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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html><head> <title></title> <link rel="stylesheet" media="screen" type="text/css" href="./style.css" /> <link rel="stylesheet" media="screen" type="text/css" href="./design.css" /> <link rel="stylesheet" media="print" type="text/css" href="./print.css" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body><a href=start.html>start</a></br><div class="toc"><div class="tocheader toctoggle" id="toc__header">Table of Contents</div><div id="toc__inside"><ul class="toc"><li class="level1"><div class="li"><span class="li"><a href="#network_audio_player" class="toc">Network Audio Player</a></span></div><ul class="toc"><li class="level2"><div class="li"><span class="li"><a href="#purpose" class="toc">Purpose</a></span></div></li><li class="level2"><div class="li"><span class="li"><a href="#features" class="toc">Features</a></span></div></li><li class="level2"><div class="li"><span class="li"><a href="#enable_the_audio_node" class="toc">Enable the Audio Node</a></span></div><ul class="toc"><li class="level3"><div class="li"><span class="li"><a href="#kernel_settings" class="toc">Kernel Settings</a></span></div></li><li class="level3"><div class="li"><span class="li"><a href="#application_settings" class="toc">Application Settings</a></span></div></li></ul></li><li class="level2"><div class="li"><span class="li"><a href="#testing_server_setup" class="toc">Testing Server Setup</a></span></div></li><li class="level2"><div class="li"><span class="li"><a href="#testing_the_node" class="toc">Testing The Node</a></span></div></li><li class="level2"><div class="li"><span class="li"><a href="#playing_with_the_node" class="toc">Playing with the Node</a></span></div></li><li class="level2"><div class="li"><span class="li"><a href="#reference_information" class="toc">Reference Information</a></span></div></li></ul></li></ul></div></div><h1><a name="network_audio_player" id="network_audio_player">Network Audio Player</a></h1><div class="level1"></div><!-- SECTION [1-37] --><h2><a name="purpose" id="purpose">Purpose</a></h2><div class="level2"><p>This is a uClinux/Blackfin Networked Audio Media Node. This Networked Audio media node, which can play audio files that are mounted on Linux / Windows PCs and which can be selected through a web interface.</p></div><!-- SECTION [38-265] --><h2><a name="features" id="features">Features</a></h2><div class="level2"><ol><li class="level1"><div class="li"> Play various audio files, <acronym title="Motion Picture Experts Group Layer 3">MP3</acronym>, FLAC, OGG, AAC and WAVE.</div></li><li class="level1"><div class="li"> Play audio files mounted on Windows / Linux PC.</div></li><li class="level1"><div class="li"> Web interface for playing and selecting audio files.</div></li><li class="level1"><div class="li"> Options to Next/Prev audio file play supported.</div></li><li class="level1"><div class="li"> Status of current playing audio file on demand.</div></li><li class="level1"><div class="li"> Options to pause songs, repeat play list and random play are provided.</div></li></ol></div><!-- SECTION [266-635] --><h2><a name="enable_the_audio_node" id="enable_the_audio_node">Enable the Audio Node</a></h2><div class="level2"></div><!-- SECTION [636-670] --><h3><a name="kernel_settings" id="kernel_settings">Kernel Settings</a></h3><div class="level3"><ol><li class="level1"><div class="li"> Enable <a href="audio.html" class="wikilink1" title="audio.html">audio</a> in the kernel</div></li><li class="level1"><div class="li"> Enable <a href="enabling_smb.html" class="wikilink1" title="enabling_smb.html">Windows Networking</a> in the kernel</div></li></ol><p> <code>insmod</code></p></div><!-- SECTION [671-1043] --><h3><a name="application_settings" id="application_settings">Application Settings</a></h3><div class="level3"><ol><li class="level1"><div class="li"> Enable the following user applications<pre class="code"> Blackfin app programs ---> [*] Netaudio Filesystem Applications ---> [*] samba [*] smbmount [*] smbumount Network Applications ---> [*] boa-new(ver 0.94.14) BusyBox ---> [*] shell Library Configuration --> [*] Build faad2 [*] Build flac [*] Build tremor [*] Build libao-0.8.6 [*] Build libaudio [*] Build libmad [*] Build libid3tag</pre></div></li><li class="level1"><div class="li"> Build the kernel</div></li><li class="level1"><div class="li"> Load the image onto the Stamp board using uboot:</div><ol><li class="level2"><div class="li"> Copy the images/linux file into the tftp server</div></li><li class="level2"><div class="li"> Power on the STAMP board</div></li><li class="level2"><div class="li"> Configure the boot loader to download the image from the tftp server and boot it. Refer to the u-boot <a href="http://blackfin.uclinux.org/frs/download.php/502/Release_Notes_rc3.pdf" class="urlextern" title="http://blackfin.uclinux.org/frs/download.php/502/Release_Notes_rc3.pdf" rel="nofollow">release notes</a> for more details.</div></li></ol></li></ol></div><!-- SECTION [1044-1881] --><h2><a name="testing_server_setup" id="testing_server_setup">Testing Server Setup</a></h2><div class="level2"><p> Before running the Network Audio demo, some songs should be stored in a shared directory on your server machine. This machine can be a Windows or a Linux PC. The Network Audio demo will use samba to map the shared directory and load the songs to play.</p></div><h5><a name="for_windows_systems" id="for_windows_systems">For Windows systems:</a></h5><div class="level5"><ol><li class="level1"><div class="li"> Create a shared directory, say “MyMusic”. To share a directory, you can right-click your mouse on the directory in Windows and a menu will pop up. Select “Properties” then click on “Sharing” tab. The directory will be shared after you select “share this folder”.</div></li><li class="level1"><div class="li"> Create a sub-directory named “mp3” under the directory “MyMusic”. The sub-directory name must be “mp3”. If this sub-directory is not named “mp3”, then the Network Audio demo will fail to work.</div></li><li class="level1"><div class="li"> Copy your mp3 files to this new “mp3” sub-directoy.</div></li></ol></div><h5><a name="for_linux_systems" id="for_linux_systems">For Linux systems:</a></h5><div class="level5"><ol><li class="level1"><div class="li"> Make sure samba is installed on your Linux box. This is quite distro-specific so please see the documentation for your distro.</div></li><li class="level1"><div class="li"> Edit the smb.conf configuration file and create a new samba share. Generally this can be found in /etc/samba/ or /etc/config/ (depending on your distro).</div></li><li class="level1"><div class="li"> Start the samba server smbd. Generally this can be accomplished by running “/etc/init.d/smbd start”.</div></li><li class="level1"><div class="li"> Create a sub-directory named “mp3” under the new samba share. The sub-directory name must be “mp3”. If this sub-directory is not named “mp3”, then the Network Audio demo will fail to work.</div></li><li class="level1"><div class="li"> Copy your mp3 files to this new “mp3” sub-directory.</div></li></ol><p> “” </p></div><!-- SECTION [1882-3635] --><h2><a name="testing_the_node" id="testing_the_node">Testing The Node</a></h2><div class="level2"><p> 1. Configure your board’s IP address by typing one of the following commands:</p><pre class="code"> root:~> ifconfig eth0 my.ip.address</pre><p>or</p><pre class="code"> root:~> dhcpcd &</pre><p>For more information, see the <a href="setting_up_the_network.html" class="wikilink1" title="setting_up_the_network.html">Network Setup Page</a>.</p><p>2. Add some settings to your smb.conf to use smbmount more easily. To edit this file, run the following: </p><pre class="code"> root:~> vi ./etc/config/smb.conf</pre><p> If your machine is setup in a workgroup, you can use these settings: </p><pre class="code"> [global] workgroup = WORKGROUP encrypt passwords = yes</pre><p> If your machine is setup in a domain, you can use these settings: </p><pre class="code"> [global] workgroup = [name of domain] encrypt passwords = yes</pre><p> 3. Launch the web server. Here we use <a href="boa.html" class="wikilink1" title="boa.html">Boa</a>: </p><pre class="code"> boa -c /etc &</pre><p> 4. Open your web browser and browse to the board’s ip address, meaning something like <a href="http://ipaddress/" class="urlextern" title="http://ipaddress/" rel="nofollow">http://ipaddress/</a>. If all went well, you should see a welcome page outlining the features of the Network Audio Node.</p><p>5. Click on the “Samba Mount” link on the top of the page to mount the remote share full of mp3 files. </p><ul><li class="level1"><div class="li"> In the “Samba Source” textbox, enter: “//host.server.ip.address/shared.directory”</div></li><li class="level1"><div class="li"> Click the “Next” button</div></li><li class="level1"><div class="li"> Enter a username and password which has write access to the remote share</div></li><li class="level1"><div class="li"> Click the “Mount” button</div></li><li class="level1"><div class="li"> Hopefully the resulting screen should contain no errors</div></li><li class="level1"><div class="li"> Click the “Check Samba Status” link at the top of the page to verify everything is in order</div></li></ul><p> </p><p>6. Click on the “Start NetAudio” link an the top of the page to start the Network Audio server daemon.</p><p>7. Click on the “Direct Play” link an the top of the page to control the Network Audio Node.</p><p>8. Play some music!</p></div><!-- SECTION [3636-5556] --><h2><a name="playing_with_the_node" id="playing_with_the_node">Playing with the Node</a></h2><div class="level2"><ul><li class="level1"><div class="li"> <strong>Playing</strong></div><ul><li class="level2"><div class="li"> Click on the name of a song you wish to play from the file list</div></li></ul></li></ul><ul><li class="level1"><div class="li"> <strong>Adding to the Playlist</strong></div><ul><li class="level2"><div class="li"> Check the checkbox to select the files you wish to queue</div></li><li class="level2"><div class="li"> Click the “ADD” link to add them to the current playlist</div></li><li class="level2"><div class="li"> The selected files will appear in the current playlist table</div></li><li class="level2"><div class="li"> Click the play button to play the song, or you can simply click on the song in the playlist</div></li></ul></li></ul><ul><li class="level1"><div class="li"> <strong>Deleting from the Playlist</strong></div><ul><li class="level2"><div class="li"> To clear the playlist, click “CLEAR”</div></li></ul></li></ul><ul><li class="level1"><div class="li"> <strong>Saving the Playlist</strong></div><ul><li class="level2"><div class="li"> Click “SAVE” and you will be prompted for the filename</div></li><li class="level2"><div class="li"> Enter the file name and click OK</div></li><li class="level2"><div class="li"> The saved playlist will be listed in the playlist table</div></li><li class="level2"><div class="li"> You can load or delete the saved playlist</div></li></ul></li></ul></div><!-- SECTION [5557-6319] --><h2><a name="reference_information" id="reference_information">Reference Information</a></h2><div class="level2"><ul><li class="level1"><div class="li"> <strong>Web Functions</strong></div><ul><li class="level2"><div class="li"> “Samba Mount” - mount music shared directory</div></li><li class="level2"><div class="li"> “Start NetAudio” - start the Network Audio Media Node</div></li><li class="level2"><div class="li"> “Direct Play” - control the player</div></li><li class="level2"><div class="li"> “Stop NetAudio” - stop the Network Audio Media Node</div></li><li class="level2"><div class="li"> “Samba Unmount” - unmount the music shared directory</div></li><li class="level2"><div class="li"> “Check Samba status” - check samba status</div></li></ul></li></ul><ul><li class="level1"><div class="li"> <strong>Quick Procedure Reference</strong></div><ol><li class="level2"><div class="li"> Mount the music directory</div></li><li class="level2"><div class="li"> Start NetAudio</div></li><li class="level2"><div class="li"> Direct Play (To listen songs)</div></li><li class="level2"><div class="li"> Stop NetAudio</div></li><li class="level2"><div class="li"> Unmount Samba</div></li></ol></li></ul><ul><li class="level1"><div class="li"> <strong>Samba Status Info</strong></div><ul><li class="level2"><div class="li"> To check whether the samba mount is success or failure click on the link “Check Samba Status” found in the top of the page</div></li><li class="level2"><div class="li"> If the samba mount has been successful, then the message “smbmount found” will be displayed</div></li><li class="level2"><div class="li"> Otherwise, the “smbmount not found” will be displayed</div></li></ul></li></ul></div><!-- SECTION [6320-] --></body></html>⌨️ 快捷键说明
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