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authorRoman Shaposhnik <roman@shaposhnik.org>2008-08-19 16:00:26 +0000
committerRoman Shaposhnik <roman@shaposhnik.org>2008-08-19 16:00:26 +0000
commitcb879ec2fb67248adf9ca4762f36836cea0a8b26 (patch)
treef8de1e24b8802e24c2b798c2b116c93e6c87a284
parent2c8d438893ac37d15921b89014f749907c6cb239 (diff)
downloadffmpeg-cb879ec2fb67248adf9ca4762f36836cea0a8b26.tar.gz
Introducing DV_MAX_BPM macro instead of a hardcoded value for the
highest number of blocks per macroblock Originally committed as revision 14840 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/dv.c4
-rw-r--r--libavcodec/dvdata.h3
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 */