mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-11-04 08:04:12 +01:00
188 lines
6.3 KiB
JavaScript
188 lines
6.3 KiB
JavaScript
// webget.js
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//
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// (C) Copyright 2018 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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function Id(id)
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{
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return document.getElementById(id);
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}
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function GetMpegVersion(samprate)
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{
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mpeg_ver=1.0;
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switch(samprate) {
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case 32000:
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case 44100:
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case 48000:
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mpeg_ver=1.0;
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break;
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case 16000:
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case 22050:
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case 24000:
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mpeg_ver=2.0;
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break;
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case 8000:
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case 11025:
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case 12000:
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mpeg_ver=2.5;
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break;
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}
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return mpeg_ver;
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}
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function SetLayerII()
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{
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mpeg_ver=GetMpegVersion(parseInt(Id('samprate').value));
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if(mpeg_ver==1.0) {
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if(Id('channels').value=='1') {
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Id('bitrate').innerHTML=
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="48000" selected>48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n'+
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'<option value="80000">80 kbit/sec</option>\n'+
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'<option value="96000">96 kbit/sec</option>\n'+
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'<option value="112000">112 kbit/sec</option>\n'+
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'<option value="128000">128 kbit/sec</option>\n'+
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'<option value="160000">160 kbit/sec</option>\n'+
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'<option value="192000">192 kbit/sec</option>\n';
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}
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else {
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Id('bitrate').innerHTML=
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="48000" selected>48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n'+
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'<option value="80000">80 kbit/sec</option>\n'+
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'<option value="96000">96 kbit/sec</option>\n'+
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'<option value="112000">112 kbit/sec</option>\n'+
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'<option value="128000">128 kbit/sec</option>\n'+
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'<option value="160000">160 kbit/sec</option>\n'+
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'<option value="192000">192 kbit/sec</option>\n'+
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'<option value="224000">224 kbit/sec</option>\n'+
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'<option value="256000">256 kbit/sec</option>\n'+
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'<option value="320000">320 kbit/sec</option>\n'+
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'<option value="384000">384 kbit/sec</option>\n';
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}
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}
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if(mpeg_ver==2.0) {
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Id('bitrate').innerHTML=
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'<option value="8000">8 kbit/sec</option>\n'+
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'<option value="16000" selected>16 kbit/sec</option>\n'+
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'<option value="24000">24 kbit/sec</option>\n'+
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="40000">40 kbit/sec</option>\n'+
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'<option value="48000">48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n'+
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'<option value="80000">80 kbit/sec</option>\n'+
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'<option value="96000">96 kbit/sec</option>\n'+
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'<option value="112000">112 kbit/sec</option>\n'+
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'<option value="128000">128 kbit/sec</option>\n'+
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'<option value="144000">144 kbit/sec</option>\n'+
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'<option value="160000">160 kbit/sec</option>\n';
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}
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if(mpeg_ver==2.5) {
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Id('bitrate').innerHTML=
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'<option value="8000">8 kbit/sec</option>\n'+
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'<option value="16000" selected>16 kbit/sec</option>\n'+
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'<option value="24000">24 kbit/sec</option>\n'+
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="40000">40 kbit/sec</option>\n'+
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'<option value="48000">48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n';
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}
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}
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function SetLayerIII()
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{
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mpeg_ver=GetMpegVersion(parseInt(Id('samprate').value));
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if(mpeg_ver==1.0) {
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Id('bitrate').innerHTML=
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="40000" selected>40 kbit/sec</option>\n'+
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'<option value="48000">48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n'+
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'<option value="80000">80 kbit/sec</option>\n'+
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'<option value="96000">96 kbit/sec</option>\n'+
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'<option value="112000">112 kbit/sec</option>\n'+
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'<option value="128000">128 kbit/sec</option>\n'+
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'<option value="160000">160 kbit/sec</option>\n'+
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'<option value="192000">192 kbit/sec</option>\n'+
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'<option value="224000">224 kbit/sec</option>\n'+
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'<option value="256000">256 kbit/sec</option>\n'+
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'<option value="320000">320 kbit/sec</option>\n';
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}
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if(mpeg_ver==2.0) {
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Id('bitrate').innerHTML=
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'<option value="8000">8 kbit/sec</option>\n'+
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'<option value="16000" selected>16 kbit/sec</option>\n'+
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'<option value="24000">24 kbit/sec</option>\n'+
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="40000">40 kbit/sec</option>\n'+
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'<option value="48000">48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n'+
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'<option value="80000">80 kbit/sec</option>\n'+
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'<option value="96000">96 kbit/sec</option>\n'+
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'<option value="112000">112 kbit/sec</option>\n'+
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'<option value="128000">128 kbit/sec</option>\n'+
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'<option value="144000">144 kbit/sec</option>\n'+
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'<option value="160000">160 kbit/sec</option>\n';
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}
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if(mpeg_ver==2.5) {
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Id('bitrate').innerHTML=
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'<option value="8000">8 kbit/sec</option>\n'+
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'<option value="16000" selected>16 kbit/sec</option>\n'+
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'<option value="24000">24 kbit/sec</option>\n'+
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'<option value="32000">32 kbit/sec</option>\n'+
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'<option value="40000">40 kbit/sec</option>\n'+
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'<option value="48000">48 kbit/sec</option>\n'+
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'<option value="56000">56 kbit/sec</option>\n'+
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'<option value="64000">64 kbit/sec</option>\n';
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}
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}
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function samplerateChanged()
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{
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if(Id('format').value=='2') {
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SetLayerII();
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}
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if(Id('format').value=='3') {
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SetLayerIII();
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}
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}
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function formatChanged()
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{
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Id('bitrate').disabled=
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!((Id('format').value=="2")||
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(Id('format').value=="3"));
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Id('quality').disabled=Id('format').value!="5";
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samplerateChanged();
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}
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