| Message ID | 20200202130428.27689-1-onemda@gmail.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [FFmpeg-devel,1/2] avformat/tty: make probing strict for first 8 bytes | expand |
| Context | Check | Description |
|---|---|---|
| andriy/ffmpeg-patchwork | success | Make fate finished |
diff --git a/libavformat/tty.c b/libavformat/tty.c index 60f7e9f87e..61e9f3e95c 100644 --- a/libavformat/tty.c +++ b/libavformat/tty.c @@ -53,7 +53,13 @@ static int read_probe(const AVProbeData *p) { int cnt = 0; - for (int i = 0; i < p->buf_size; i++) + for (int i = 0; i < 8 && i < p->buf_size; i++) + cnt += !!isansicode(p->buf[i]); + + if (cnt != 8) + return 0; + + for (int i = 8; i < p->buf_size; i++) cnt += !!isansicode(p->buf[i]); return (cnt * 100LL / p->buf_size) * (cnt > 400) *
Signed-off-by: Paul B Mahol <onemda@gmail.com> --- libavformat/tty.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)