piano: mp3 support

Breaks api

3 files changed, 43 insertions, 7 deletions

diff --git a/libpiano/src/main.c b/libpiano/src/main.c
index 219aad5..6cb6bad 100644
--- a/libpiano/src/main.c
+++ b/libpiano/src/main.c
@@ -44,6 +44,7 @@ THE SOFTWARE.
 /* prototypes */
 PianoReturn_t PianoAddFeedback (PianoHandle_t *, const char *, const char *,
 		const char *, const char *, const char *, PianoSongRating_t);
+const char *PianoAudioFormatToString (PianoAudioFormat_t);
 
 /*	more "secure" free version; only use this function, not original free ()
  *	in this library
@@ -271,7 +272,8 @@ PianoReturn_t PianoGetStations (PianoHandle_t *ph) {
  *	@param piano handle
  *	@param station id
  */
-PianoReturn_t PianoGetPlaylist (PianoHandle_t *ph, const char *stationId) {
+PianoReturn_t PianoGetPlaylist (PianoHandle_t *ph, const char *stationId,
+		PianoAudioFormat_t format) {
 	char xmlSendBuf[PIANO_SEND_BUFFER_SIZE], url[PIANO_URL_BUFFER_SIZE];
 	char *requestStr, *retStr;
 	PianoReturn_t ret;
@@ -286,14 +288,15 @@ PianoReturn_t PianoGetPlaylist (PianoHandle_t *ph, const char *stationId) {
 			"<param><value><string>0</string></value></param>"
 			"<param><value><string></string></value></param>"
 			"<param><value><string></string></value></param>"
-			"<param><value><string>aacplus</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
 			"</params></methodCall>", time (NULL), ph->user.authToken,
-			stationId);
+			stationId, PianoAudioFormatToString (format));
 	requestStr = PianoEncryptString (xmlSendBuf);
 	snprintf (url, sizeof (url), PIANO_RPC_URL
 			"rid=%s&lid=%s&method=getFragment&arg1=%s&arg2=0"
-			"&arg3=0&arg4=&arg5=&arg6=aacplus", ph->routeId,
-			ph->user.listenerId, stationId);
+			"&arg3=0&arg4=&arg5=&arg6=%s", ph->routeId,
+			ph->user.listenerId, stationId,
+			PianoAudioFormatToString (format));
 
 	if ((ret = PianoHttpPost (ph->curlHandle, url, requestStr, &retStr)) ==
 			PIANO_RET_OK) {
@@ -882,3 +885,24 @@ const char *PianoErrorToStr (PianoReturn_t ret) {
 			break;
 	}
 }
+
+/*	convert audio format id to string that can be used in xml requests
+ *	@param format id
+ *	@return constant string
+ */
+const char *PianoAudioFormatToString (PianoAudioFormat_t format) {
+	switch (format) {
+		case PIANO_AF_AACPLUS:
+			return "aacplus";
+			break;
+
+		case PIANO_AF_MP3:
+			return "mp3";
+			break;
+
+		default:
+			return NULL;
+			break;
+	}
+}
+
diff --git a/libpiano/src/piano.h b/libpiano/src/piano.h
index f540d8b..cc92c38 100644
--- a/libpiano/src/piano.h
+++ b/libpiano/src/piano.h
@@ -73,6 +73,10 @@ typedef struct PianoStation PianoStation_t;
 enum PianoSongRating {PIANO_RATE_BAN, PIANO_RATE_LOVE, PIANO_RATE_NONE};
 typedef enum PianoSongRating PianoSongRating_t;
 
+/* UNKNOWN should be 0, because memset sets audio format to 0 */
+typedef enum {PIANO_AF_UNKNOWN = 0, PIANO_AF_AACPLUS, PIANO_AF_MP3}
+		PianoAudioFormat_t;
+
 struct PianoSong {
 	char *artist;
 	//char **genre;
@@ -105,6 +109,7 @@ struct PianoSong {
 	char *focusTraitId;
 	char *identity;
 	//int score; /* only used for search results */
+	PianoAudioFormat_t audioFormat;
 	struct PianoSong *next;
 };
 
@@ -165,7 +170,8 @@ PianoReturn_t PianoConnect (PianoHandle_t *ph, const char *user,
 		const char *password, char secureLogin);
 
 PianoReturn_t PianoGetStations (PianoHandle_t *ph);
-PianoReturn_t PianoGetPlaylist (PianoHandle_t *ph, const char *stationId);
+PianoReturn_t PianoGetPlaylist (PianoHandle_t *ph, const char *stationId,
+		PianoAudioFormat_t);
 
 PianoReturn_t PianoRateTrack (PianoHandle_t *ph, PianoSong_t *song,
 		PianoSongRating_t rating);
diff --git a/libpiano/src/xml.c b/libpiano/src/xml.c
index 71b6bb1..847bc49 100644
--- a/libpiano/src/xml.c
+++ b/libpiano/src/xml.c
@@ -290,7 +290,13 @@ void PianoXmlParsePlaylistCb (const char *key, const xmlNode *value,
 		song->album = strdup (valueStr);
 	} else if (strcmp ("fileGain", key) == 0) {
 		song->fileGain = atof (valueStr);
-	}
+	} else if (strcmp ("audioEncoding", key) == 0) {
+		if (strcmp (valueStr, "aacplus") == 0) {
+			song->audioFormat = PIANO_AF_AACPLUS;
+		} else if (strcmp (valueStr, "mp3") == 0) {
+			song->audioFormat = PIANO_AF_MP3;
+		}
+ 	}
 }
 
 /*	parses userinfos sent by pandora as login response