Patch to make the configure flag for mpd-mad and mpd-libid3tag more logic (from ticho)

git-svn-id: https://svn.musicpd.org/mpd/trunk@3477 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/inputPlugins/aac_plugin.c

@@ -405,6 +405,9 @@ MpdTag * aacTagDup(char * file) {
 		if((ret = id3Dup(file))==NULL) ret = newMpdTag();
 		ret->time = time;
 	}
+	else {
+		DEBUG("aacTagDup: Failed to get total song time from: %s\n", file);
+	}
 
 	return ret;
 }

src/inputPlugins/audiofile_plugin.c

@@ -148,6 +148,9 @@ MpdTag * audiofileTagDup(char * file) {
 		if(!ret) ret = newMpdTag();
 		ret->time = time;
 	}
+	else {
+		DEBUG("audiofileTagDup: Failed to get total song time from: %s\n", file);
+	}
 
 	return ret;
 }

src/inputPlugins/flac_plugin.c

@@ -533,6 +533,19 @@ MpdTag * flacMetadataDup(char * file, int * vorbisCommentFound) {
 
 	it = FLAC__metadata_simple_iterator_new();
 	if(!FLAC__metadata_simple_iterator_init(it, file ,1,0)) {
+		switch(FLAC__metadata_simple_iterator_status(it)) {
+			case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT:
+				DEBUG("flacMetadataDup: Reading '%s' metadata gave the following error: Illegal Input\n",file);
+				break;
+			case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE:
+				DEBUG("flacMetadataDup: Reading '%s' metadata gave the following error: Error Opening File\n",file);
+				break;
+			case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE:
+				DEBUG("flacMetadataDup: Reading '%s' metadata gave the following error: Not A Flac File\n",file);
+				break;
+			default:
+				DEBUG("flacMetadataDup: Reading '%s' metadata failed\n",file);
+		}
 		FLAC__metadata_simple_iterator_delete(it);
 		return ret;
 	}
@@ -564,7 +577,10 @@ MpdTag * flacTagDup(char * file) {
 	int foundVorbisComment = 0;
 
 	ret = flacMetadataDup(file, &foundVorbisComment);
-	if(!ret) return NULL;
+	if(!ret) {
+		DEBUG("flacTagDup: Failed to grab information from: %s\n", file);
+		return NULL;
+	}
 	if(!foundVorbisComment) {
 		MpdTag * temp = id3Dup(file);
 		if(temp) {

src/inputPlugins/mod_plugin.c

@@ -212,10 +212,17 @@ MpdTag * modTagDup(char * file) {
 	MODULE * moduleHandle;
 	char * title;
 
-	if(mod_initMikMod() < 0) return NULL;
+	if(mod_initMikMod() < 0) {
+		DEBUG("modTagDup: Failed to initialize MikMod\n");
+		return NULL;
+	}
 
-	if(!(moduleHandle = Player_Load(file, 128, 0))) goto fail;
+	if(!(moduleHandle = Player_Load(file, 128, 0))) {
+		DEBUG("modTagDup: Failed to open file: %s\n",file);
+		MikMod_Exit();
+		return NULL;
 
+	}
 	Player_Free(moduleHandle);
 
 	ret = newMpdTag();
@@ -224,7 +231,6 @@ MpdTag * modTagDup(char * file) {
 	title = strdup(Player_LoadTitle(file));
 	if(title) addItemToMpdTag(ret, TAG_ITEM_TITLE, title);
 
-fail:
 	MikMod_Exit();
 
 	return ret;

src/inputPlugins/mp3_plugin.c

@@ -756,6 +756,9 @@ MpdTag * mp3_tagDup(char * file) {
 		if(!ret) ret = newMpdTag();
 		ret->time = time;
 	}
+	else {
+		DEBUG("mp3_tagDup: Failed to get total song time from: %s\n", file);
+	}
 
 	return ret;
 }

src/inputPlugins/mp4_plugin.c

@@ -326,7 +326,10 @@ MpdTag * mp4DataDup(char * file, int * mp4MetadataFound) {
 
 	*mp4MetadataFound = 0;
 	
-	if(openInputStream(&inStream, file) < 0) return NULL;
+	if(openInputStream(&inStream, file) < 0) {
+		DEBUG("mp4DataDup: Failed to open file: %s\n", file);
+		return NULL;
+	}
 
 	cb = malloc(sizeof(mp4ff_callback_t));
 	cb->read = mp4_inputStreamReadCallback;

src/inputPlugins/mpc_plugin.c

@@ -294,7 +294,10 @@ static float mpcGetTime(char * file) {
 
 	mpc_streaminfo_init(&info);
 
-	if(openInputStream(&inStream, file) < 0) return -1;
+	if(openInputStream(&inStream, file) < 0) {
+		DEBUG("mpcGetTime: Failed to open file: %s\n", file);
+		return -1;
+	}
 	
 	if(mpc_streaminfo_read(&info, &reader) != ERROR_CODE_OK) {
 		closeInputStream(&inStream);
@@ -312,7 +315,10 @@ static MpdTag * mpcTagDup(char * file) {
 	MpdTag * ret = NULL;
 	float time = mpcGetTime(file);
 
-	if(time < 0) return NULL;
+	if(time < 0) {
+		DEBUG("mpcTagDup: Failed to get Songlength of file: %s\n",file);
+	 	return NULL;
+	}
 
 	ret = apeDup(file);
 	if(!ret) ret = id3Dup(file);

src/inputPlugins/ogg_plugin.c

@@ -366,7 +366,11 @@ MpdTag * oggTagDup(char * file) {
 	OggVorbis_File vf;
 
 	fp = fopen(file,"r"); 
-	if(!fp) return NULL;
+	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;