AVDownmixType      62 extra_lib/include/ffmpeg_android/libavutil/downmix_info.h     enum AVDownmixType preferred_downmix_type;
AVDownmixType     177 extra_lib/include/ffmpeg_android/libavutil/downmix_info.h     enum AVDownmixType preferred_downmix_type;
AVDownmixType      62 extra_lib/include/libavutil/downmix_info.h     enum AVDownmixType preferred_downmix_type;