av_get_pcm_codec 3946 libavcodec/avcodec.h enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be);
av_get_pcm_codec  333 libavdevice/lavfi.c             st->codecpar->codec_id    = av_get_pcm_codec(av_buffersink_get_format(sink), -1);
av_get_pcm_codec  179 tools/uncoded_frame.c             st->stream->codecpar->codec_id       = av_get_pcm_codec(st->stream->codecpar->format, -1);