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libtremor: save a kB or two limiting an array size to the maximum number of channels we support and using a shorter type for another. No speed diff.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30559 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2011-09-16 14:00:06 +00:00
parent bcfb2b53eb
commit 769996654b
2 changed files with 7 additions and 5 deletions
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6
apps/codecs/libtremor/backends.h
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@ -110,7 +110,7 @@ typedef struct{
typedef struct vorbis_info_mapping0{
int submaps; /* <= 16 */
int chmuxlist[256]; /* up to 256 channels in a Vorbis stream */
int chmuxlist[CHANNELS]; /* up to 256 channels in a Vorbis stream */
int floorsubmap[16]; /* [mux] submap to floors */
int residuesubmap[16]; /* [mux] submap to residue */
@ -121,8 +121,8 @@ typedef struct vorbis_info_mapping0{
#endif
int coupling_steps;
int coupling_mag[256];
int coupling_ang[256];
unsigned char coupling_mag[256];
unsigned char coupling_ang[256];
} vorbis_info_mapping0;
#endif

6
apps/codecs/libtremor/mapping0.c
View file

@ -147,8 +147,10 @@ static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
info->coupling_steps=oggpack_read(opb,8)+1;
if(info->coupling_steps<=0)goto err_out;
for(i=0;i<info->coupling_steps;i++){
int testM=info->coupling_mag[i]=oggpack_read(opb,ilog(vi->channels));
int testA=info->coupling_ang[i]=oggpack_read(opb,ilog(vi->channels));
int testM=oggpack_read(opb,ilog(vi->channels));
info->coupling_mag[i]=testM;
int testA=oggpack_read(opb,ilog(vi->channels));
info->coupling_ang[i]=testA;
if(testM<0 ||
testA<0 ||