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Clarify code/avoid possible bugs by using precalculated values that are used for extradata as well

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Originally committed as revision 24941 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Tobias Bindhammer 2010-08-26 10:03:06 +00:00
parent 6cd94998a4
commit 3156df450f
1 changed files with 9 additions and 9 deletions
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18
libavcodec/a64multienc.c
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@ -291,15 +291,15 @@ static int a64multi_encode_frame(AVCodecContext *avctx, unsigned char *buf,
render_charset(avctx, charset, colram);
/* copy charset to buf */
memcpy(buf,charset,0x800*(INTERLACED+1));
memcpy(buf,charset, charset_size);
/* advance pointers */
buf += 0x800*(INTERLACED+1);
charset += 0x800*(INTERLACED+1);
req_size += 0x800*(INTERLACED+1);
buf += charset_size;
charset += charset_size;
req_size += charset_size;
}
/* no charset so clean buf */
else memset(buf,0,0x800*(INTERLACED+1));
else memset(buf, 0, charset_size);
/* write x frames to buf */
for (frame = 0; frame < c->mc_lifetime; frame++) {
@ -308,15 +308,15 @@ static int a64multi_encode_frame(AVCodecContext *avctx, unsigned char *buf,
buf[a] = charmap[a];
}
/* advance pointers */
buf += 0x400;
req_size += 0x400;
buf += screen_size;
req_size += screen_size;
/* compress and copy colram to buf */
if(c->mc_use_5col) {
a64_compress_colram(buf,charmap,colram);
/* advance pointers */
buf += 0x100;
req_size += 0x100;
buf += colram_size;
req_size += colram_size;
}
/* advance to next charmap */