From: Balabay S Sergey <johnny3000k@yandex.ru> To: ALT Linux Community <community@lists.altlinux.org> Subject: [Comm] MPlayer audioquality bug Date: Thu, 8 Jun 2006 21:07:34 +0700 Message-ID: <538823317.20060608210734@yandex.ru> (raw) Всем доброго времени суток! Столкнулся с такой проблемой, причем весьма давно: в большинстве клипов и в некоторых фильмах (довольно старых в плане выпуска CD с ними) звук получается какой-то квакающий, будто залитый водой. Нашёл два клипа, один играет нормально, второй - квакает. Посмотрел под виндой - аудиопотоки отличаются только цифрой в описании кодека: Квакает: 0x0050 (Microsoft MPEG-1 layer 1, 2) Нормально: 0x0055 (ISO MPEG-1 Layer3) Как можно пофиксить?? Ведь по сути всё равно MP3-кодек используется. Логи mplayer'а (оставил всё, что касалось audio): Нормально: MPlayer 1.0pre5-3.3.3 (C) 2000-2004 MPlayer Team Playing Papa Roach - Last Resort.avi. Checking audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/32bit... AF_pre: af format: 4 bps, 2 ch, 44100 hz, little endian float AF_pre: 44100Hz 2ch Floating Point alsa-init: got device=0, subdevice=0 alsa-init: 1 soundcard found, using: default alsa: 44100 Hz/2 channels/8 bpf/131072 bytes buffer/Signed 32 bit Big Endian AO: [alsa] 44100Hz 2ch Signed 32-bit (Big-Endian) (4 bps) Building audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/32bit... Starting playback... A: 0,1 V: 0,0 A-V: 0,029 ct: 0,003 2/ 2 0% 0% 0,0% 0 0 0% Successfully enabled DPMS alsa-uninit: pcm closed Exiting... (Quit) Квакает: MPlayer 1.0pre5-3.3.3 (C) 2000-2004 MPlayer Team Playing /windows/c/Unsort/Madonna-Hung Up.mpg. ========================================================================== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3 MP3lib: init layer2&3 finished, tables done AUDIO: 44100 Hz, 2 ch, 16 bit (0x10), ratio: 24000->176400 (192,0 kbit) Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3) Checking audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/32bit... AF_pre: af format: 4 bps, 2 ch, 44100 hz, little endian float AF_pre: 44100Hz 2ch Floating Point alsa-init: got device=0, subdevice=0 alsa-init: 1 soundcard found, using: default alsa: 44100 Hz/2 channels/8 bpf/131072 bytes buffer/Signed 32 bit Big Endian AO: [alsa] 44100Hz 2ch Signed 32-bit (Big-Endian) (4 bps) Building audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/32bit... Starting playback... Successfully enabled DPMS alsa-uninit: pcm closed Exiting... (Quit) ===Конец логов=== +---------------------+---------------+ |WBR, Balabay S Sergey|ICQ: 175140263| |johnny3000k@yandex.ru| Linux 2.6.7 | +---------------------+---------------+
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