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#tb 0: 1/8000 #media_type 0: audio #codec_id 0: pcm_s16le #sample_rate 0: 8000 #channel_layout 0: 4 0, 0, 0, 240, 480, 0xa697b314 0, 240, 240, 240, 480, 0x43c5dc5a 0, 480, 480, 240, 480, 0xd2438147 0, 720, 720, 240, 480, 0x3b1ead64