probe input file and quick-check for WebP format.

Error message is clearer that 'can't create demux object'.

Change-Id: Iec008601892f7cd8399e1948751747ac23305eef
This commit is contained in:
Pascal Massimino 2013-06-10 05:46:22 -07:00
parent 2ccf58d648
commit 830f72b7e9

View File

@ -434,6 +434,11 @@ int main(int argc, char *argv[]) {
goto Error;
}
if (!WebPGetInfo(kParams.data.bytes, kParams.data.size, NULL, NULL)) {
fprintf(stderr, "Input file doesn't appear to be WebP format.\n");
goto Error;
}
kParams.dmux = WebPDemux(&kParams.data);
if (kParams.dmux == NULL) {
fprintf(stderr, "Could not create demuxing object!\n");