diff options
| -rw-r--r-- | libavcodec/dv.c | 4 | ||||
| -rw-r--r-- | libavcodec/dvdata.h | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/dv.c b/libavcodec/dv.c index 30e0b1da55..816ccae269 100644 --- a/libavcodec/dv.c +++ b/libavcodec/dv.c @@ -360,8 +360,8 @@ static inline void dv_decode_video_segment(DVVideoContext *s, const uint8_t *buf_ptr; PutBitContext pb, vs_pb; GetBitContext gb; - BlockInfo mb_data[5 * 6], *mb, *mb1; - DECLARE_ALIGNED_16(DCTELEM, sblock[5*6][64]); + BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1; + DECLARE_ALIGNED_16(DCTELEM, sblock[5*DV_MAX_BPM][64]); DECLARE_ALIGNED_8(uint8_t, mb_bit_buffer[80 + 4]); /* allow some slack */ DECLARE_ALIGNED_8(uint8_t, vs_bit_buffer[5 * 80 + 4]); /* allow some slack */ const int log2_blocksize= 3-s->avctx->lowres; diff --git a/libavcodec/dvdata.h b/libavcodec/dvdata.h index c725e1a765..48ddfccd7a 100644 --- a/libavcodec/dvdata.h +++ b/libavcodec/dvdata.h @@ -2638,6 +2638,9 @@ enum dv_pack_type { /* largest possible DV frame, in bytes (PAL 50Mbps) */ #define DV_MAX_FRAME_SIZE 288000 +/* maximum number of blocks per macroblock in any DV format */ +#define DV_MAX_BPM 8 + static inline const DVprofile* dv_frame_profile(const uint8_t* frame) { if ((frame[3] & 0x80) == 0) { /* DSF flag */ |