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

8 years ago · 9d5141d1fb
parent 75bd4ea024
commit 9d5141d1fb
1 changed files with 1 additions and 0 deletions
--- 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);