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Проблема планировщик cron > воспроизведение музыки

 


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Добрый день! Возникла потребность в создание через планировщик (cron) воспроизведение музыки формата wav по расписанию.

Устройство Rassbarry Pi 4
ПО Образ Debian 12
Оболочка Xfce
Пользователь root 
Установлен sox со всеми библиотеками.

Настройка cron

HELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/home/sh

15      13      * *     5               root sample1.sh > /tmp/1.log 2>&1

Настройка скрипта

#! /bin/bash
play /home/wav/lesson1.wav

Проверка скрипта с командной строки

root@rpi4-20231108:/home/sh# ./sample1.sh

/home/wav/lesson1.wav:

 File Size: 5.33M     Bit Rate: 1.41M
  Encoding: Signed PCM    
  Channels: 2 @ 16-bit   
Samplerate: 44100Hz      
Replaygain: off         
  Duration: 00:00:30.20  

In:5.54% 00:00:01.67 [00:00:28.53] Out:73.7k [ =====|===== ] Hd:4.9 Clip:0    
[10]+  Stopped                 ./sample1.sh

Все отлично, музыка воспроизводится

Описание проблемы: Планировщик запускает по расписанию скрипт все ок Лог скрипта

/home/wav/lesson1.wav:

 File Size: 5.33M     Bit Rate: 1.41M
  Encoding: Signed PCM    
  Channels: 2 @ 16-bit   
Samplerate: 44100Hz      
Replaygain: off         
  Duration: 00:00:30.20  


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Done.

Но вот музыка не воспроизводится ,колонки молчат.

← Вопрос по суперпользователю в андроиде
multi-device bcachefs в качестве корневой файловой системы →

Куда там xfce засунуто? Ты к raspberry pi подключил полноценный монитор и запустил на нём иксы, и всё это чисто от рута? Когда тестовый запуск делаешь - это из гуи-терминала или из консоли? Если первое, то попробуй консоль для начала.

firkax ★★★★★
()
Ответ на: комментарий от arrecck

pulseaudio

Он не писал что у него эта чушь стоит. Если стоит то ещё один совет - проигрывать через alsa, она в отличие от пульсы не привязана к гуи-сессиям и прочей мути.

firkax ★★★★★
()
Ответ на: комментарий от bibop124

https://manpages.debian.org/bookworm/sox/play.1.en.html

возможно что-то вроде такого 

set AUDIODRIVER=alsa
set AUDIODEV=hw:0

А вообще в alsa есть дефолтная утилита aplay, командой 

aplay -l
можно список устройств посмотреть.

firkax ★★★★★
()
Последнее исправление: firkax (всего исправлений: 1)
Ответ на: комментарий от bibop124

Оно не мешает, думаю, только демон останови.

Ещё 

aplay -L
тоже список какой-то выдаёт. Вот из него plughw: какое-то возможно взять. Или hw: но лучше plughw.

firkax ★★★★★
()
Последнее исправление: firkax (всего исправлений: 2)
Ответ на: комментарий от bibop124

pulse вообще лучше избегать - оно в большинстве случаев не выполняет никаких полезных функций - только пересылает всё дальше в алсу, но зато создаёт ряд проблем с тем как его правильно настроить. Единственные два случая где его применение оправдано - это если надо заворачивать звук в сеть, или если надо снаружи от уже запущеной проги переключать ей используемые аудиоустройства.

firkax ★★★★★
()

Слабо вник в чём проблема, но несколько лет назад решал вопросы играния музыки по расписанию, даже тред заводил с каким-то вопросом.

Мы тогда пришли к следующей практике - rpi3b, raspbian ноября 2019 года. Для проигрывания файлов - плеер mpg123, юнит на системд чтобы можно было enable-disable, для запуска скрипт на питухоне, который проверяет, который час - потому что «а вдруг перезагрузка в то время, когда должно играть».

Когда-то потом дописали на фласке морду для администрирования. Пульс где-то был, где-то не было.

Dispetcher14 ★★★★★
()
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