X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavdevice%2Fv4l2.c;h=365bacd7714b64821560bfde2fac2e963d9153d3;hb=45fc214ebfcdf36b935632edda54aee9e8745550;hp=1b9c6e760b419247ba95df33828012f45164acef;hpb=b2f32d60eeaf883bb7d9e1b8cc2fb9a983d08f72;p=ffmpeg

diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 1b9c6e760b4..365bacd7714 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -538,11 +538,10 @@ static int mmap_read_frame(AVFormatContext *ctx, AVPacket *pkt)
             s->frame_size = buf.bytesused;
 
         if (s->frame_size > 0 && buf.bytesused != s->frame_size) {
-            av_log(ctx, AV_LOG_ERROR,
+            av_log(ctx, AV_LOG_WARNING,
                    "Dequeued v4l2 buffer contains %d bytes, but %d were expected. Flags: 0x%08X.\n",
                    buf.bytesused, s->frame_size, buf.flags);
-            enqueue_buffer(s, &buf);
-            return AVERROR_INVALIDDATA;
+            buf.bytesused = 0;
         }
     }
 
@@ -812,11 +811,12 @@ static int device_try_init(AVFormatContext *ctx,
     }
 
     *codec_id = ff_fmt_v4l2codec(*desired_format);
-    av_assert0(*codec_id != AV_CODEC_ID_NONE);
+    if (*codec_id == AV_CODEC_ID_NONE)
+        av_assert0(ret == AVERROR(EINVAL));
     return ret;
 }
 
-static int v4l2_read_probe(AVProbeData *p)
+static int v4l2_read_probe(const AVProbeData *p)
 {
     if (av_strstart(p->filename, "/dev/video", NULL))
         return AVPROBE_SCORE_MAX - 1;