AV_CODEC_ID_IMM4 1662 libavcodec/codec_desc.c         .id        = AV_CODEC_ID_IMM4,
AV_CODEC_ID_IMM4  548 libavcodec/imm4.c     .id               = AV_CODEC_ID_IMM4,
AV_CODEC_ID_IMM4  476 libavformat/riff.c     { AV_CODEC_ID_IMM4,         MKTAG('I', 'M', 'M', '4') },