mp4_eaac+_128_96_v30_10_a20_32.sdp
mp4_eaac+_128_96_v60_12_a20_44.sdp
mp4_eaac+_128_96_v142_25_a48_48.sdp
mp4_eaac+_vbr_128_96_v96_15_a24_48.sdp
mp4_eaac+_vbr_128_96_v128_20_a32_44.sdp