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-rw-r--r--src/inputPlugins/mpc_plugin.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/src/inputPlugins/mpc_plugin.c b/src/inputPlugins/mpc_plugin.c
new file mode 100644
index 000000000..f2c84b22c
--- /dev/null
+++ b/src/inputPlugins/mpc_plugin.c
@@ -0,0 +1,280 @@
+/* the Music Player Daemon (MPD)
+ * (c)2003-2005 by Warren Dukes (shank@mercury.chem.pitt.edu)
+ * This project's homepage is: http://www.musicpd.org
+ *
+ * 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 "../inputPlugin.h"
+
+#ifdef HAVE_MPC
+
+#include "../utils.h"
+#include "../audio.h"
+#include "../log.h"
+#include "../pcm_utils.h"
+#include "../inputStream.h"
+#include "../outputBuffer.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <musepack/musepack.h>
+#include <errno.h>
+
+typedef struct _MpcCallbackData {
+ InputStream * inStream;
+ DecoderControl * dc;
+} MpcCallbackData;
+
+/* this is just for tag parsing for db import! */
+int getMpcTotalTime(char * file) {
+ int totalTime = 0
+
+ return totalTime;
+}
+
+mpc_int32_t mpc_read_cb(void * vdata, void * ptr, size_t size) {
+ mpc_int32_t ret = 0;
+ OggCallbackData * data = (OggCallbackData *)vdata;
+
+ while(1) {
+ ret = readFromInputStream(data->inStream, ptr, size, 1);
+ if(ret == 0 && !inputStreamAtEOF(data->inStream) &&
+ !data->dc->stop)
+ {
+ my_usleep(10000);
+ }
+ else break;
+ }
+
+ return ret;
+}
+
+static mpc_bool_t ogg_seek_cb(void * vdata, ogg_int64_t offset) {
+ OggCallbackData * data = (OggCallbackData *)vdata;
+
+ return data->inStream->seekable ?
+ !seekInputStream(data->inStream , offset, SEEK_SET) :
+ false;
+}
+
+mpd_int32_t mpc_tell_cb(void * vdata) {
+ OggCallbackData * data = (OggCallbackData *)vdata;
+
+ return (long)(data->inStream->offset);
+}
+
+mpc_bool_t mpc_canseek_cb(void * vdata) {
+ OggCallbackData * data = (OggCallbackData *)vdata;
+
+ return data->inStream->seekable;
+}
+
+mpc_int32_t mpc_getsize_cb(void * vdata) {
+ OggCallbackData * data = (OggCallbackData *)vdata;
+
+ return data->inStream->size;
+}
+
+int mpc_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
+{
+ mpc_decoder decoder;
+ mpc_reader reader;
+ mpc_streaminfo info;
+
+ MpcCallbackData data;
+ data.inStream = inStream;
+ data.dc = dc;
+
+ int eof = 0;
+ long ret;
+#define MPC_CHUNK_SIZE 4096
+ char chunk[MPC_CHUNK_SIZE];
+ int chunkpos = 0;
+ long bitRate = 0;
+ char ** comments;
+
+ data.inStream = inStream;
+ data.dc = dc;
+
+ reader.read = mpc_read_cb;
+ reader.seek = mpc_seek_cb;
+ reader.tell = mpc_tell_cb;
+ reader.get_size = mpc_getsize_cb;
+ reader.canseek = mpc_canseek_cb;
+ reader.data = &data;
+
+ mpc_streaminfo_init(&info);
+
+ if(mpc_streaminfo_read(&info, &reader) != ERROR_CODE_OK) {
+ closeInputStream(inStream);
+ if(!dc->stop) {
+ ERROR("Not a valid musepack stream");
+ }
+ else {
+ dc->state = DECODE_STATE_STOP;
+ dc->stop = 0;
+ }
+ return 0;
+ }
+
+ mpc_decoder_setup(&decoder, &reader);
+ if(!mpc_decoder_initialize(&decoder, &info)) {
+ closeInputStream(inStream);
+ if(!dc->stop) {
+ ERROR("Not a valid musepack stream");
+ }
+ else {
+ dc->state = DECODE_STATE_STOP;
+ dc->stop = 0;
+ }
+ }
+
+ dc->totalTime = 0;
+
+ dc->audioFormat.bits = 16;
+
+ while(!eof) {
+ if(dc->seek) {
+ if(0 == ov_time_seek_page(&vf,dc->seekWhere)) {
+ clearOutputBuffer(cb);
+ chunkpos = 0;
+ }
+ else dc->seekError = 1;
+ dc->seek = 0;
+ }
+ ret = ov_read(&vf, chunk+chunkpos,
+ OGG_CHUNK_SIZE-chunkpos,
+ OGG_DECODE_USE_BIGENDIAN,
+ 2, 1, &current_section);
+
+ if(current_section!=prev_section) {
+ /*printf("new song!\n");*/
+ vorbis_info *vi=ov_info(&vf,-1);
+ dc->audioFormat.channels = vi->channels;
+ dc->audioFormat.sampleRate = vi->rate;
+ if(dc->state == DECODE_STATE_START) {
+ getOutputAudioFormat(&(dc->audioFormat),
+ &(cb->audioFormat));
+ dc->state = DECODE_STATE_DECODE;
+ }
+ comments = ov_comment(&vf, -1)->user_comments;
+ putOggCommentsIntoOutputBuffer(cb, inStream->metaName,
+ comments);
+ ogg_getReplayGainInfo(comments, &replayGainInfo);
+ }
+
+ prev_section = current_section;
+
+ if(ret <= 0 && ret != OV_HOLE) {
+ eof = 1;
+ break;
+ }
+ if(ret == OV_HOLE) ret = 0;
+
+ chunkpos+=ret;
+
+ if(chunkpos >= OGG_CHUNK_SIZE) {
+ if((test = ov_bitrate_instant(&vf))>0) {
+ bitRate = test/1000;
+ }
+ sendDataToOutputBuffer(cb, inStream, dc,
+ inStream->seekable,
+ chunk, chunkpos,
+ ov_pcm_tell(&vf)/
+ dc->audioFormat.sampleRate,
+ bitRate,
+ replayGainInfo);
+ chunkpos = 0;
+ if(dc->stop) break;
+ }
+ }
+
+ if(!dc->stop && chunkpos > 0) {
+ sendDataToOutputBuffer(cb, NULL, dc, inStream->seekable,
+ chunk, chunkpos,
+ ov_time_tell(&vf), bitRate, replayGainInfo);
+ }
+
+ if(replayGainInfo) freeReplayGainInfo(replayGainInfo);
+
+ ov_clear(&vf);
+
+ flushOutputBuffer(cb);
+
+ if(dc->stop) {
+ dc->state = DECODE_STATE_STOP;
+ dc->stop = 0;
+ }
+ else dc->state = DECODE_STATE_STOP;
+
+ return 0;
+}
+
+MpdTag * oggTagDup(char * file) {
+ MpdTag * ret = NULL;
+ FILE * fp;
+ OggVorbis_File vf;
+
+ fp = fopen(file,"r");
+ if(!fp) return NULL;
+ if(ov_open(fp,&vf,NULL,0)<0) {
+ fclose(fp);
+ return NULL;
+ }
+
+ ret = oggCommentsParse(ov_comment(&vf,-1)->user_comments);
+
+ if(!ret) ret = newMpdTag();
+ ret->time = (int)(ov_time_total(&vf,-1)+0.5);
+
+ ov_clear(&vf);
+
+ return ret;
+}
+
+char * oggSuffixes[] = {"ogg", NULL};
+char * oggMimeTypes[] = {"application/ogg", NULL};
+
+InputPlugin oggPlugin =
+{
+ "ogg",
+ NULL,
+ NULL,
+ ogg_decode,
+ NULL,
+ oggTagDup,
+ INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
+ oggSuffixes,
+ oggMimeTypes
+};
+
+#else
+
+InputPlugin oggPlugin =
+{
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL
+};
+
+#endif
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