Trect* TimgFilterSharpen::init(TffRect *rect,int full)
{
Trect *r=TimgFilter::init(rect,full);
if (!Ymin)
{
Ymin=(unsigned char*)xvid_malloc(strideY*dyY*2,MCACHE_LINE);
Ymax=(unsigned char*)xvid_malloc(strideY*dyY,MCACHE_LINE);
}
return r;
}
Trect* TimgFilterTimesmooth::init(TffRect *rect,int full)
{
Trect *r=TimgFilter::init(rect,full);
if (!accumY)
{
accumY=(unsigned char*)xvid_malloc(dxY *dyY *KERNEL,MCACHE_LINE);memset(accumY, 0,dxY *dyY *KERNEL);
accumU=(unsigned char*)xvid_malloc(dxUV*dyUV*KERNEL,MCACHE_LINE);memset(accumU,128,dxUV*dyUV*KERNEL);
accumV=(unsigned char*)xvid_malloc(dxUV*dyUV*KERNEL,MCACHE_LINE);memset(accumV,128,dxUV*dyUV*KERNEL);
}
return r;
}
/* memory alloc */
void *av_malloc(int size)
{
void *ptr = xvid_malloc(size,64);
if (!ptr) return NULL;
memset(ptr, 0, size);
return ptr;
}
void *xvid_calloc(size_t size1, size_t size2, uint8_t alignment)
{
unsigned int size=size1*size2;
uint8_t *ret=xvid_malloc(size,alignment);
if (ret)
memset(ret,0,size);
return ret;
}
int32_t
image_create(IMAGE * image,
uint32_t edged_width,
uint32_t edged_height)
{
const uint32_t edged_width2 = edged_width / 2;
const uint32_t edged_height2 = edged_height / 2;
image->y =
xvid_malloc(edged_width * (edged_height + 1) + SAFETY, CACHE_LINE);
if (image->y == NULL) {
return -1;
}
memset(image->y, 0, edged_width * (edged_height + 1) + SAFETY);
image->u = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE);
if (image->u == NULL) {
xvid_free(image->y);
image->y = NULL;
return -1;
}
memset(image->u, 0, edged_width2 * edged_height2 + SAFETY);
image->v = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE);
if (image->v == NULL) {
xvid_free(image->u);
image->u = NULL;
xvid_free(image->y);
image->y = NULL;
return -1;
}
memset(image->v, 0, edged_width2 * edged_height2 + SAFETY);
image->y += EDGE_SIZE * edged_width + EDGE_SIZE;
image->u += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2;
image->v += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2;
return 0;
}
/* memory alloc */
void *av_mallocz(int size)
{
void *ptr;
#if defined ( ARCH_X86 ) && defined ( HAVE_MEMALIGN )
ptr = memalign(64,size);
/* Why 64?
Indeed, we should align it:
on 4 for 386
on 16 for 486
on 32 for 586, PPro - k6-III
on 64 for K7 (maybe for P3 too).
Because L1 and L2 caches are aligned on those values.
But I don't want to code such logic here!
*/
#else
ptr = xvid_malloc(size,64);
#endif
if (!ptr)
return NULL;
memset(ptr, 0, size);
return ptr;
}
xint
m4v_init_decoder(DEC_CTRL * param, uint8 * video_header,
xint header_size)
{
DECODER *dec;
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE);
if (dec == NULL)
{
return XVID_ERR_MEMORY;
}
param->handle = dec;
/* decode video header for frame width & height */
m4v_decode_header(dec, video_header, header_size);
param->width = dec->width;
param->height = dec->height;
dec->mb_width = (dec->width + 15) / 16;
dec->mb_height = (dec->height + 15) / 16;
dec->num_mb = dec->mb_height * dec->mb_width;
dec->nbits_mba = log2bin(dec->num_mb - 1);
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE;
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE;
dec->decoder_clock = 0;
dec->slice =
xvid_malloc(sizeof(xint) * (dec->mb_width + 1) *
(dec->mb_height + 1), CACHE_LINE);
if (dec->slice == NULL)
return XVID_ERR_MEMORY;
if (image_create(&dec->cur, dec->edged_width, dec->edged_height))
{
xvid_free(dec);
return XVID_ERR_MEMORY;
}
if (image_create(&dec->refn, dec->edged_width, dec->edged_height))
{
image_destroy(&dec->cur, dec->edged_width, dec->edged_height);
xvid_free(dec);
return XVID_ERR_MEMORY;
}
dec->mbs =
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height,
CACHE_LINE);
if (dec->mbs == NULL)
{
image_destroy(&dec->refn, dec->edged_width, dec->edged_height);
image_destroy(&dec->cur, dec->edged_width, dec->edged_height);
xvid_free(dec);
return XVID_ERR_MEMORY;
}
init_timer();
init_vlc_tables();
return XVID_ERR_OK;
}