AVDurationEstimationMethod 1526 extra_lib/include/ffmpeg_android/libavformat/avformat.h     enum AVDurationEstimationMethod duration_estimation_method;
AVDurationEstimationMethod 1728 extra_lib/include/ffmpeg_android/libavformat/avformat.h enum AVDurationEstimationMethod av_fmt_ctx_get_duration_estimation_method(const AVFormatContext* ctx);
AVDurationEstimationMethod 1399 extra_lib/include/libavformat/avformat.h     enum AVDurationEstimationMethod duration_estimation_method;
AVDurationEstimationMethod 1571 extra_lib/include/libavformat/avformat.h enum AVDurationEstimationMethod av_fmt_ctx_get_duration_estimation_method(const AVFormatContext* ctx);