From: Huzaifa Sidhpurwala <huzaifas@fedora-12.(none)>
Move VIDIOCGFBUF into libv4l1
Signed-off-by: Huzaifa Sidhpurwala <huzaifas@xxxxxxxxxx>
---
lib/libv4l1/libv4l1.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/lib/libv4l1/libv4l1.c b/lib/libv4l1/libv4l1.c
index e13feba..5b2dc29 100644
--- a/lib/libv4l1/libv4l1.c
+++ b/lib/libv4l1/libv4l1.c
@@ -804,6 +804,51 @@ int v4l1_ioctl(int fd, unsigned long int request, ...)
break;
}
+ case VIDIOCGFBUF: {
+ struct video_buffer *buffer = arg;
+ struct v4l2_framebuffer fbuf = { 0, };
+
+ result = v4l2_ioctl(fd, VIDIOC_G_FBUF, buffer);
+ if (result < 0)
+ break;
+
+ buffer->base = fbuf.base;
+ buffer->height = fbuf.fmt.height;
+ buffer->width = fbuf.fmt.width;
+
+ switch (fbuf.fmt.pixelformat) {
+ case V4L2_PIX_FMT_RGB332:
+ buffer->depth = 8;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ buffer->depth = 15;
+ break;
+ case V4L2_PIX_FMT_RGB565:
+ buffer->depth = 16;
+ break;
+ case V4L2_PIX_FMT_BGR24:
+ buffer->depth = 24;
+ break;
+ case V4L2_PIX_FMT_BGR32:
+ buffer->depth = 32;
+ break;
+ default:
+ buffer->depth = 0;
+ }
+
+ if (fbuf.fmt.bytesperline) {
+ buffer->bytesperline = fbuf.fmt.bytesperline;
+ if (!buffer->depth && buffer->width)
+ buffer->depth = ((fbuf.fmt.bytesperline<<3)
+ + (buffer->width-1))
+ / buffer->width;
+ } else {
+ buffer->bytesperline =
+ (buffer->width * buffer->depth + 7) & 7;
+ buffer->bytesperline >>= 3;
+ }
+ }
+
default:
/* Pass through libv4l2 for applications which are using v4l2 through
libv4l1 (this can happen with the v4l1compat.so wrapper preloaded */
--
1.6.6.1
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