dc_gpac_audio_isom_open_seg 392 applications/dashcast/audio_muxer.c return dc_gpac_audio_isom_open_seg(audio_output_file, NULL); dc_gpac_audio_isom_open_seg 400 applications/dashcast/audio_muxer.c ret = dc_gpac_audio_isom_open_seg(audio_output_file, name);