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/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**********/
// "liveMedia"
// Copyright (c) 1996-2004 Live Networks, Inc. All rights reserved.
// MP3 Transcoder
// Implementation
#include "MP3Transcoder.hh"
MP3Transcoder::MP3Transcoder(UsageEnvironment& env,
MP3ADUTranscoder* aduTranscoder)
: MP3FromADUSource(env, aduTranscoder, False) {
}
MP3Transcoder::~MP3Transcoder() {
}
MP3Transcoder* MP3Transcoder::createNew(UsageEnvironment& env,
unsigned outBitrate /* in kbps */,
FramedSource* inputSource) {
MP3Transcoder* newSource = NULL;
do {
// Create the intermediate filters that help implement the transcoder:
ADUFromMP3Source* aduFromMP3
= ADUFromMP3Source::createNew(env, inputSource, False);
// Note: This also checks that "inputSource" is an MP3 source
if (aduFromMP3 == NULL) break;
MP3ADUTranscoder* aduTranscoder
= MP3ADUTranscoder::createNew(env, outBitrate, aduFromMP3);
if (aduTranscoder == NULL) break;
// Then create the transcoder itself:
newSource = new MP3Transcoder(env, aduTranscoder);
} while (0);
return newSource;
}
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