--- a
+++ b/mpd2src/pcmencoder.cpp
@@ -0,0 +1,84 @@
+/* Copyright (C) 2015-2018 J.F.Dockes
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "pcmencoder.h"
+#include "audioutil.h"
+#include "log.h"
+
+#ifdef DEBUG_ENCODER
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+
+using namespace std;
+
+PcmEncoder::PcmEncoder(AudioReader* audioReader, OhmSenderDriver *ohmSender,
+ unsigned packetBytes)
+ : AudioEncoder(audioReader, ohmSender, true, "PCM"),
+ m_packetBytes(packetBytes)
+{
+ LOGDEB("New PCM encoder\n");
+
+#ifdef DEBUG_ENCODER
+ dumpfd = open("/tmp/mpd2dump.pcm", O_WRONLY|O_CREAT|O_TRUNC, 0666);
+#endif
+}
+
+PcmEncoder::~PcmEncoder()
+{
+ LOGDEB("Delete PCM encoder\n");
+
+#ifdef DEBUG_ENCODER
+ if (dumpfd > 0)
+ close(dumpfd);
+#endif
+}
+
+void PcmEncoder::start()
+{
+ LOGDEB("Start PCM encoder\n");
+}
+
+int PcmEncoder::encode(const unsigned char *buffer, unsigned num_bytes, bool halt)
+{
+ if (num_bytes > 0) {
+ unsigned missing_bytes = m_packetBytes - num_bytes;
+ if (missing_bytes > 0) {
+ LOGDEB("PcmEncoder::encode: inserting " << missing_bytes << " bytes\n");
+ memset((void*)(buffer + num_bytes), 0, missing_bytes);
+ }
+
+ if (m_audioReader->needswap())
+ swapSamples((unsigned char*)buffer, m_audioReader->bytesPerSample(),
+ m_packetBytes / m_audioReader->bytesPerSample());
+ }
+
+ m_ohmSender->SendAudio((const TByte*)buffer, (TUint)num_bytes, (TBool)halt);
+
+#ifdef DEBUG_ENCODER
+ if (dumpfd > 0)
+ write(dumpfd, buffer, num_bytes);
+#endif
+
+ return num_bytes;
+}
+
+void PcmEncoder::finish()
+{
+ LOGDEB("Finish PCM encoder\n");
+}