if (codec_id == AV_CODEC_ID_NONE)
return NULL;
- for (parser = av_first_parser; parser != NULL; parser = parser->next) {
+ for (parser = av_first_parser; parser; parser = parser->next) {
if (parser->codec_ids[0] == codec_id ||
parser->codec_ids[1] == codec_id ||
parser->codec_ids[2] == codec_id ||