merge with mpd/trunk up to r3925

git-svn-id: https://svn.musicpd.org/mpd/trunk@3926 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 426 insertions, 0 deletions

diff --git a/src/inputPlugins/oggvorbis_plugin.c b/src/inputPlugins/oggvorbis_plugin.c
new file mode 100644
index 000000000..63bac411e
--- /dev/null
+++ b/src/inputPlugins/oggvorbis_plugin.c
@@ -0,0 +1,426 @@
+/* the Music Player Daemon (MPD)
+ * (c)2003-2004 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
+ */
+
+/* TODO 'ogg' should probably be replaced with 'oggvorbis' in all instances */
+
+#include "../inputPlugin.h"
+
+#ifdef HAVE_OGGVORBIS
+
+#include "_ogg_common.h"
+
+#include "../utils.h"
+#include "../audio.h"
+#include "../log.h"
+#include "../pcm_utils.h"
+#include "../inputStream.h"
+#include "../outputBuffer.h"
+#include "../replayGain.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef HAVE_TREMOR
+#include <vorbis/vorbisfile.h>
+#else
+#include <tremor/ivorbisfile.h>
+/* Macros to make Tremor's API look like libogg. Tremor always
+   returns host-byte-order 16-bit signed data, and uses integer
+   milliseconds where libogg uses double seconds. 
+*/
+#define ov_read(VF, BUFFER, LENGTH, BIGENDIANP, WORD, SGNED, BITSTREAM) \
+        ov_read(VF, BUFFER, LENGTH, BITSTREAM)
+#define ov_time_total(VF, I) ((double)ov_time_total(VF, I)/1000)
+#define ov_time_tell(VF) ((double)ov_time_tell(VF)/1000)
+#define ov_time_seek_page(VF, S) (ov_time_seek_page(VF, (S)*1000))
+#endif /* HAVE_TREMOR */
+
+#include <errno.h>
+
+#ifdef WORDS_BIGENDIAN
+#define OGG_DECODE_USE_BIGENDIAN	1
+#else
+#define OGG_DECODE_USE_BIGENDIAN	0
+#endif
+
+typedef struct _OggCallbackData {
+        InputStream * inStream;
+        DecoderControl * dc;
+} OggCallbackData;
+
+size_t ogg_read_cb(void * ptr, size_t size, size_t nmemb, void * vdata)
+{
+	size_t ret = 0;
+        OggCallbackData * data = (OggCallbackData *)vdata;
+
+        while(1) {
+	        ret = readFromInputStream(data->inStream,ptr,size,nmemb);
+                if(ret == 0 && !inputStreamAtEOF(data->inStream) && 
+                                !data->dc->stop) 
+                {
+                        my_usleep(10000);
+                }
+                else break;
+        }
+        errno = 0;
+	/*if(ret<0) errno = ((InputStream *)inStream)->error;*/
+
+	return ret;
+}
+
+int ogg_seek_cb(void * vdata, ogg_int64_t offset, int whence) {
+        OggCallbackData * data = (OggCallbackData *)vdata;
+
+	return seekInputStream(data->inStream,offset,whence);
+}
+
+int ogg_close_cb(void * vdata) {
+        OggCallbackData * data = (OggCallbackData *)vdata;
+
+	return closeInputStream(data->inStream);
+}
+
+long ogg_tell_cb(void * vdata) {
+        OggCallbackData * data = (OggCallbackData *)vdata;
+
+	return (long)(data->inStream->offset);
+}
+
+static inline char * ogg_parseComment(char * comment, char * needle) {
+        int len = strlen(needle);
+
+        if(strncasecmp(comment, needle, len) == 0 && *(comment+len) == '=') {
+		return comment+len+1;
+	}
+
+        return NULL;
+}
+
+void ogg_getReplayGainInfo(char ** comments, ReplayGainInfo ** infoPtr) {
+        char * temp;
+	int found = 0;
+
+	if(*infoPtr) freeReplayGainInfo(*infoPtr);
+	*infoPtr = newReplayGainInfo();
+
+        while(*comments) {
+                if((temp = ogg_parseComment(*comments,"replaygain_track_gain"))) 
+                {
+                        (*infoPtr)->trackGain = atof(temp);
+			found = 1;
+                }
+                else if((temp = ogg_parseComment(*comments,
+                                        "replaygain_album_gain"))) 
+                {
+                        (*infoPtr)->albumGain = atof(temp);
+			found = 1;
+                }
+                else if((temp = ogg_parseComment(*comments,
+                                        "replaygain_track_peak"))) 
+                {
+                        (*infoPtr)->trackPeak = atof(temp);
+			found = 1;
+                }
+                else if((temp = ogg_parseComment(*comments,
+                                        "replaygain_album_peak"))) 
+                {
+                        (*infoPtr)->albumPeak = atof(temp);
+			found = 1;
+                }
+
+                comments++;
+        }
+
+	if(!found) {
+		freeReplayGainInfo(*infoPtr);
+		*infoPtr = NULL;
+	}
+}
+
+static const char * VORBIS_COMMENT_TRACK_KEY = "tracknumber";
+
+static inline unsigned int ogg_parseCommentAddToTag(char * comment,
+		unsigned int itemType, MpdTag ** tag)
+{
+	const char * needle = (itemType == TAG_ITEM_TRACK) ?
+			VORBIS_COMMENT_TRACK_KEY : mpdTagItemKeys[itemType];
+	unsigned int len = strlen(needle);
+	
+	if(strncasecmp(comment, needle, len) == 0 && *(comment+len) == '=') {
+		if (!*tag)
+			*tag = newMpdTag();
+		
+		addItemToMpdTag(*tag, itemType, comment+len+1);
+		
+		return 1;
+	}
+	
+	return 0;
+}
+
+static MpdTag * oggCommentsParse(char ** comments) {
+	MpdTag * tag = NULL;
+	
+	while(*comments) {
+		unsigned int j;
+		for (j = TAG_NUM_OF_ITEM_TYPES; j--; ) {
+			if (ogg_parseCommentAddToTag(*comments, j, &tag))
+				break;
+		}
+		comments++;
+	}
+	
+	return tag;
+}
+
+void putOggCommentsIntoOutputBuffer(OutputBuffer * cb, char * streamName,
+		char ** comments) 
+{
+	MpdTag * tag;
+
+	tag = oggCommentsParse(comments);
+	if(!tag && streamName) {
+		tag = newMpdTag();
+	}
+	if(!tag) return;
+
+	/*if(tag->artist) printf("Artist: %s\n", tag->artist);
+	if(tag->album) printf("Album: %s\n", tag->album);
+	if(tag->track) printf("Track: %s\n", tag->track);
+	if(tag->title) printf("Title: %s\n", tag->title);*/
+
+	if(streamName) {
+		clearItemsFromMpdTag(tag, TAG_ITEM_NAME);
+		addItemToMpdTag(tag, TAG_ITEM_NAME, streamName);
+	}
+
+	copyMpdTagToOutputBuffer(cb, tag);
+
+	freeMpdTag(tag);
+}
+
+/* public */
+int oggvorbis_decode(OutputBuffer * cb, DecoderControl * dc,
+		InputStream * inStream)
+{
+	OggVorbis_File vf;
+	ov_callbacks callbacks;
+        OggCallbackData data;
+	int current_section;
+	int prev_section = -1;
+	int eof = 0;
+	long ret;
+#define OGG_CHUNK_SIZE 4096
+	char chunk[OGG_CHUNK_SIZE];
+	int chunkpos = 0;
+	long bitRate = 0;
+	long test;
+        ReplayGainInfo * replayGainInfo = NULL;
+	char ** comments;
+
+        data.inStream = inStream;
+        data.dc = dc;
+
+	callbacks.read_func = ogg_read_cb;
+	callbacks.seek_func = ogg_seek_cb;
+	callbacks.close_func = ogg_close_cb;
+	callbacks.tell_func = ogg_tell_cb;
+	
+	if((ret = ov_open_callbacks(&data, &vf, NULL, 0, callbacks)) < 0) {
+		closeInputStream(inStream);
+		if(!dc->stop) {
+		        ERROR("Error decoding Ogg Vorbis stream: ");
+			switch(ret) {
+			case OV_EREAD:
+				ERROR("read error\n");
+				break;
+			case OV_ENOTVORBIS:
+				ERROR("not vorbis stream\n");
+				break;
+			case OV_EVERSION:
+				ERROR("vorbis version mismatch\n");
+				break;
+			case OV_EBADHEADER:
+				ERROR("invalid vorbis header\n");
+				break;
+			case OV_EFAULT:
+				ERROR("internal logic error\n");
+				break;
+			default:
+				ERROR("unknown error\n");
+				break;
+			}
+                        return -1;
+                }
+                else {
+                        dc->state = DECODE_STATE_STOP;
+                        dc->stop = 0;
+                }
+                return 0;
+	}
+	
+	dc->totalTime = ov_time_total(&vf,-1);
+       	if(dc->totalTime < 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 * oggvorbis_TagDup(char * file) {
+	MpdTag * ret = NULL;
+	FILE * fp;
+	OggVorbis_File vf;
+
+	fp = fopen(file,"r"); 
+	if(!fp)
+	{
+		DEBUG("oggTagDup: Failed to open file: '%s', %s\n", file, strerror(errno));
+		 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;	
+}
+
+static unsigned int oggvorbis_try_decode(InputStream * inStream)
+{
+	return (ogg_stream_type_detect(inStream) == VORBIS) ? 1 : 0;
+}
+
+
+static char * oggvorbis_Suffixes[] = {"ogg", NULL};
+static char * oggvorbis_MimeTypes[] = {"application/ogg", NULL};
+
+InputPlugin oggvorbisPlugin =
+{
+	"oggvorbis",
+	NULL,
+	NULL,
+	oggvorbis_try_decode,
+	oggvorbis_decode,
+	NULL,
+	oggvorbis_TagDup,
+	INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
+	oggvorbis_Suffixes,
+	oggvorbis_MimeTypes
+};
+
+#else /* !HAVE_OGGVORBIS */
+
+InputPlugin oggvorbisPlugin =
+{
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	0,
+	NULL,
+	NULL,
+};
+
+#endif /* HAVE_OGGVORBIS */