jordan/camera-streamer
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Make device to support composite devices (single output, many captures)

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This commit is contained in:
Kamil Trzcinski
2022-04-11 22:02:22 +02:00
parent d7c263bae9
commit 8dd470cb49
9 changed files with 40 additions and 29 deletions
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14
device/v4l2/buffer_list.c
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@ -15,6 +15,16 @@ int v4l2_buffer_list_open(buffer_list_t *buf_list)
return -1;
}
if (buf_list->path) {
buf_list->v4l2->dev_fd = open(buf_list->path, O_RDWR|O_NONBLOCK);
if (buf_list->v4l2->dev_fd < 0) {
LOG_ERROR(buf_list, "Can't open device: %s", buf_list->path);
return -1;
}
LOG_INFO(buf_list, "Device path=%s fd=%d opened", buf_list->path, buf_list->v4l2->dev_fd);
}
struct v4l2_capability v4l2_cap;
ERR_IOCTL(dev, buf_list->v4l2->dev_fd, VIDIOC_QUERYCAP, &v4l2_cap, "Can't query device capabilities");
@ -25,7 +35,7 @@ int v4l2_buffer_list_open(buffer_list_t *buf_list)
buf_list->v4l2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
buf_list->v4l2->do_mplanes = true;
} else {
LOG_ERROR(dev, "Video capture is not supported by device: %08x", v4l2_cap.capabilities);
LOG_ERROR(buf_list, "Video capture is not supported by device: %08x", v4l2_cap.capabilities);
}
} else {
if (v4l2_cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) {
@ -34,7 +44,7 @@ int v4l2_buffer_list_open(buffer_list_t *buf_list)
buf_list->v4l2->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
buf_list->v4l2->do_mplanes = true;
} else {
LOG_ERROR(dev, "Video output is not supported by device: %08x", v4l2_cap.capabilities);
LOG_ERROR(buf_list, "Video output is not supported by device: %08x", v4l2_cap.capabilities);
}
}