diff options
| -rw-r--r-- | libavcodec/cinepak.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c index 3b00a1605d..d1e1f0ec16 100644 --- a/libavcodec/cinepak.c +++ b/libavcodec/cinepak.c @@ -316,13 +316,22 @@ static int cinepak_decode (CinepakContext *s) uint8_t *eod = (s->data + s->size); int i, result, strip_size, frame_flags, num_strips; int y0 = 0; + int encoded_buf_size; + /* if true, Cinepak data is from a Sega FILM/CPK file */ + int sega_film_data = 0; if (s->size < 10) return -1; frame_flags = s->data[0]; num_strips = BE_16 (&s->data[8]); - s->data += 10; + encoded_buf_size = BE_16 (&s->data[2]); + if (encoded_buf_size != s->size) + sega_film_data = 1; + if (sega_film_data) + s->data += 12; + else + s->data += 10; if (num_strips > MAX_STRIPS) num_strips = MAX_STRIPS; |