Fixes: CID1220824 Overflowed constant Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/tty.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/libavformat/tty.c b/libavformat/tty.c index 95b72005278..c3956ccf34e 100644 --- a/libavformat/tty.c +++ b/libavformat/tty.c @@ -123,13 +123,16 @@ static int read_header(AVFormatContext *avctx) s->chars_per_frame = FFMAX(av_q2d(st->time_base)*s->chars_per_frame, 1); if (avctx->pb->seekable & AVIO_SEEKABLE_NORMAL) { - s->fsize = avio_size(avctx->pb); - st->duration = (s->fsize + s->chars_per_frame - 1) / s->chars_per_frame; + int64_t fsize = avio_size(avctx->pb); + if (fsize > 0) { + s->fsize = fsize; + st->duration = (s->fsize + s->chars_per_frame - 1) / s->chars_per_frame; - if (ff_sauce_read(avctx, &s->fsize, 0, 0) < 0) - efi_read(avctx, s->fsize - 51); + if (ff_sauce_read(avctx, &s->fsize, 0, 0) < 0) + efi_read(avctx, s->fsize - 51); - avio_seek(avctx->pb, 0, SEEK_SET); + avio_seek(avctx->pb, 0, SEEK_SET); + } } fail: -- 2.45.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".