libtremor: merge upstream revision 17374 and some inline/icode tweaks to maintain speed.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28732 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 23 insertions, 14 deletions

diff --git a/apps/codecs/libtremor/ivorbiscodec.h b/apps/codecs/libtremor/ivorbiscodec.h
index 561c5d8732..5bc33aaea5 100644
--- a/apps/codecs/libtremor/ivorbiscodec.h
+++ b/apps/codecs/libtremor/ivorbiscodec.h
@@ -171,7 +171,8 @@ extern int      vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,
 
 extern int      vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi);
 extern int      vorbis_synthesis_restart(vorbis_dsp_state *v);
-extern int      vorbis_synthesis(vorbis_block *vb,ogg_packet *op,int decodep);
+extern int      vorbis_synthesis(vorbis_block *vb,ogg_packet *op);
+extern int      vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
 extern int      vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb);
 extern int      vorbis_synthesis_pcmout(vorbis_dsp_state *v,ogg_int32_t ***pcm);
 extern int      vorbis_synthesis_read(vorbis_dsp_state *v,int samples);
diff --git a/apps/codecs/libtremor/synthesis.c b/apps/codecs/libtremor/synthesis.c
index 35d080180b..69180b7acf 100644
--- a/apps/codecs/libtremor/synthesis.c
+++ b/apps/codecs/libtremor/synthesis.c
@@ -27,9 +27,7 @@
 
 static ogg_int32_t *ipcm_vect[CHANNELS] IBSS_ATTR;
 
-int vorbis_synthesis(vorbis_block *vb,ogg_packet *op,int decodep)
-    ICODE_ATTR_TREMOR_NOT_MDCT;
-int vorbis_synthesis(vorbis_block *vb,ogg_packet *op,int decodep){
+static inline int _vorbis_synthesis1(vorbis_block *vb,ogg_packet *op,int decodep){
   vorbis_dsp_state     *vd=vb->vd;
   private_state        *b=(private_state *)vd->backend_state;
   vorbis_info          *vi=vd->vi;
@@ -98,6 +96,16 @@ int vorbis_synthesis(vorbis_block *vb,ogg_packet *op,int decodep){
   }
 }
 
+int vorbis_synthesis(vorbis_block *vb,ogg_packet *op)
+  ICODE_ATTR_TREMOR_NOT_MDCT;
+int vorbis_synthesis(vorbis_block *vb,ogg_packet *op){
+  return _vorbis_synthesis1(vb,op,1);
+}
+
+int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op){
+  return _vorbis_synthesis1(vb,op,0);
+}
+
 long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op){
   codec_setup_info     *ci=(codec_setup_info *)vi->codec_setup;
   oggpack_buffer       opb;
diff --git a/apps/codecs/libtremor/vorbisfile.c b/apps/codecs/libtremor/vorbisfile.c
index 1e0336603c..50a57affbd 100644
--- a/apps/codecs/libtremor/vorbisfile.c
+++ b/apps/codecs/libtremor/vorbisfile.c
@@ -717,13 +717,13 @@ STATICIRAM_NOT_MDCT int _fetch_and_process_packet(OggVorbis_File *vf,
         if(result>0){
           /* got a packet.  process it */
           granulepos=op.granulepos;
-          if(!vorbis_synthesis(&vf->vb,&op,1)){ /* lazy check for lazy
-                                                      header handling.  The
-                                                      header packets aren't
-                                                      audio, so if/when we
-                                                      submit them,
-                                                      vorbis_synthesis will
-                                                      reject them */
+          if(!vorbis_synthesis(&vf->vb,&op)){ /* lazy check for lazy
+                                                 header handling.  The
+                                                 header packets aren't
+                                                 audio, so if/when we
+                                                 submit them,
+                                                 vorbis_synthesis will
+                                                 reject them */
 
             /* suck in the synthesis data and track bitrate */
             {
@@ -1444,9 +1444,9 @@ int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos){
       
       /* remove the packet from packet queue and track its granulepos */
       ogg_stream_packetout(vf->os,NULL);
-      vorbis_synthesis(&vf->vb,&op,0);  /* set up a vb with
-                                           only tracking, no
-                                           pcm_decode */
+      vorbis_synthesis_trackonly(&vf->vb,&op);  /* set up a vb with
+                                                   only tracking, no
+                                                   pcm_decode */
       vorbis_synthesis_blockin(&vf->vd,&vf->vb); 
       
       /* end of logical stream case is hard, especially with exact