Use v4l2 input format automatically if filename starts with "/dev/video"

[ffmpeg] / libavdevice / fbdev_common.c

diff --git a/libavdevice/fbdev_common.c b/libavdevice/fbdev_common.c
index 634780d58809eb717205ae946a0f18450b2cdafd..713e4fdeab4cc4af811f810c43a53417db325db8 100644 (file)
--- a/libavdevice/fbdev_common.c
+++ b/libavdevice/fbdev_common.c
@@ -84,8 +84,13 @@ int ff_fbdev_get_device_list(AVDeviceInfoList *device_list)
     for (i = 0; i <= 31; i++) {
         snprintf(device_file, sizeof(device_file), "/dev/fb%d", i);
 
-        if ((fd = avpriv_open(device_file, O_RDWR)) < 0)
+        if ((fd = avpriv_open(device_file, O_RDWR)) < 0) {
+            int err = AVERROR(errno);
+            if (err != AVERROR(ENOENT))
+                av_log(NULL, AV_LOG_ERROR, "Could not open framebuffer device '%s': %s\n",
+                       device_file, av_err2str(err));
             continue;
+        }
         if (ioctl(fd, FBIOGET_VSCREENINFO, &varinfo) == -1)
             goto fail_device;
         if (ioctl(fd, FBIOGET_FSCREENINFO, &fixinfo) == -1)