mp4_aac_128_96_v50_10_a16_22_m.sdp
mp4_aac_128_96_v96_15_a24_16_s.sdp
mp4_aac_128_96_v150_15_a32_24_m.sdp
mp4_aac_128_96_v200_20_a32_22_s.sdp
mp4_aac_128_96_v250_25_a48_32_m.sdp
mp4_aac_128_96_v270_25_a96_44_s.sdp
mp4_aac_128_96_v300_30_a128_48_s.sdp