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Reindent the whole file
Originally committed as revision 14034 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak
@@ -23,23 +23,23 @@
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#include "ra288.h"
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typedef struct {
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float history[8];
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float output[40];
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float pr1[36];
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float pr2[10];
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int phase, phasep;
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float history[8];
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float output[40];
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float pr1[36];
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float pr2[10];
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int phase, phasep;
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float st1a[111],st1b[37],st1[37];
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float st2a[38],st2b[11],st2[11];
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float sb[41];
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float lhist[10];
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float st1a[111], st1b[37], st1[37];
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float st2a[38], st2b[11], st2[11];
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float sb[41];
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float lhist[10];
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} Real288_internal;
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static int ra288_decode_init(AVCodecContext * avctx)
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{
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Real288_internal *glob=avctx->priv_data;
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memset(glob,0,sizeof(Real288_internal));
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return 0;
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Real288_internal *glob = avctx->priv_data;
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memset(glob, 0, sizeof(Real288_internal));
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return 0;
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}
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static void prodsum(float *tgt, float *src, int len, int n);
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@@ -49,192 +49,234 @@ static void colmult(float *tgt, float *m1, const float *m2, int n);
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/* initial decode */
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static void unpack(unsigned short *tgt, const unsigned char *src, unsigned int len)
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static void unpack(unsigned short *tgt, const unsigned char *src,
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unsigned int len)
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{
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int x,y,z;
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int n,temp;
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int buffer[len];
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int x, y, z;
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int n, temp;
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int buffer[len];
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for (x=0;x<len;tgt[x++]=0)
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buffer[x]=9+(x&1);
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for (x=0; x < len; tgt[x++] = 0)
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buffer[x] = 9 + (x & 1);
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for (x=y=z=0;x<len/*was 38*/;x++) {
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n=buffer[y]-z;
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temp=src[x];
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if (n<8) temp&=255>>(8-n);
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tgt[y]+=temp<<z;
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if (n<=8) {
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tgt[++y]+=src[x]>>n;
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z=8-n;
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} else z+=8;
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for (x=y=z=0; x < len/*was 38*/; x++) {
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n = buffer[y] - z;
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temp = src[x];
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if (n < 8)
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temp &= 255 >> (8 - n);
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tgt[y] += temp << z;
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if (n <= 8) {
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tgt[++y] += src[x] >> n;
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z = 8 - n;
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} else
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z += 8;
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}
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}
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static void update(Real288_internal *glob)
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{
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int x,y;
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float buffer1[40],temp1[37];
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float buffer2[8],temp2[11];
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int x,y;
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float buffer1[40], temp1[37];
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float buffer2[8], temp2[11];
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for (x=0,y=glob->phasep+5;x<40;buffer1[x++]=glob->output[(y++)%40]);
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co(36,40,35,buffer1,temp1,glob->st1a,glob->st1b,table1);
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if (pred(temp1,glob->st1,36))
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colmult(glob->pr1,glob->st1,table1a,36);
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for (x=0, y=glob->phasep+5; x < 40; buffer1[x++] = glob->output[(y++)%40]);
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for (x=0,y=glob->phase+1;x<8;buffer2[x++]=glob->history[(y++)%8]);
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co(10,8,20,buffer2,temp2,glob->st2a,glob->st2b,table2);
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if (pred(temp2,glob->st2,10))
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colmult(glob->pr2,glob->st2,table2a,10);
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co(36, 40, 35, buffer1, temp1, glob->st1a, glob->st1b, table1);
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if (pred(temp1, glob->st1, 36))
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colmult(glob->pr1, glob->st1, table1a, 36);
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for (x=0, y=glob->phase + 1; x < 8; buffer2[x++] = glob->history[(y++) % 8]);
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co(10, 8, 20, buffer2, temp2, glob->st2a, glob->st2b, table2);
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if (pred(temp2, glob->st2, 10))
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colmult(glob->pr2, glob->st2, table2a, 10);
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}
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/* Decode and produce output */
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static void decode(Real288_internal *glob, unsigned int input)
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{
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unsigned int x,y;
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float f;
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double sum,sumsum;
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float *p1,*p2;
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float buffer[5];
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const float *table;
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unsigned int x, y;
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float f;
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double sum, sumsum;
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float *p1, *p2;
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float buffer[5];
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const float *table;
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for (x=36;x--;glob->sb[x+5]=glob->sb[x]);
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for (x=5;x--;) {
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p1=glob->sb+x;p2=glob->pr1;
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for (sum=0,y=36;y--;sum-=(*(++p1))*(*(p2++)));
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glob->sb[x]=sum;
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}
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for (x=36; x--; glob->sb[x+5] = glob->sb[x]);
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f=amptable[input&7];
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table=codetable+(input>>3)*5;
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for (x=5; x--;) {
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p1 = glob->sb+x;
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p2 = glob->pr1;
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for (sum=0, y=36; y--; sum -= (*(++p1))*(*(p2++)));
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/* convert log and do rms */
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for (sum=32,x=10;x--;sum-=glob->pr2[x]*glob->lhist[x]);
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if (sum<0) sum=0; else if (sum>60) sum=60;
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glob->sb[x] = sum;
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}
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sumsum=exp(sum*0.1151292546497)*f; /* pow(10.0,sum/20)*f */
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for (sum=0,x=5;x--;) { buffer[x]=table[x]*sumsum; sum+=buffer[x]*buffer[x]; }
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if ((sum/=5)<1) sum=1;
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f = amptable[input & 7];
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table = codetable + (input >> 3) * 5;
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/* shift and store */
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for (x=10;--x;glob->lhist[x]=glob->lhist[x-1]);
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*glob->lhist=glob->history[glob->phase]=10*log10(sum)-32;
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/* convert log and do rms */
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for (sum=32, x=10; x--; sum -= glob->pr2[x] * glob->lhist[x]);
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for (x=1;x<5;x++) for (y=x;y--;buffer[x]-=glob->pr1[x-y-1]*buffer[y]);
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if (sum < 0)
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sum = 0;
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else if (sum > 60)
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sum = 60;
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/* output */
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for (x=0;x<5;x++) {
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f=glob->sb[4-x]+buffer[x];
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if (f>4095) f=4095; else if (f<-4095) f=-4095;
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glob->output[glob->phasep+x]=glob->sb[4-x]=f;
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}
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sumsum = exp(sum * 0.1151292546497) * f; /* pow(10.0,sum/20)*f */
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for (sum=0, x=5; x--;) {
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buffer[x] = table[x] * sumsum;
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sum += buffer[x] * buffer[x];
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}
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if ((sum /= 5) < 1)
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sum = 1;
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/* shift and store */
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for (x=10; --x; glob->lhist[x] = glob->lhist[x-1]);
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*glob->lhist = glob->history[glob->phase] = 10 * log10(sum) - 32;
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for (x=1; x < 5; x++)
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for (y=x; y--; buffer[x] -= glob->pr1[x-y-1] * buffer[y]);
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/* output */
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for (x=0; x < 5; x++) {
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f = glob->sb[4-x] + buffer[x];
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if (f > 4095)
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f = 4095;
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else if (f < -4095)
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f = -4095;
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glob->output[glob->phasep+x] = glob->sb[4-x] = f;
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}
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}
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/* column multiply */
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static void colmult(float *tgt, float *m1, const float *m2, int n)
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{
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while (n--)
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*(tgt++)=(*(m1++))*(*(m2++));
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while (n--)
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*(tgt++) = (*(m1++)) * (*(m2++));
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}
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static int pred(float *in, float *tgt, int n)
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{
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int x,y;
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float *p1,*p2;
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double f0,f1,f2;
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float temp;
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int x, y;
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float *p1, *p2;
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double f0, f1, f2;
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float temp;
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if (in[n]==0) return 0;
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if ((f0=*in)<=0) return 0;
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if (in[n] == 0)
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return 0;
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for (x=1;;x++) {
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if (n<x) return 1;
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if ((f0 = *in) <= 0)
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return 0;
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p1=in+x;
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p2=tgt;
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f1=*(p1--);
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for (y=x;--y;f1+=(*(p1--))*(*(p2++)));
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for (x=1 ; ; x++) {
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if (n < x)
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return 1;
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p1=tgt+x-1;
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p2=tgt;
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*(p1--)=f2=-f1/f0;
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for (y=x>>1;y--;) {
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temp=*p2+*p1*f2;
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*(p1--)+=*p2*f2;
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*(p2++)=temp;
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p1 = in + x;
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p2 = tgt;
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f1 = *(p1--);
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for (y=x; --y; f1 += (*(p1--))*(*(p2++)));
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p1 = tgt + x - 1;
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p2 = tgt;
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*(p1--) = f2 = -f1/f0;
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for (y=x >> 1; y--;) {
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temp = *p2 + *p1 * f2;
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*(p1--) += *p2 * f2;
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*(p2++) = temp;
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}
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if ((f0 += f1*f2) < 0)
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return 0;
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}
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if ((f0+=f1*f2)<0) return 0;
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}
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}
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static void co(int n, int i, int j, float *in, float *out, float *st1, float *st2, const float *table)
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static void co(int n, int i, int j, float *in, float *out, float *st1,
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float *st2, const float *table)
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{
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int a,b,c;
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unsigned int x;
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float *fp;
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float buffer1[37];
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float buffer2[37];
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float work[111];
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int a, b, c;
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unsigned int x;
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float *fp;
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float buffer1[37];
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float buffer2[37];
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float work[111];
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/* rotate and multiply */
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c=(b=(a=n+i)+j)-i;
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fp=st1+i;
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for (x=0;x<b;x++) {
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if (x==c) fp=in;
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work[x]=*(table++)*(*(st1++)=*(fp++));
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}
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/* rotate and multiply */
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c = (b = (a = n + i) + j) - i;
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fp = st1 + i;
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for (x=0; x < b; x++) {
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if (x == c)
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fp=in;
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work[x] = *(table++) * (*(st1++) = *(fp++));
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}
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prodsum(buffer1,work+n,i,n);
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prodsum(buffer2,work+a,j,n);
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prodsum(buffer1, work + n, i, n);
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prodsum(buffer2, work + a, j, n);
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for (x=0;x<=n;x++) {
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*st2=*st2*(0.5625)+buffer1[x];
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out[x]=*(st2++)+buffer2[x];
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}
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*out*=1.00390625; /* to prevent clipping */
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for (x=0;x<=n;x++) {
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*st2 = *st2 * (0.5625) + buffer1[x];
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out[x] = *(st2++) + buffer2[x];
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}
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*out *= 1.00390625; /* to prevent clipping */
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}
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/* product sum (lsf) */
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static void prodsum(float *tgt, float *src, int len, int n)
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{
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unsigned int x;
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float *p1,*p2;
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double sum;
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unsigned int x;
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float *p1, *p2;
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double sum;
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while (n>=0)
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{
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p1=(p2=src)-n;
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for (sum=0,x=len;x--;sum+=(*p1++)*(*p2++));
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tgt[n--]=sum;
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}
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while (n >= 0) {
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p1 = (p2 = src) - n;
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for (sum=0, x=len; x--; sum += (*p1++) * (*p2++));
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tgt[n--] = sum;
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}
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}
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static void * decode_block(AVCodecContext * avctx, const unsigned char *in, signed short int *out,unsigned len)
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static void * decode_block(AVCodecContext * avctx, const unsigned char *in,
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signed short int *out, unsigned len)
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{
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int x,y;
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Real288_internal *glob=avctx->priv_data;
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unsigned short int buffer[len];
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int x, y;
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Real288_internal *glob = avctx->priv_data;
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unsigned short int buffer[len];
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unpack(buffer,in,len);
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for (x=0;x<32;x++)
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{
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glob->phasep=(glob->phase=x&7)*5;
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decode(glob,buffer[x]);
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for (y=0;y<5;*(out++)=8*glob->output[glob->phasep+(y++)]);
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if (glob->phase==3) update(glob);
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}
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return out;
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unpack(buffer, in, len);
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for (x=0; x < 32; x++) {
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glob->phasep = (glob->phase = x & 7) * 5;
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decode(glob, buffer[x]);
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for (y=0; y<5; *(out++) = 8 * glob->output[glob->phasep+(y++)]);
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if (glob->phase == 3)
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update(glob);
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}
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return out;
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}
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/* Decode a block (celp) */
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static int ra288_decode_frame(AVCodecContext * avctx,
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void *data, int *data_size,
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const uint8_t * buf, int buf_size)
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static int ra288_decode_frame(AVCodecContext * avctx, void *data,
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int *data_size, const uint8_t * buf,
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int buf_size)
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{
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void *datao;
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if (buf_size < avctx->block_align)
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{
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av_log(avctx, AV_LOG_ERROR, "ffra288: Error! Input buffer is too small [%d<%d]\n",buf_size,avctx->block_align);
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if (buf_size < avctx->block_align) {
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av_log(avctx, AV_LOG_ERROR,
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"ffra288: Error! Input buffer is too small [%d<%d]\n",
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buf_size, avctx->block_align);
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return 0;
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}
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