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From: Mauro Carvalho Chehab <mchehab@redhat.com>
To: Manu Abraham <abraham.manu@gmail.com>
Cc: Simon Farnsworth <simon.farnsworth@onelan.com>,
	Antti Palosaari <crope@iki.fi>,
	Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: [PATCH RFCv10 00/15] DVB QoS statistics API
Date: Wed, 16 Jan 2013 20:11:13 -0200	[thread overview]
Message-ID: <20130116201113.5394cd14@redhat.com> (raw)
In-Reply-To: <CAHFNz9K7EJWjmeU8ViW_bnxO-inNuSU4S+=vH_FHnCF9Aq+kBg@mail.gmail.com>

Em Thu, 17 Jan 2013 03:07:21 +0530
Manu Abraham <abraham.manu@gmail.com> 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

  reply	other threads:[~2013-01-16 22:11 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-15  2:30 [PATCH RFCv10 00/15] DVB QoS statistics API Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 01/15] mb86a20s: improve error handling at get_frontend Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 02/15] dvb: Add DVBv5 stats properties for Quality of Service Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 03/15] dvb: the core logic to handle the DVBv5 QoS properties Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 04/15] mb86a20s: Update QoS statistics at FE read_status Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 05/15] mb86a20s: functions reorder Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 06/15] mb86a20s: Fix i2c gate on error Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 07/15] mb86a20s: improve debug for RF level Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 08/15] mb86a20s: fix interleaving and FEC retrival Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 09/15] mb86a20s: convert it to use dev_info/dev_err/dev_dbg Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 10/15] mb86a20s: -EBUSY is expected when getting QoS measures Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 11/15] mb86a20s: make AGC work better Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 12/15] mb86a20s: Some improvements for BER measurement Mauro Carvalho Chehab
2013-01-15  2:30 ` [PATCH RFCv10 13/15] mb86a20s: improve bit error count for BER Mauro Carvalho Chehab
2013-01-15  2:31 ` [PATCH RFCv10 14/15] dvb: increase API version Mauro Carvalho Chehab
2013-01-15  8:20 ` [PATCH RFCv10 00/15] DVB QoS statistics API Johannes Stezenbach
2013-01-15  8:55   ` Antti Palosaari
2013-01-15 12:23     ` Mauro Carvalho Chehab
2013-01-15  9:34 ` Antti Palosaari
2013-01-15 13:10   ` Mauro Carvalho Chehab
2013-01-15 14:49     ` Antti Palosaari
2013-01-15 15:21       ` Mauro Carvalho Chehab
2013-01-15 15:47         ` Devin Heitmueller
2013-01-15 17:02           ` Mauro Carvalho Chehab
2013-01-15 15:26       ` Antti Palosaari
2013-01-15 17:12         ` Mauro Carvalho Chehab
2013-01-15 20:37           ` Antti Palosaari
2013-01-16  4:26             ` Manu Abraham
2013-01-16 11:41               ` Luca Olivetti
2013-01-16 13:56               ` Mauro Carvalho Chehab
2013-01-16 15:19                 ` Manu Abraham
2013-01-16 17:21                   ` Mauro Carvalho Chehab
2013-01-16 18:26                     ` Manu Abraham
2013-01-16 19:22                       ` Mauro Carvalho Chehab
2013-01-16 21:40                         ` Manu Abraham
2013-01-16 19:29                       ` Simon Farnsworth
2013-01-16 21:37                         ` Manu Abraham
2013-01-16 22:11                           ` Mauro Carvalho Chehab [this message]
2013-01-17  3:26                             ` Manu Abraham
2013-01-16 22:01                         ` Mauro Carvalho Chehab
2013-01-17  3:40                           ` Manu Abraham
2013-01-17  9:33                             ` Antti Palosaari
2013-01-17 16:50                               ` Mauro Carvalho Chehab
2013-01-17 17:15                                 ` Antti Palosaari
2013-01-17 18:11                                   ` Mauro Carvalho Chehab
2013-01-17 18:27                                     ` Antti Palosaari
2013-01-17 18:37                                       ` Manu Abraham
2013-01-17 18:50                                         ` Mauro Carvalho Chehab
2013-01-17 19:11                                           ` Antti Palosaari
2013-01-17 19:35                                             ` Mauro Carvalho Chehab
2013-01-17 21:29                                             ` Manu Abraham
2013-01-17 22:22                                               ` Antti Palosaari
2013-01-17 22:46                                                 ` Mauro Carvalho Chehab
2013-01-22 12:16                                             ` Mauro Carvalho Chehab
2013-01-23 15:08                                               ` Antti Palosaari
2013-01-23 15:12                                                 ` Antti Palosaari
2013-01-23 18:18                                                 ` Mauro Carvalho Chehab
2013-01-23 18:57                                                   ` Mauro Carvalho Chehab
2013-01-23 19:55                                                     ` Antti Palosaari
2013-01-23 21:00                                                       ` Mauro Carvalho Chehab
2013-01-23 22:02                                                         ` Mauro Carvalho Chehab
2013-01-17 17:16                               ` Manu Abraham
2013-01-17 17:22                                 ` Antti Palosaari
2013-01-17 17:37                                   ` [linux-media] " Klaus Schmidinger
2013-01-17 17:39                                     ` [linux-media] " Klaus Schmidinger
2013-01-17 18:36                                   ` Mauro Carvalho Chehab
2013-01-19 12:04                           ` Mauro Carvalho Chehab
2013-01-16 13:24             ` Mauro Carvalho Chehab
2013-01-15 10:38 ` Manu Abraham
2013-01-15 15:23   ` Mauro Carvalho Chehab

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