Vorbisfile API addition for game and mod coders;

Do a 'free' sample rate conversion from source rate to half source
rate by calling ov_halfrate() after ov_open(); Although this is solid
for immediately desired usage, I want to clean it up a bit before
advertising it's existence, so no doc addition yet.

Does not break binary API.

Monty

svn path=/trunk/vorbis/; revision=5222

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/codec_internal.h b/lib/codec_internal.h
index 392df917..85597718 100644
--- a/lib/codec_internal.h
+++ b/lib/codec_internal.h
@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: libvorbis codec headers
- last mod: $Id: codec_internal.h,v 1.16 2002/10/11 11:14:41 xiphmont Exp $
+ last mod: $Id: codec_internal.h,v 1.17 2003/08/18 05:34:01 xiphmont Exp $
 
  ********************************************************************/
 
@@ -58,7 +58,7 @@ typedef void vorbis_info_mapping;
 typedef struct private_state {
   /* local lookup storage */
   envelope_lookup        *ve; /* envelope lookup */    
-  float                  *window[2];
+  int                     window[2];
   vorbis_look_transform **transform[2];    /* block, type */
   drft_lookup             fft_look[2];
 
@@ -79,7 +79,6 @@ typedef struct private_state {
   bitrate_manager_state bms;
 
   ogg_int64_t sample_count;
-
 } private_state;
 
 /* codec_setup_info contains all the setup information specific to the
@@ -125,7 +124,7 @@ typedef struct codec_setup_info {
   highlevel_encode_setup hi; /* used only by vorbisenc.c.  It's a
                                 highly redundant structure, but
                                 improves clarity of program flow. */
-  
+  int         halfrate_flag; /* painless downsample for decode */  
 } codec_setup_info;
 
 extern vorbis_look_psy_global *_vp_global_look(vorbis_info *vi);