPCameraModeList *modes = mp_camera_list_available_modes(camera);
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MPCameraModeList *modes = mp_camera_list_available_modes(camera);
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double mode_list_end = get_time();
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double mode_list_end = get_time();
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printf("Available modes: (took %fms)\n", (mode_list_end - mode_list_begin) * 1000);
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for (MPCameraModeList *list = modes; list; list = mp_camera_mode_list_next(list)) {
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MPCameraMode *m = mp_camera_mode_list_get(list);
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printf(" %dx%d interval:%d/%d fmt:%s\n", m->width, m->height, m->frame_interval.numerator, m->frame_interval.denominator, mp_pixel_format_to_str(m->pixel_format));
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printf("Available modes: (took %fms)\n",
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(mode_list_end - mode_list_begin) * 1000);
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for (MPCameraModeList *list = modes; list;
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list = mp_camera_mode_list_next(list)) {
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MPCameraMode *m = mp_camera_mode_list_get(list);
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printf(" %dx%d interval:%d/%d fmt:%s\n", m->width, m->height,
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m->frame_interval.numerator, m->frame_interval.denominator,
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mp_pixel_format_to_str(m->pixel_format));
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// Skip really slow framerates
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if (m->frame_interval.denominator < 15) {
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printf(" Skipping…\n");
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continue;
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}
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// Skip really slow framerates
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if (m->frame_interval.denominator < 15) {
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printf(" Skipping…\n");
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continue;
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}
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double start_capture = get_time();
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double start_capture = get_time();
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mp_camera_set_mode(camera, m);
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mp_camera_start_capture(camera);
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mp_camera_set_mode(camera, m);
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mp_camera_start_capture(camera);
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double last = get_time();
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printf(" Testing 10 captures, starting took %fms\n", (last - start_capture) * 1000);
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double last = get_time();
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printf(" Testing 10 captures, starting took %fms\n",
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(last - start_capture) * 1000);
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for (int i = 0; i < 10; ++i) {
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mp_camera_capture_image(camera, on_capture, NULL);
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for (int i = 0; i < 10; ++i) {
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mp_camera_capture_image(camera, on_capture, NULL);
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double now = get_time();
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printf(" capture took %fms\n", (now - last) * 1000);
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last = now;
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}
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double now = get_time();
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printf(" capture took %fms\n", (now - last) * 1000);
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last = now;
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}
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mp_camera_stop_capture(camera);
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}
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mp_camera_stop_capture(camera);
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}
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double cleanup_start = get_time();
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double cleanup_start = get_time();
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mp_camera_free(camera);
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mp_camera_free(camera);
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close(video_fd);
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if (subdev_fd != -1)
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close(subdev_fd);
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close(video_fd);
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if (subdev_fd != -1)
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close(subdev_fd);
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mp_device_close(device);
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mp_device_close(device);
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double cleanup_end = get_time();
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double cleanup_end = get_time();
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printf("Cleanup took %fms\n", (cleanup_end - cleanup_start) * 1000);
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printf("Cleanup took %fms\n", (cleanup_end - cleanup_start) * 1000);
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}
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@ -2,50 +2,59 @@
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#include <linux/media.h>
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#include <stdio.h>
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int main(int argc, char *argv[]) {
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MPDeviceList *list = mp_device_list_new();
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int
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main(int argc, char *argv[])
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{
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MPDeviceList *list = mp_device_list_new();
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while (list) {
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MPDevice *device = mp_device_list_get(list);
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while (list) {
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MPDevice *device = mp_device_list_get(list);
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const struct media_device_info *info = mp_device_get_info(device);
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printf("%s (%s) %s\n", info->model, info->driver, info->serial);
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printf(" Bus Info: %s\n", info->bus_info);
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printf(" Media Version: %d\n", info->media_version);
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printf(" HW Revision: %d\n", info->hw_revision);
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printf(" Driver Version: %d\n", info->driver_version);
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const struct media_device_info *info = mp_device_get_info(device);
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printf("%s (%s) %s\n", info->model, info->driver, info->serial);
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printf(" Bus Info: %s\n", info->bus_info);
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printf(" Media Version: %d\n", info->media_version);
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printf(" HW Revision: %d\n", info->hw_revision);
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printf(" Driver Version: %d\n", info->driver_version);
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const struct media_v2_entity *entities =
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mp_device_get_entities(device);
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size_t num = mp_device_get_num_entities(device);
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printf(" Entities (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d %s (%d)\n", entities[i].id, entities[i].name,
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entities[i].function);
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}
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const struct media_v2_entity *entities = mp_device_get_entities(device);
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size_t num = mp_device_get_num_entities(device);
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printf(" Entities (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d %s (%d)\n", entities[i].id, entities[i].name, entities[i].function);
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}
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const struct media_v2_interface *interfaces =
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mp_device_get_interfaces(device);
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num = mp_device_get_num_interfaces(device);
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printf(" Interfaces (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d (%d - %d) devnode %d:%d\n", interfaces[i].id,
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interfaces[i].intf_type, interfaces[i].flags,
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interfaces[i].devnode.major,
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interfaces[i].devnode.minor);
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}
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const struct media_v2_interface *interfaces = mp_device_get_interfaces(device);
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num = mp_device_get_num_interfaces(device);
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printf(" Interfaces (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d (%d - %d) devnode %d:%d\n", interfaces[i].id, interfaces[i].intf_type, interfaces[i].flags, interfaces[i].devnode.major, interfaces[i].devnode.minor);
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}
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const struct media_v2_pad *pads = mp_device_get_pads(device);
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num = mp_device_get_num_pads(device);
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printf(" Pads (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d for device:%d (%d)\n", pads[i].id,
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pads[i].entity_id, pads[i].flags);
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}
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const struct media_v2_pad *pads = mp_device_get_pads(device);
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num = mp_device_get_num_pads(device);
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printf(" Pads (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d for device:%d (%d)\n", pads[i].id, pads[i].entity_id, pads[i].flags);
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}
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const struct media_v2_link *links = mp_device_get_links(device);
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num = mp_device_get_num_links(device);
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printf(" Links (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d from:%d to:%d (%d)\n", links[i].id,
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links[i].source_id, links[i].sink_id, links[i].flags);
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}
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const struct media_v2_link *links = mp_device_get_links(device);
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num = mp_device_get_num_links(device);
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printf(" Links (%ld):\n", num);
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for (int i = 0; i < num; ++i) {
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printf(" %d from:%d to:%d (%d)\n", links[i].id, links[i].source_id, links[i].sink_id, links[i].flags);
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}
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list = mp_device_list_next(list);
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}
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list = mp_device_list_next(list);
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}
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mp_device_list_free(list);
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mp_device_list_free(list);
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}
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