From mboxrd@z Thu Jan 1 00:00:00 1970 From: Erik Slagter Subject: Re: SPDIF/IEC958 sample rate on HDA/ALC882 Date: Wed, 29 Nov 2006 11:41:13 +0100 Message-ID: <456D63C9.5080605@slagter.name> References: <4548D24F.7080409@slagter.name> <456C35F5.5070808@slagter.name> <456C8316.30309@slagter.name> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0899592047==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@lists.sourceforge.net Errors-To: alsa-devel-bounces@lists.sourceforge.net To: Takashi Iwai Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org This is a cryptographically signed message in MIME format. --===============0899592047== Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms010400050103060305060309" This is a cryptographically signed message in MIME format. --------------ms010400050103060305060309 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Takashi Iwai wrote: >> Also I really don't get the relationship between the sample rate of the >> wav file I'm using for testing (with aplay) and iecset. I'd expect that >> aplay would set the sample (locking) rate of the spdif interface to the >> sample frequency as the wav file, what is the use of iecset (rate) then? >> I am using hw:0,0 to really avoid software resampling. > Well, still I didn't write what you did and what you got... Spotted well, it takes some time to recreate the complete test suite. I will have a go once more with newer alsa libs/utils and then submit the results. I wasn't too eager before because I didn't get any reply for weeks... >>>>>> Maybe I am using the wrong "hw", there is also a "hw:0,2" device, which >>>>>> I cannot make work properly at all (only one channel is output, large >>>>>> chunks are discarded, much much clipping). >>>>> The first PCM device is for the multi-output PCM. It's for both >>>>> analog and digital. The dedicated SPDIF is the secondary one. >>>> But why does the second interface gives _some_ (although wrong) output >>>> on my spdif output then? >>> No idea, possibly wrong parameters are passed. >> By whom or what? Actually I don't care that much, but it looks like a >> bug to me. > Possibly. But too little information to analyze. I think you're misunderstanding me here. aplay -Dhw:0,0 sample.wav gives valid sound through spdif (though limited), but aplay -Dhw:0,1 gives garbage on the same spdif output. That doesn't look like an issue of aplay or the alsa lib, but a driver issue. >> [ rate bitfields in proc #codec# output ] > Try HG version, and you'll see what they mean better. The driver version in the kernel is kind of recent, so I really doubt that. If you can give me a pointer to a file that has defines or enums, that actually resolve to numbers, for this bitfield, I'd be obliged. --------------ms010400050103060305060309 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJUTCC AwMwggJsoAMCAQICEH7+jMMkILvfMGzj+Ok1nw8wDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UE BhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMT I1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA2MTAxMTA4MjIxMVoX DTA3MTAxMTA4MjIxMVowajEQMA4GA1UEBBMHU2xhZ3RlcjEVMBMGA1UEKhMMRXJpayBNYXJ0 aWpuMR0wGwYDVQQDExRFcmlrIE1hcnRpam4gU2xhZ3RlcjEgMB4GCSqGSIb3DQEJARYRZXJp a0BzbGFndGVyLm5hbWUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDM5rtCRQmb ZzxbezId4+cmqrIzzR8ZMxyPH4pMsrPLe1L9SwbzWZbPZZEY47tmeEJv4JZHo6FpSscXHj5Y pk2i6l+u9HrvexKVZVo6bO8zEJGNWaWbE0Y/4wUhsvlQw8ssRMDNZb6YR3SADHgTtuPgChqj DxX1jnQK+vFxk3s/ub55nOWjzRItqPWJNuRac5esv5DSR43TQm0YujoAXPnswzr2l1y4oCKQ iPIrf5erlK60N4d9US3EPpCkByGyyYQ7IE75NB5E/kCfNV8g41bpJIB6sobCUl+faHozSD/c AfrYhRNCj//LkG5q5EtKoKSFMKSZoVmwUsv77M/GJpXbAgMBAAGjLjAsMBwGA1UdEQQVMBOB EWVyaWtAc2xhZ3Rlci5uYW1lMAwGA1UdEwEB/wQCMAAwDQYJKoZIhvcNAQEFBQADgYEAPF1+ u8w++Z8aqKBPN9yEHt+u/GC5cBHLTE0ltBuPKDdUr5POL1yrJsWsFgaj2/MPA2w+dF4dcZmz 7DKpClL2+06FdXmUa7hOzpw4HgS2riznlIT0KuobhDjxj9V/W1dzAp2NwwlsuIz60/t2w97b 5miMwlNioNq9CoXOIiSxI2EwggMDMIICbKADAgECAhB+/ozDJCC73zBs4/jpNZ8PMA0GCSqG SIb3DQEBBQUAMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAo UHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBD QTAeFw0wNjEwMTEwODIyMTFaFw0wNzEwMTEwODIyMTFaMGoxEDAOBgNVBAQTB1NsYWd0ZXIx FTATBgNVBCoTDEVyaWsgTWFydGlqbjEdMBsGA1UEAxMURXJpayBNYXJ0aWpuIFNsYWd0ZXIx IDAeBgkqhkiG9w0BCQEWEWVyaWtAc2xhZ3Rlci5uYW1lMIIBIjANBgkqhkiG9w0BAQEFAAOC AQ8AMIIBCgKCAQEAzOa7QkUJm2c8W3syHePnJqqyM80fGTMcjx+KTLKzy3tS/UsG81mWz2WR GOO7ZnhCb+CWR6OhaUrHFx4+WKZNoupfrvR673sSlWVaOmzvMxCRjVmlmxNGP+MFIbL5UMPL LETAzWW+mEd0gAx4E7bj4Aoaow8V9Y50CvrxcZN7P7m+eZzlo80SLaj1iTbkWnOXrL+Q0keN 00JtGLo6AFz57MM69pdcuKAikIjyK3+Xq5SutDeHfVEtxD6QpAchssmEOyBO+TQeRP5AnzVf IONW6SSAerKGwlJfn2h6M0g/3AH62IUTQo//y5BuauRLSqCkhTCkmaFZsFLL++zPxiaV2wID AQABoy4wLDAcBgNVHREEFTATgRFlcmlrQHNsYWd0ZXIubmFtZTAMBgNVHRMBAf8EAjAAMA0G CSqGSIb3DQEBBQUAA4GBADxdfrvMPvmfGqigTzfchB7frvxguXARy0xNJbQbjyg3VK+Tzi9c qybFrBYGo9vzDwNsPnReHXGZs+wyqQpS9vtOhXV5lGu4Ts6cOB4Etq4s55SE9CrqG4Q48Y/V f1tXcwKdjcMJbLiM+tP7dsPe2+ZojMJTYqDavQqFziIksSNhMIIDPzCCAqigAwIBAgIBDTAN BgkqhkiG9w0BAQUFADCB0TELMAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTES MBAGA1UEBxMJQ2FwZSBUb3duMRowGAYDVQQKExFUaGF3dGUgQ29uc3VsdGluZzEoMCYGA1UE CxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjEkMCIGA1UEAxMbVGhhd3RlIFBl cnNvbmFsIEZyZWVtYWlsIENBMSswKQYJKoZIhvcNAQkBFhxwZXJzb25hbC1mcmVlbWFpbEB0 aGF3dGUuY29tMB4XDTAzMDcxNzAwMDAwMFoXDTEzMDcxNjIzNTk1OVowYjELMAkGA1UEBhMC WkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1Ro YXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMIGfMA0GCSqGSIb3DQEBAQUAA4GN ADCBiQKBgQDEpjxVc1X7TrnKmVoeaMB1BHCd3+n/ox7svc31W/Iadr1/DDph8r9RzgHU5VAK MNcCY1osiRVwjt3J8CuFWqo/cVbLrzwLB+fxH5E2JCoTzyvV84J3PQO+K/67GD4Hv0CAAmTX p6a7n2XRxSpUhQ9IBH+nttE8YQRAHmQZcmC3+wIDAQABo4GUMIGRMBIGA1UdEwEB/wQIMAYB Af8CAQAwQwYDVR0fBDwwOjA4oDagNIYyaHR0cDovL2NybC50aGF3dGUuY29tL1RoYXd0ZVBl cnNvbmFsRnJlZW1haWxDQS5jcmwwCwYDVR0PBAQDAgEGMCkGA1UdEQQiMCCkHjAcMRowGAYD VQQDExFQcml2YXRlTGFiZWwyLTEzODANBgkqhkiG9w0BAQUFAAOBgQBIjNFQg+oLLswNo2as Zw9/r6y+whehQ5aUnX9MIbj4Nh+qLZ82L8D0HFAgk3A8/a3hYWLD2ToZfoSxmRsAxRoLgnSe JVCUYsfbJ3FXJY3dqZw5jowgT2Vfldr394fWxghOrvbqNOUQGls1TXfjViF4gtwhGTXeJLHT HUb/XV9lTzGCA2QwggNgAgEBMHYwYjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBD b25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFp bCBJc3N1aW5nIENBAhB+/ozDJCC73zBs4/jpNZ8PMAkGBSsOAwIaBQCgggHDMBgGCSqGSIb3 DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTA2MTEyOTEwNDExM1owIwYJKoZI hvcNAQkEMRYEFFNiS/xkSkTAnxBwd09bNgaPfaVXMFIGCSqGSIb3DQEJDzFFMEMwCgYIKoZI hvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3 DQMCAgEoMIGFBgkrBgEEAYI3EAQxeDB2MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3 dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJl ZW1haWwgSXNzdWluZyBDQQIQfv6MwyQgu98wbOP46TWfDzCBhwYLKoZIhvcNAQkQAgsxeKB2 MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQu MSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQIQfv6MwyQg u98wbOP46TWfDzANBgkqhkiG9w0BAQEFAASCAQAJFlTaLOk1q832hN42IJn2QpfHy/5evfGz KNt67VGvEl9BU4QPhSiZ37biPJ+6BB1+2Giz5rHZ79EGrcOQaFAssLPkwPJ1ASQItivaBUyq oXNMGkg5jt1Qf6UNXZYTC99fvlNW7VgQHl0aQ+Z7MXrWc8AokR9w1rlJVfw47hRCLMsnDojK RBJ8Sd7l6yLxGLrItRwlPUMxfd88xI2T5gPF0A0m64ZkiACTsuADg69njrAEAgqc5up+qxo/ q7V2cly9KEgjcZTePWnwVUDF50eyq/W4hJVubPtFAo1lyT+OUfvbWGSvnq5D9sP9R/QHowvk Me7UpcM63ua/BIE0E5r+AAAAAAAA --------------ms010400050103060305060309-- --===============0899592047== Content-Type: text/plain; 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