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Code Issues Releases Activity

xbmdec: print more details on decode error.

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Makes debugging issues easier.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2012-04-29 15:37:00 +02:00
parent 20044cd9a9
commit 1f0c92d68b
1 changed files with 5 additions and 1 deletions
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6
libavcodec/xbmdec.c
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@ -57,8 +57,10 @@ static int xbm_decode_frame(AVCodecContext *avctx, void *data,
int number, len;
ptr += strcspn(ptr, "#");
if (sscanf(ptr, "#define %256s %u", name, &number) != 2)
if (sscanf(ptr, "#define %256s %u", name, &number) != 2) {
av_log(avctx, AV_LOG_ERROR, "Unexpected preprocessor directive\n");
return AVERROR_INVALIDDATA;
}
len = strlen(name);
if ((len > 6) && !avctx->height && !memcmp(name + len - 7, "_height", 7)) {
@ -66,6 +68,7 @@ static int xbm_decode_frame(AVCodecContext *avctx, void *data,
} else if ((len > 5) && !avctx->width && !memcmp(name + len - 6, "_width", 6)) {
avctx->width = number;
} else {
av_log(avctx, AV_LOG_ERROR, "Unknown define '%s'\n", name);
return AVERROR_INVALIDDATA;
}
ptr += strcspn(ptr, "\n\r") + 1;
@ -94,6 +97,7 @@ static int xbm_decode_frame(AVCodecContext *avctx, void *data,
val = (val << 4) + convert(*ptr);
*dst++ = av_reverse[val];
} else {
av_log(avctx, AV_LOG_ERROR, "Unexpected data at '%.8s'\n", ptr);
return AVERROR_INVALIDDATA;
}
}