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avdevice/v4l2: Try to fix build on netbsd/openbsd 

Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-09 00:27:00 +02:00
parent 28f20d2ff4
commit d1d8ee5e91
1 changed files with 4 additions and 1 deletions
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5
libavdevice/v4l2.c
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@ -521,12 +521,15 @@ static int mmap_read_frame(AVFormatContext *ctx, AVPacket *pkt)
// always keep at least one buffer queued
av_assert0(avpriv_atomic_int_get(&s->buffers_queued) >= 1);
#ifdef V4L2_BUF_FLAG_ERROR
if (buf.flags & V4L2_BUF_FLAG_ERROR) {
av_log(ctx, AV_LOG_WARNING,
"Dequeued v4l2 buffer contains corrupted data (%d bytes).\n",
buf.bytesused);
buf.bytesused = 0;
} else {
} else
#endif
{
/* CPIA is a compressed format and we don't know the exact number of bytes
* used by a frame, so set it here as the driver announces it. */
if (ctx->video_codec_id == AV_CODEC_ID_CPIA)