Em Thu, 17 Jan 2013 03:07:21 +0530 Manu Abraham <abraham.manu@xxxxxxxxx> escreveu: > With ISDB-T, with the 3 layers, you have BER/UNC for each of the layers, though > the rate difference could be very little. Where? There's no way to report per-layer report with DVBv3. And no, the difference is not very little: $ dmesg|grep -e mb86a20s_get_main_CNR -e "bit error before" -e "bit count before" [12785.798746] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 252. [12785.810743] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12785.856385] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12786.399684] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12786.410678] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 248. [12786.422693] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12786.425547] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer B: 80209. [12786.437537] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer B: 8257536. [12786.919289] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12786.930410] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 213. [12786.942553] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12786.989127] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12787.387172] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12787.398062] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 234. [12787.409657] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12787.412529] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer B: 83533. [12787.424293] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer B: 8257536. [12788.052702] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12788.063443] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 183. [12788.075438] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12788.078165] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer B: 91502. [12788.089946] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer B: 8257536. [12788.126411] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12788.388646] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12788.399268] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 181. [12788.410887] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12789.189254] i2c i2c-4: mb86a20s_get_main_CNR: CNR is 24.4 dB (1285) [12789.200099] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer A: 191. [12789.211719] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer A: 65535. [12789.214465] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit error before Viterbi for layer B: 83536. [12789.226348] i2c i2c-4: mb86a20s_get_ber_before_vterbi: bit count before Viterbi for layer B: 8257536. -- Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
