From 58d3334b54c207b8e04e7035969e0c2acfa1ce73 Mon Sep 17 00:00:00 2001 From: "hans@rhel5-devel.localdomain" Date: Tue, 14 Apr 2009 15:03:07 +0200 Subject: libv4l: Only allow supported destination formats when doing processing From: Hans de Goede Only report / allow supported destination formats in enum_fmt / try_fmt / g_fmt / s_fmt when processing, rotating or flipping. Priority: normal Signed-off-by: Hans de Goede --- v4l2-apps/libv4l/libv4l1/libv4l1.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'v4l2-apps/libv4l/libv4l1') diff --git a/v4l2-apps/libv4l/libv4l1/libv4l1.c b/v4l2-apps/libv4l/libv4l1/libv4l1.c index 797c8768a..a7de0af8e 100644 --- a/v4l2-apps/libv4l/libv4l1/libv4l1.c +++ b/v4l2-apps/libv4l/libv4l1/libv4l1.c @@ -155,8 +155,10 @@ static int v4l1_set_format(int index, unsigned int width, /* Do we need to change the resolution / format ? */ if (width == devices[index].width && height == devices[index].height && - v4l2_pixfmt == devices[index].v4l2_pixfmt) + v4l2_pixfmt == devices[index].v4l2_pixfmt) { + devices[index].v4l1_pal = v4l1_pal; return 0; + } /* Get current settings, apply our changes and try the new setting */ if ((result = v4l2_ioctl(devices[index].fd, VIDIOC_G_FMT, &fmt2))) { @@ -308,19 +310,18 @@ int v4l1_open (const char *file, int oflag, ...) if (!v4l2_log_file) v4l2_log_file = v4l1_log_file; - /* Get initial width, height and pixelformat */ - fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - if (syscall(SYS_ioctl, fd, VIDIOC_G_FMT, &fmt2)) { + /* Register with libv4l2, as we use that todo format conversion and read() + emulation for us */ + if (v4l2_fd_open(fd, V4L2_ENABLE_ENUM_FMT_EMULATION) == -1) { int saved_err = errno; - V4L1_LOG_ERR("getting pixformat: %s\n", strerror(errno)); syscall(SYS_close, fd); errno = saved_err; return -1; } - /* Register with libv4l2, as we use that todo format conversion and read() - emulation for us */ - if (v4l2_fd_open(fd, V4L2_ENABLE_ENUM_FMT_EMULATION) == -1) { + /* Get initial width, height and pixelformat */ + fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (v4l2_ioctl(fd, VIDIOC_G_FMT, &fmt2)) { int saved_err = errno; syscall(SYS_close, fd); errno = saved_err; -- cgit v1.2.3