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Code Issues Releases Activity

mmvideo: remove some conditional statements by limiting range of half_horiz and half_vert parameters to [0,1]

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Originally committed as revision 26299 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross 2011-01-10 12:16:33 +00:00
parent cb77dad724
commit 091bc6ca8c
1 changed files with 11 additions and 3 deletions
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14
libavcodec/mmvideo.c
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@ -78,6 +78,10 @@ static void mm_decode_pal(MmContext *s, const uint8_t *buf, const uint8_t *buf_e
}
}
/**
* @param half_horiz Half horizontal resolution (0 or 1)
* @param half_vert Half vertical resolution (0 or 1)
*/
static void mm_decode_intra(MmContext * s, int half_horiz, int half_vert, const uint8_t *buf, int buf_size)
{
int i, x, y;
@ -108,11 +112,15 @@ static void mm_decode_intra(MmContext * s, int half_horiz, int half_vert, const
if (x >= s->avctx->width) {
x=0;
y += half_vert ? 2 : 1;
y += 1 + half_vert;
}
}
}
/*
* @param half_horiz Half horizontal resolution (0 or 1)
* @param half_vert Half vertical resolution (0 or 1)
*/
static void mm_decode_inter(MmContext * s, int half_horiz, int half_vert, const uint8_t *buf, int buf_size)
{
const int data_ptr = 2 + AV_RL16(&buf[0]);
@ -145,12 +153,12 @@ static void mm_decode_inter(MmContext * s, int half_horiz, int half_vert, const
}
d++;
}
x += half_horiz ? 2 : 1;
x += 1 + half_horiz;
}
}
r += length;
y += half_vert ? 2 : 1;
y += 1 + half_vert;
}
}