avcodec/mpeg12dec: do not fail on invalid frame_rate_index

Fixes Ticket4073 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 0f8908aa1b
parent 88b4c1a731
commit 0f8908aa1b
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@ -2123,7 +2123,7 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
    s->frame_rate_index = get_bits(&s->gb, 4);
    if (s->frame_rate_index == 0 || s->frame_rate_index > 13) {
        av_log(avctx, AV_LOG_WARNING, "frame_rate_index %d is invalid\n", s->frame_rate_index);
-        return -1;
+        s->frame_rate_index = 1;
    }
    s->bit_rate = get_bits(&s->gb, 18) * 400;
    if (get_bits1(&s->gb) == 0) { /* marker */