#include "png.h"
#include "h263tables.c"
+typedef struct _YUV
+{
+ unsigned char y,u,v;
+} YUV;
+
typedef struct _VIDEOSTREAM
{
int width;
int height;
int frame;
- RGBA*oldpic;
- RGBA*current;
+ int linex;
+ YUV*oldpic;
+ YUV*current;
} VIDEOSTREAM;
void swf_SetVideoStreamDefine(TAG*tag, VIDEOSTREAM*stream, U16 frames, U16 width, U16 height)
swf_SetU8(tag, 2); /* codec = h.263 sorenson spark */
memset(stream, 0, sizeof(VIDEOSTREAM));
- stream->width = width&~15;
- stream->height = height&~15;
- stream->oldpic = (RGBA*)malloc(width*height*sizeof(RGBA));
-
- memset(stream->oldpic, 0, width*height*sizeof(RGBA));
+ stream->linex = width;
+ width&=~15;
+ height&=~15;
+ stream->width = width;
+ stream->height = height;
+ stream->current = (YUV*)malloc(width*height*sizeof(YUV));
+ stream->oldpic = (YUV*)malloc(width*height*sizeof(YUV));
+
+ memset(stream->oldpic, 0, width*height*sizeof(YUV));
}
typedef struct _block_t
double v[64];
} fblock_t;
+static int zigzagtable[64] = {
+ 0, 1, 5, 6, 14, 15, 27, 28,
+ 2, 4, 7, 13, 16, 26, 29, 42,
+ 3, 8, 12, 17, 25, 30, 41, 43,
+ 9, 11, 18, 24, 31, 40, 44, 53,
+ 10, 19, 23, 32, 39, 45, 52, 54,
+ 20, 22, 33, 38, 46, 51, 55, 60,
+ 21, 34, 37, 47, 50, 56, 59, 61,
+ 35, 36, 48, 49, 57, 58, 62, 63};
+
static void fzigzag(double*src)
{
- int table[64] = {
- 0, 1, 5, 6, 14, 15, 27, 28,
- 2, 4, 7, 13, 16, 26, 29, 42,
- 3, 8, 12, 17, 25, 30, 41, 43,
- 9, 11, 18, 24, 31, 40, 44, 53,
- 10, 19, 23, 32, 39, 45, 52, 54,
- 20, 22, 33, 38, 46, 51, 55, 60,
- 21, 34, 37, 47, 50, 56, 59, 61,
- 35, 36, 48, 49, 57, 58, 62, 63};
double tmp[64];
int t;
for(t=0;t<64;t++) {
- ((int*)&tmp[table[t]])[0] = ((int*)&src[t])[0];
- ((int*)&tmp[table[t]])[1] = ((int*)&src[t])[1];
+ ((int*)&tmp[zigzagtable[t]])[0] = ((int*)&src[t])[0];
+ ((int*)&tmp[zigzagtable[t]])[1] = ((int*)&src[t])[1];
}
memcpy(src, tmp, sizeof(double)*64);
}
}
}
-static void getregion(fblock_t* bb, RGBA*pic, int bx, int by, int width, int height)
+static inline int truncate256(int a)
+{
+ if(a>255) return 255;
+ if(a<0) return 0;
+ return a;
+}
+
+static void getregion(fblock_t* bb, YUV*pic, int bx, int by, int linex)
{
- RGBA*p1 = &pic[by*width*16+bx*16];
- RGBA*p2 = p1;
- int linex = width;
+ YUV*p1 = &pic[by*linex*16+bx*16];
+ YUV*p2 = p1;
int y1=0, y2=0, y3=0, y4=0;
int u=0,v=0;
int x,y;
for(y=0;y<8;y++) {
for(x=0;x<8;x++) {
- double r,g,b;
- r = (p2[x*2].r + p2[x*2+1].r + p2[linex+x*2].r + p2[linex+x*2+1].r)/4.0;
- g = (p2[x*2].g + p2[x*2+1].g + p2[linex+x*2].g + p2[linex+x*2+1].g)/4.0;
- b = (p2[x*2].b + p2[x*2+1].b + p2[linex+x*2].b + p2[linex+x*2+1].b)/4.0;
- bb->u[u++] = (r*-0.169 + g*-0.332 + b*0.500 + 128.0);
- bb->v[v++] = (r*0.500 + g*-0.419 + b*-0.0813 + 128.0);
-
- r = p1[x].r; g = p1[x].g; b = p1[x].b;
- bb->y1[y1++] = (r*0.299 + g*0.587 + b*0.114);
- r = p1[x+8].r; g = p1[x+8].g; b = p1[x+8].b;
- bb->y2[y2++] = (r*0.299 + g*0.587 + b*0.114);
- r = p1[linex*8+x].r; g = p1[linex*8+x].g; b = p1[linex*8+x].b;
- bb->y3[y3++] = (r*0.299 + g*0.587 + b*0.114);
- r = p1[linex*8+x+8].r; g = p1[linex*8+x+8].g; b = p1[linex*8+x+8].b;
- bb->y4[y4++] = (r*0.299 + g*0.587 + b*0.114);
+ bb->u[u++] = (p2[x*2].u + p2[x*2+1].u + p2[linex+x*2].u + p2[linex+x*2+1].u)/4;
+ bb->v[v++] = (p2[x*2].v + p2[x*2+1].v + p2[linex+x*2].v + p2[linex+x*2+1].v)/4;
+ bb->y1[y1++] = p1[x].y;
+ bb->y2[y2++] = p1[x+8].y;
+ bb->y3[y3++] = p1[linex*8+x].y;
+ bb->y4[y4++] = p1[linex*8+x+8].y;
}
p1+=linex;
p2+=linex*2;
}
}
+static void rgb2yuv(YUV*dest, RGBA*src, int linex, int width, int height)
+{
+ int x,y;
+ for(y=0;y<height;y++) {
+ for(x=0;x<width;x++) {
+ double r,g,b;
+ r = src[y*linex+x].r;
+ g = src[y*linex+x].g;
+ b = src[y*linex+x].b;
+ dest[y*linex+x].y = (r*0.299 + g*0.587 + b*0.114);
+ dest[y*linex+x].u = (r*-0.169 + g*-0.332 + b*0.500 + 128.0);
+ dest[y*linex+x].v = (r*0.500 + g*-0.419 + b*-0.0813 + 128.0);
+ }
+ }
+}
+static void copyregion(VIDEOSTREAM*s, YUV*dest, YUV*src, int bx, int by)
+{
+ YUV*p1 = &src[by*s->linex*16+bx*16];
+ YUV*p2 = &dest[by*s->linex*16+bx*16];
+ int y;
+ for(y=0;y<16;y++) {
+ memcpy(p1, p2, 16*sizeof(YUV));
+ p1+=s->linex;p2+=s->linex;
+ }
+}
+
+static void yuv2rgb(RGBA*dest, YUV*src, int linex, int width, int height)
+{
+ int x,y;
+ for(y=0;y<height;y++) {
+ for(x=0;x<width;x++) {
+ int u,v,yy;
+ u = src[y*linex+x].u;
+ v = src[y*linex+x].v;
+ yy = src[y*linex+x].y;
+ dest[y*linex+x].r = truncate256(yy + ((360*(v-128))>>8));
+ dest[y*linex+x].g = truncate256(yy - ((88*(u-128)+183*(v-128))>>8));
+ dest[y*linex+x].b = truncate256(yy + ((455 * (u-128))>>8));
+ }
+ }
+}
+static void copyblock(VIDEOSTREAM*s, YUV*dest, block_t*b, int bx, int by)
+{
+ YUV*p1 = &dest[(by*16)*s->linex+bx*16];
+ YUV*p2 = &dest[(by*16+8)*s->linex+bx*16];
+ int x,y;
+ for(y=0;y<8;y++) {
+ for(x=0;x<8;x++) {
+ int u,v,yy;
+ p1[x+0].u = b->u[(y/2)*8+(x/2)];
+ p1[x+0].v = b->v[(y/2)*8+(x/2)];
+ p1[x+0].y = b->y1[y*8+x];
+ p1[x+8].u = b->u[(y/2)*8+(x/2)+4];
+ p1[x+8].v = b->v[(y/2)*8+(x/2)+4];
+ p1[x+8].y = b->y2[y*8+x];
+ p2[x+0].u = b->u[(y/2+4)*8+(x/2)];
+ p2[x+0].v = b->v[(y/2+4)*8+(x/2)];
+ p2[x+0].y = b->y3[y*8+x];
+ p2[x+8].u = b->u[(y/2+4)*8+(x/2)+4];
+ p2[x+8].v = b->v[(y/2+4)*8+(x/2)+4];
+ p2[x+8].y = b->y4[y*8+x];
+ }
+ p1+=s->linex;
+ p2+=s->linex;
+ }
+}
-int compareregions(VIDEOSTREAM*s, int bx, int by)
+static int compareregions(VIDEOSTREAM*s, int bx, int by)
{
int linex = s->width;
- RGBA*p1 = &s->current[by*linex*16+bx*16];
- RGBA*p2 = &s->oldpic[by*linex*16+bx*16];
+ YUV*p1 = &s->current[by*linex*16+bx*16];
+ YUV*p2 = &s->oldpic[by*linex*16+bx*16];
int diff = 0;
int x,y;
for(y=0;y<16;y++) {
for(x=0;x<16;x++) {
- RGBA*m = &p1[x];
- RGBA*n = &p2[x];
- int r = m->r - n->r;
- int g = m->g - n->g;
- int b = m->b - n->b;
- diff += r*r+g*g+b*b;
+ YUV*m = &p1[x];
+ YUV*n = &p2[x];
+ int y = m->y - n->y;
+ int u = m->u - n->u;
+ int v = m->v - n->v;
+ diff += y*y+(u*u+v*v)/4;
}
p1+=linex;
p2+=linex;
}
- return diff;
+ return diff/256;
}
static int valtodc(int val)
/* table 12/h.263 */
- val+=4; //round
+ //val+=4; //round
val/=8;
/* TODO: what to do for zero values? skip the block? */
if(val==0)
return 254;
return val;
}
+static int dctoval(int dc)
+{
+ int val;
+ assert(dc>0);
+ assert(dc!=128);
+ assert(dc<256);
+ /* table 12/h.263 */
+ val = dc*8;
+ if(val == 255*8)
+ val = 128*8;
+ return val;
+}
-static void codehuffman(TAG*tag, struct huffcode*table, int index)
+static int codehuffman(TAG*tag, struct huffcode*table, int index)
{
/* TODO: !optimize! */
int i=0;
swf_SetBits(tag, 1, 1);
i++;
}
+ return i;
}
static void quantize8x8(double*src, int*dest, int has_dc, int quant)
for(t=pos;t<64;t++)
{
dest[t] = (int)src[t];
- //val = (quant*(2*level+1)-1)+quant&1
-/* if(quant&1) {
- dest[t] = (dest[t]/quant - 1)/2;
- } else {
- dest[t] = ((dest[t]+1)/quant - 1)/2;
- }*/
- //dest[t] = (dest[t]/quant-1)/2;
+ /* exact: if(quant&1){dest[t] = (dest[t]/quant - 1)/2;}else{dest[t] = ((dest[t]+1)/quant - 1)/2;} */
+ //if(quant&1){dest[t] = (dest[t]/quant - 1)/2;}else{dest[t] = ((dest[t]+1)/quant - 1)/2;}
dest[t] = dest[t]/(quant*2);
}
}
+static void dequantize8x8(int*b, int has_dc, int quant)
+{
+ int t,pos=0;
+ if(has_dc) {
+ b[0] = dctoval(b[0]); //DC
+ pos++;
+ }
+ for(t=pos;t<64;t++) {
+ if(b[t]) {
+ int sign = 0;
+ if(b[t]<0) {
+ b[t] = -b[t];
+ sign = 1;
+ }
+
+ if(quant&1) {
+ b[t] = quant*(2*b[t]+1); //-7,8,24,40
+ } else {
+ b[t] = quant*(2*b[t]+1)-1; //-8,7,23,39
+ }
+
+ if(sign)
+ b[t] = -b[t];
+ }
+
+ /* paragraph 6.2.2, "clipping of reconstruction levels": */
+ if(b[t]>2047) b[t]=2047;
+ if(b[t]<-2048) b[t]=-2048;
+ }
+}
+
static int hascoef(int*b, int has_dc)
{
int t;
int pos=0;
- int range=2; /*TODO: should be a global parameter */
if(has_dc)
pos++;
for(t=pos;t<64;t++) {
- if(b[t]<=-range || b[t]>=range)
+ if(b[t])
return 1;
}
return 0;
level=bb[pos];
/* table 14/h.263 */
assert(level);
- if(level<-127) level = -127;
- if(level>127) level = 127;
+ assert(level>=-127);
+ assert(level<=127);
swf_SetBits(tag, islast, 1);
swf_SetBits(tag, run, 6);
- swf_SetBits(tag, level, 8); //fixme
+ swf_SetBits(tag, level, 8); //FIXME: fixme??
}
if(islast)
break;
pos++;
}
-
- //codehuffman(tag, rle, 58);
- //swf_SetBits(tag, 1, 1); //sign
}
}
static void dodct(fblock_t*fb)
{
+ int t;
dct(fb->y1); dct(fb->y2); dct(fb->y3); dct(fb->y4);
dct(fb->u); dct(fb->v);
fzigzag(fb->y1);
fzigzag(fb->v);
}
+static void doidct(block_t*b)
+{
+ fblock_t fb;
+ int t;
+ for(t=0;t<64;t++) {
+ fb.y1[t] = b->y1[zigzagtable[t]];
+ fb.y2[t] = b->y2[zigzagtable[t]];
+ fb.y3[t] = b->y3[zigzagtable[t]];
+ fb.y4[t] = b->y4[zigzagtable[t]];
+ fb.u[t] = b->u[zigzagtable[t]];
+ fb.v[t] = b->v[zigzagtable[t]];
+ }
+ idct(fb.y1); idct(fb.y2); idct(fb.y3); idct(fb.y4);
+ idct(fb.u); idct(fb.v);
+ for(t=0;t<64;t++) {
+ b->y1[t] = fb.y1[t];
+ b->y2[t] = fb.y2[t];
+ b->y3[t] = fb.y3[t];
+ b->y4[t] = fb.y4[t];
+ b->u[t] = fb.u[t];
+ b->v[t] = fb.v[t];
+ }
+}
+static void truncateblock(block_t*b)
+{
+ int t;
+ for(t=0;t<64;t++) {
+ b->y1[t] = truncate256(b->y1[t]);
+ b->y2[t] = truncate256(b->y2[t]);
+ b->y3[t] = truncate256(b->y3[t]);
+ b->y4[t] = truncate256(b->y4[t]);
+ b->u[t] = truncate256(b->u[t]);
+ b->v[t] = truncate256(b->v[t]);
+ }
+}
+
static void quantize(fblock_t*fb, block_t*b, int has_dc, int quant)
{
- quantize8x8(fb->y1,b->y1,has_dc,quant);
- quantize8x8(fb->y2,b->y2,has_dc,quant);
- quantize8x8(fb->y3,b->y3,has_dc,quant);
- quantize8x8(fb->y4,b->y4,has_dc,quant);
- quantize8x8(fb->u,b->u,has_dc,quant);
- quantize8x8(fb->v,b->v,has_dc,quant);
+ quantize8x8(fb->y1, b->y1, has_dc, quant);
+ quantize8x8(fb->y2, b->y2, has_dc, quant);
+ quantize8x8(fb->y3, b->y3, has_dc, quant);
+ quantize8x8(fb->y4, b->y4, has_dc, quant);
+ quantize8x8(fb->u, b->u, has_dc, quant);
+ quantize8x8(fb->v, b->v, has_dc, quant);
+}
+static void dequantize(block_t*b, int has_dc, int quant)
+{
+ dequantize8x8(b->y1, has_dc, quant);
+ dequantize8x8(b->y2, has_dc, quant);
+ dequantize8x8(b->y3, has_dc, quant);
+ dequantize8x8(b->y4, has_dc, quant);
+ dequantize8x8(b->u, has_dc, quant);
+ dequantize8x8(b->v, has_dc, quant);
}
static void getblockpatterns(block_t*b, int*cbpybits,int*cbpcbits, int has_dc)
*dquant = 0;
}
-void decode_blockI(VIDEOSTREAM*s, block_t*b, int bx, int by)
-{
- int x,y;
- /* FIXME */
- for(x=0;x<16;x++)
- for(y=0;y<16;y++) {
- s->oldpic[(y+by*16)*s->width+(x+bx*16)] = s->current[(y+by*16)*s->width+(x+bx*16)];
- }
-}
-
-void encode_blockI(TAG*tag, VIDEOSTREAM*s, int bx, int by, int*quant)
+static void encode_blockI(TAG*tag, VIDEOSTREAM*s, int bx, int by, int*quant)
{
fblock_t fb;
block_t b;
int dquant=0;
int cbpcbits = 0, cbpybits=0;
- getregion(&fb, s->current, bx, by, s->width, s->height);
+ getregion(&fb, s->current, bx, by, s->width);
dodct(&fb);
change_quant(*quant, &dquant);
*quant+=dquant;
quantize(&fb, &b, 1, *quant);
- decode_blockI(s, &b, bx, by);
+ //decode_blockI(s, &b, bx, by);
getblockpatterns(&b, &cbpybits, &cbpcbits, 1);
/* chrominance */
encode8x8(tag, b.u, 1, cbpcbits&2);
encode8x8(tag, b.v, 1, cbpcbits&1);
+
+ /* reconstruct */
+ dequantize(&b, 1, *quant);
+ doidct(&b);
+ truncateblock(&b);
+ copyblock(s, s->current, &b, bx, by);
}
-void encode_blockP(TAG*tag, VIDEOSTREAM*s, int bx, int by, int*quant)
+static void yuvdiff(fblock_t*a, fblock_t*b)
{
- fblock_t fb;
+ int t;
+ for(t=0;t<64;t++) {
+ a->y1[t] = (a->y1[t] - b->y1[t]);
+ a->y2[t] = (a->y2[t] - b->y2[t]);
+ a->y3[t] = (a->y3[t] - b->y3[t]);
+ a->y4[t] = (a->y4[t] - b->y4[t]);
+ a->u[t] = (a->u[t] - b->u[t]);
+ a->v[t] = (a->v[t] - b->v[t]);
+ }
+}
+
+static void encode_blockP(TAG*tag, VIDEOSTREAM*s, int bx, int by, int*quant)
+{
+ fblock_t fb,fbdiff, fbold;
block_t b;
int dquant=0;
int has_mvd=0;
int has_dc=1;
int mode = 0;
int cbpcbits = 0, cbpybits=0;
+ int diff;
- {
- int diff;
- diff = compareregions(s, bx, by);
- if(diff < 64/*TODO: should be a parameter*/) {
- swf_SetBits(tag, 1,1); /* cod=1, block skipped */
- return;
+ diff = compareregions(s, bx, by);
+ if(diff < 24 /*TODO: should be a parameter- good values are between 32 and 48 */) {
+ swf_SetBits(tag, 1,1); /* cod=1, block skipped */
+ copyregion(s, s->current, s->oldpic, bx, by);
+ return;
+ }
+
+ getregion(&fb, s->current, bx, by, s->width);
+
+ //if(diff < 128)
+ if(1)
+ {
+ /* mvd (0,0) block (mode=0) */
+ int t;
+ memcpy(&fbdiff, &fb, sizeof(fblock_t));
+ getregion(&fbold, s->oldpic, bx, by, s->linex);
+ yuvdiff(&fbdiff, &fbold);
+ //getregiondiff(&fbdiff, s->oldpic, s->current, bx, by, s->linex);
+ dodct(&fbdiff);
+ has_dc = 0;
+
+ quantize(&fbdiff, &b, has_dc, *quant);
+ getblockpatterns(&b, &cbpybits, &cbpcbits, has_dc);
+ mode = 0; // mvd w/o mvd24
+ swf_SetBits(tag,0,1); // COD
+ codehuffman(tag, mcbpc_inter, mode*4+cbpcbits);
+ codehuffman(tag, cbpy, cbpybits^15);
+
+ /* 0,0 */
+ codehuffman(tag, mvd, 32);
+ codehuffman(tag, mvd, 32);
+
+ /* luminance */
+ encode8x8(tag, b.y1, has_dc, cbpybits&8);
+ encode8x8(tag, b.y2, has_dc, cbpybits&4);
+ encode8x8(tag, b.y3, has_dc, cbpybits&2);
+ encode8x8(tag, b.y4, has_dc, cbpybits&1);
+
+ /* chrominance */
+ encode8x8(tag, b.u, has_dc, cbpcbits&2);
+ encode8x8(tag, b.v, has_dc, cbpcbits&1);
+
+ /* -- reconstruction -- */
+ dequantize(&b, 0, *quant);
+
+ doidct(&b);
+ for(t=0;t<64;t++) {
+ b.y1[t] = truncate256(b.y1[t] + (int)fbold.y1[t]);
+ b.y2[t] = truncate256(b.y2[t] + (int)fbold.y2[t]);
+ b.y3[t] = truncate256(b.y3[t] + (int)fbold.y3[t]);
+ b.y4[t] = truncate256(b.y4[t] + (int)fbold.y4[t]);
+ b.u[t] = truncate256(b.u[t] + (int)fbold.u[t]);
+ b.v[t] = truncate256(b.v[t] + (int)fbold.v[t]);
}
+ copyblock(s, s->current, &b, bx, by);
+ return;
+ } else {
+ /* i block (mode=3) */
+ mode = 3;
+ has_dc = 1;
+ dodct(&fb);
+ quantize(&fb, &b, has_dc, *quant);
+ getblockpatterns(&b, &cbpybits, &cbpcbits, has_dc);
+ swf_SetBits(tag,0,1); // COD
+ codehuffman(tag, mcbpc_inter, mode*4+cbpcbits);
+ codehuffman(tag, cbpy, cbpybits);
+
+ /* luminance */
+ encode8x8(tag, b.y1, has_dc, cbpybits&8);
+ encode8x8(tag, b.y2, has_dc, cbpybits&4);
+ encode8x8(tag, b.y3, has_dc, cbpybits&2);
+ encode8x8(tag, b.y4, has_dc, cbpybits&1);
+
+ /* chrominance */
+ encode8x8(tag, b.u, has_dc, cbpcbits&2);
+ encode8x8(tag, b.v, has_dc, cbpcbits&1);
+
+ dequantize(&b, 1, *quant);
+ doidct(&b);
+ truncateblock(&b);
+ copyblock(s, s->current, &b, bx, by);
+ return;
}
- getregion(&fb, s->current, bx, by, s->width, s->height);
+ exit(1);
+#if 0
dodct(&fb);
-
- change_quant(*quant, &dquant);
- *quant += dquant;
-
quantize(&fb, &b, has_dc, *quant);
-
getblockpatterns(&b, &cbpybits, &cbpcbits, has_dc);
if(!dquant && has_mvd && !has_mvd24 && !has_dc) mode = 0;
codehuffman(tag, mcbpc_inter, mode*4+cbpcbits);
codehuffman(tag, cbpy, (mode==3 || mode==4)?cbpybits:cbpybits^15);
- if(!bx&&!by) {
- printf("cbpcbits: %d\n", cbpcbits);
- printf("cbpybits: %d\n", cbpybits);
- }
-
if(dquant) {
setQuant(tag, dquant);
}
if(has_mvd) {
+ /* 0,0 */
+ codehuffman(tag, mvd, 32);
+ codehuffman(tag, mvd, 32);
}
if(has_mvd24) {
}
/* chrominance */
encode8x8(tag, b.u, has_dc, cbpcbits&2);
encode8x8(tag, b.v, has_dc, cbpcbits&1);
+#endif
}
#define TYPE_IFRAME 0
swf_SetBits(tag, type, 2); /* I-Frame or P-Frame */
swf_SetBits(tag, 0, 1); /* No deblock filter */
+ assert(quant>0);
swf_SetBits(tag, quant, 5); /* quantizer (1-31), may be updated later on*/
swf_SetBits(tag, 0, 1); /* No extra info */
}
void swf_SetVideoStreamIFrame(TAG*tag, VIDEOSTREAM*s, RGBA*pic)
{
int bx, by, bbx, bby;
- int quant = 7;
+ int quant = 3;
writeHeader(tag, s->width, s->height, s->frame, quant, TYPE_IFRAME);
- bbx = (s->width+15)/16;
+ bbx = (s->width+15)/16; //TODO: move bbx,bby into VIDEOSTREAM
bby = (s->height+15)/16;
- s->current = pic;
+ rgb2yuv(s->current, pic, s->linex, s->width, s->height);
for(by=0;by<bby;by++)
{
}
}
s->frame++;
+ memcpy(s->oldpic, s->current, s->width*s->height*sizeof(YUV));
}
void swf_SetVideoStreamPFrame(TAG*tag, VIDEOSTREAM*s, RGBA*pic)
{
int bx, by, bbx, bby;
- int quant = 7;
+ int quant = 3;
writeHeader(tag, s->width, s->height, s->frame, quant, TYPE_PFRAME);
bbx = (s->width+15)/16;
bby = (s->height+15)/16;
- s->current = pic;
+ rgb2yuv(s->current, pic, s->linex, s->width, s->height);
for(by=0;by<bby;by++)
{
}
}
s->frame++;
+ memcpy(s->oldpic, s->current, s->width*s->height*sizeof(YUV));
+
+ {
+ int t;
+ FILE*fi = fopen("test.ppm", "wb");
+ yuv2rgb(pic, s->current, s->linex, s->width, s->height);
+ fprintf(fi, "P6\n%d %d\n255\n", s->width, s->height);
+ for(t=0;t<s->width*s->height;t++)
+ {
+ fwrite(&pic[t].r, 1, 1, fi);
+ fwrite(&pic[t].g, 1, 1, fi);
+ fwrite(&pic[t].b, 1, 1, fi);
+ }
+ fclose(fi);
+ }
}
int main(int argn, char*argv[])
SWFPLACEOBJECT obj;
int width = 0;
int height = 0;
- int frames = 100;
+ int frames = 50;
+ int framerate = 29;
unsigned char*data;
char* fname = "/home/kramm/pics/peppers.png";
VIDEOSTREAM stream;
memset(&obj,0,sizeof(obj));
swf.fileVersion = 6;
- swf.frameRate = 29*256;
+ swf.frameRate = framerate*256;
swf.movieSize.xmax = 20*width;
swf.movieSize.ymax = 20*height;
tag = swf_InsertTag(tag, ST_END);
fi = open("video3.swf", O_WRONLY|O_CREAT|O_TRUNC, 0644);
- if(swf_WriteSWF(fi,&swf)<0) {
+ if(swf_WriteSWC(fi,&swf)<0) {
fprintf(stderr,"WriteSWF() failed.\n");
}
close(fi);
git.asbjorn.biz / swftools.git / commitdiff