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added volume control

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This commit is contained in:
Amish Shah
2015-12-12 17:52:25 +00:00
parent df368168ee
commit d66b765933
5 changed files with 56 additions and 58 deletions
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37
src/Voice/AudioEncoder.js
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@@ -41,7 +41,7 @@ export default class AudioEncoder {
return "help";
}
encodeStream(stream, callback = function (err, buffer) { }) {
encodeStream(stream, options) {
var self = this;
return new Promise((resolve, reject) => {
var enc = cpoc.spawn(self.getCommand(), [
@@ -50,18 +50,13 @@ export default class AudioEncoder {
'-f', 's16le',
'-ar', '48000',
'-ac', 2,
'pipe:1'
'pipe:1',
'-af', 'volume=' + (options.volume || 1)
], {stdio: ['pipe', 'pipe', 'ignore']});
stream.pipe(enc.stdin);
enc.stdout.once("readable", function () {
callback(null, {
proc: enc,
stream: enc.stdout,
instream: stream,
channels : 2
});
resolve({
proc: enc,
stream: enc.stdout,
@@ -71,18 +66,16 @@ export default class AudioEncoder {
});
enc.stdout.on("end", function () {
callback("end");
reject("end");
});
enc.stdout.on("close", function () {
callback("close");
reject("close");
});
});
}
encodeFile(file, callback = function (err, buffer) { }) {
encodeFile(file, options) {
var self = this;
return new Promise((resolve, reject) => {
var enc = cpoc.spawn(self.getCommand(), [
@@ -91,15 +84,21 @@ export default class AudioEncoder {
'-f', 's16le',
'-ar', '48000',
'-ac', 2,
'pipe:1'
], {stdio: ['pipe', 'pipe', 'ignore']});
'pipe:1',
'-af', '"volume=' + (options.volume || 1)+'"'
], { stdio: ['pipe', 'pipe', 'ignore'] });
console.log([
'-loglevel', '0',
'-i', file,
'-f', 's16le',
'-ar', '48000',
'-af', '"volume=' + (options.volume || 1) + '"',
'-ac', 2,
'pipe:1',
].join(" "));
enc.stdout.once("readable", function () {
callback(null, {
proc: enc,
stream: enc.stdout,
channels : 2
});
resolve({
proc: enc,
stream: enc.stdout,
@@ -109,13 +108,11 @@ export default class AudioEncoder {
enc.stdout.on("end", function () {
console.log("end");
callback("end");
reject("end");
});
enc.stdout.on("close", function () {
console.log("close");
callback("close");
reject("close");
});
});