diff data/fileio/MP3FileReader.h @ 1288:5ef9b4d4bbdb 3.0-integration

Filter out Xing/LAME info frames, rather than letting them go to the mp3 decoder as if they were audio frames. Fixes the 1152-sample zero pad at start of some decoded mp3 files (distinct from decoder delay). The logic here is based on the madplay code.

--- a/data/fileio/MP3FileReader.h	Wed Nov 23 14:51:03 2016 +0000
+++ b/data/fileio/MP3FileReader.h	Thu Nov 24 13:32:04 2016 +0000
@@ -71,6 +71,7 @@
     sv_frame_t m_fileSize;
     double m_bitrateNum;
     int m_bitrateDenom;
+    int m_mp3FrameCount;
     int m_completion;
     bool m_done;
 
@@ -86,16 +87,21 @@
     struct DecoderData
     {
 	unsigned char const *start;
-	unsigned long length;
+	sv_frame_t length;
 	MP3FileReader *reader;
     };
 
     bool decode(void *mm, sv_frame_t sz);
+    enum mad_flow filter(struct mad_stream const *, struct mad_frame *);
     enum mad_flow accept(struct mad_header const *, struct mad_pcm *);
 
-    static enum mad_flow input(void *, struct mad_stream *);
-    static enum mad_flow output(void *, struct mad_header const *, struct mad_pcm *);
-    static enum mad_flow error(void *, struct mad_stream *, struct mad_frame *);
+    static enum mad_flow input_callback(void *, struct mad_stream *);
+    static enum mad_flow output_callback(void *, struct mad_header const *,
+                                         struct mad_pcm *);
+    static enum mad_flow filter_callback(void *, struct mad_stream const *,
+                                         struct mad_frame *);
+    static enum mad_flow error_callback(void *, struct mad_stream *,
+                                        struct mad_frame *);
 
     class DecodeThread : public Thread
     {