lavd/v4l2: Avoid setting frame_size to a negative value.

9d5141d1 · Carl Eugen Hoyos · 75bd4ea0 · 9d5141d1
Commit 9d5141d1 authored Dec 10, 2016 by Carl Eugen Hoyos
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v4l2.c libavdevice/v4l2.c +1 -0

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--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -936,6 +936,7 @@ static int v4l2_read_header(AVFormatContext *ctx)
        goto fail;
    st->codecpar->format = ff_fmt_v4l2ff(desired_format, codec_id);
+    if (st->codecpar->format != AV_PIX_FMT_NONE)
    s->frame_size = av_image_get_buffer_size(st->codecpar->format,
                                             s->width, s->height, 1);