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fixpoint: move cplscales to context structure and provide hook for data format conversion 

Originally committed as revision 9702 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Marc Hoffman 2007-07-16 13:24:43 +00:00
parent 28d997f932
commit dae92b62a3
1 changed files with 16 additions and 1 deletions
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17
libavcodec/cook.c
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@ -144,6 +144,8 @@ typedef struct cook {
float decode_buffer_1[1024];
float decode_buffer_2[1024];
float decode_buffer_0[1060]; /* static allocation for joint decode */
float *cplscales[5];
} COOKContext;
/* debug functions */
@ -262,6 +264,18 @@ static int init_cook_mlt(COOKContext *q) {
return 0;
}
static float *maybe_reformat_buffer32 (COOKContext *q, float *ptr, int n)
{
if (1)
return ptr;
}
static int init_cplscales_table (COOKContext *q) {
int i;
for (i=0;i<5;i++)
q->cplscales[i] = maybe_reformat_buffer32 (q, cplscales[i], (1<<(i+2))-1);
}
/*************** init functions end ***********/
/**
@ -843,7 +857,7 @@ static void joint_decode(COOKContext *q, float* mlt_buffer1,
for (i=q->js_subband_start ; i<q->subbands ; i++) {
cpl_tmp = cplband[i];
idx -=decouple_tab[cpl_tmp];
cplscale = (float*)cplscales[q->js_vlc_bits-2]; //choose decoupler table
cplscale = q->cplscales[q->js_vlc_bits-2]; //choose decoupler table
f1 = cplscale[decouple_tab[cpl_tmp]];
f2 = cplscale[idx-1];
q->decouple (q, i, f1, f2, decode_buffer, mlt_buffer1, mlt_buffer2);
@ -1113,6 +1127,7 @@ static int cook_decode_init(AVCodecContext *avctx)
init_rootpow2table(q);
init_pow2table(q);
init_gain_table(q);
init_cplscales_table(q);
if (init_cook_vlc_tables(q) != 0)
return -1;