Your message dated Tue, 20 Oct 2015 23:46:06 +0000 with message-id <e1zogbw-0000yh...@franck.debian.org> and subject line Bug#794817: Removed package(s) from unstable has caused the Debian Bug report #663239, regarding mplayer opens audio device in 48000 Hz for 44100 source material to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact ow...@bugs.debian.org immediately.) -- 663239: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663239 Debian Bug Tracking System Contact ow...@bugs.debian.org with problems
--- Begin Message ---Package: mplayer2, libasound2 Hi, When I'm playing music with mplayer2, when the music is with a samplerate of 44100, mplayer opens the device in 48000 mode. Which means that mplayer needs to resample from 44100 to 48000, while there is no need for this, and only wastes cpu time, and distorts the sound. As far as I can see it defaults to an accurate resample algorithm, but it's using multiple times the amount of CPU it should be using. I have those devices: $ aplay -L null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server default:CARD=PCH HDA Intel PCH, ALC892 Analog Default Audio Device sysdefault:CARD=PCH HDA Intel PCH, ALC892 Analog Default Audio Device front:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog Front speakers surround40:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Digital IEC958 (S/PDIF) Digital Audio Output hdmi:CARD=PCH,DEV=0 HDA Intel PCH, HDMI 0 HDMI Audio Output hdmi:CARD=PCH,DEV=1 HDA Intel PCH, HDMI 1 HDMI Audio Output Looking at the samplerates those support, I get: default / sysdefault: 4000-4294967295 hw:0 44100 48000 96000 192000 front: 44100 48000 96000 192000 surround*: 44100 48000 96000 192000 iec958: 32000 44100 48000 88200 96000 192000 hdmi: 32000 44100 48000 88200 96000 176400 192000 So there really is no reason I shouldn't be able to play at 44100. The problem now is that mplayer does this in libao2/ao_alsa.c: /* workaround for buggy rate plugin (should be fixed in ALSA 1.0.11) prefer our own resampler, since that allows users to choose the resampler, even per file if desired */ #if SND_LIB_VERSION >= 0x010009 if ((err = snd_pcm_hw_params_set_rate_resample(alsa_handler, alsa_hwparams, 0)) < 0) { mp_tmsg(MSGT_AO,MSGL_ERR,"[AO_ALSA] Unable to disable resampling: %s\n", snd_strerror(err)); return 0; } #endif The results in default's rate to be changed from 4000-4294967295 to 48000. That is "defaults.pcm.dmix.rate 48000" in the config file as far as I know. The next thing mplayer does is requesting the samplerate using snd_pcm_hw_params_set_rate_near(), asking for 44100, but getting 48000 instead. Using an other device than default/sysdefault does get me the 44100. Kurt
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--- Begin Message ---Version: 2.0-728-g2c378c7-4+rm Dear submitter, as the package mplayer2 has just been removed from the Debian archive unstable we hereby close the associated bug reports. We are sorry that we couldn't deal with your issue properly. For details on the removal, please see https://bugs.debian.org/794817 The version of this package that was in Debian prior to this removal can still be found using http://snapshot.debian.org/. This message was generated automatically; if you believe that there is a problem with it please contact the archive administrators by mailing ftpmas...@ftp-master.debian.org. Debian distribution maintenance software pp. Scott Kitterman (the ftpmaster behind the curtain)
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