diff options
Diffstat (limited to 'gst-libs/ext/libav/libavcodec/lzw.c')
-rw-r--r-- | gst-libs/ext/libav/libavcodec/lzw.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gst-libs/ext/libav/libavcodec/lzw.c b/gst-libs/ext/libav/libavcodec/lzw.c index 873b314..b674d4e 100644 --- a/gst-libs/ext/libav/libavcodec/lzw.c +++ b/gst-libs/ext/libav/libavcodec/lzw.c @@ -101,9 +101,14 @@ void ff_lzw_decode_tail(LZWState *p) struct LZWState *s = (struct LZWState *)p; if(s->mode == FF_LZW_GIF) { - while(s->pbuf < s->ebuf && s->bs>0){ - s->pbuf += s->bs; - s->bs = *s->pbuf++; + while (s->bs > 0) { + if (s->pbuf + s->bs >= s->ebuf) { + s->pbuf = s->ebuf; + break; + } else { + s->pbuf += s->bs; + s->bs = *s->pbuf++; + } } }else s->pbuf= s->ebuf; |