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cmdutils: print a more descriptive error message in show_help_bsf() when no bsf is specified 

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2018-07-28 00:58:29 -03:00
parent 3258cc6507
commit d228df6ff3
1 changed files with 4 additions and 1 deletions
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5
fftools/cmdutils.c
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@ -1956,7 +1956,10 @@ static void show_help_bsf(const char *name)
{
const AVBitStreamFilter *bsf = av_bsf_get_by_name(name);
if (!bsf) {
if (!name) {
av_log(NULL, AV_LOG_ERROR, "No bitstream filter name specified.\n");
return;
} else if (!bsf) {
av_log(NULL, AV_LOG_ERROR, "Unknown bit stream filter '%s'.\n", name);
return;
}