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avformat/yuv4mpegdec: better error logging

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This commit is contained in:
Gyan Doshi 2020-01-26 20:50:30 +05:30
parent 609dfb4057
commit 724e6b3d63
1 changed files with 8 additions and 4 deletions
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12
libavformat/yuv4mpegdec.c
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@ -53,10 +53,14 @@ static int yuv4_read_header(AVFormatContext *s)
break;
}
}
if (i == MAX_YUV4_HEADER)
return -1;
if (strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC)))
return -1;
if (i == MAX_YUV4_HEADER) {
av_log(s, AV_LOG_ERROR, "Header too large.\n");
return AVERROR(EINVAL);
}
if (strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC))) {
av_log(s, AV_LOG_ERROR, "Invalid magic number for yuv4mpeg.\n");
return AVERROR(EINVAL);
}
header_end = &header[i + 1]; // Include space
for (tokstart = &header[strlen(Y4M_MAGIC) + 1];