av_get_pcm_codec 5035 libavcodec/avcodec.h enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be);
av_get_pcm_codec  325 libavdevice/lavfi.c             st->codec->codec_id    = av_get_pcm_codec(link->format, -1);
av_get_pcm_codec  185 tools/uncoded_frame.c                 av_get_pcm_codec(st->stream->codec->sample_fmt, -1);