memcpy(last_line + (i + 1) * wrap, last_line, (width + w + w) * sizeof(pixel)); // bottom
}
-/**
- * Copy a rectangular area of samples to a temporary buffer and replicate the border samples.
- * @param buf destination buffer
- * @param src source buffer
- * @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
- * @param block_w width of block
- * @param block_h height of block
- * @param src_x x coordinate of the top left sample of the block in the source buffer
- * @param src_y y coordinate of the top left sample of the block in the source buffer
- * @param w width of the source buffer
- * @param h height of the source buffer
- */
-void FUNC(ff_emulated_edge_mc)(uint8_t *buf, const uint8_t *src, int linesize, int block_w, int block_h,
- int src_x, int src_y, int w, int h){
- int x, y;
- int start_y, start_x, end_y, end_x;
-
- if(src_y>= h){
- src+= (h-1-src_y)*linesize;
- src_y=h-1;
- }else if(src_y<=-block_h){
- src+= (1-block_h-src_y)*linesize;
- src_y=1-block_h;
- }
- if(src_x>= w){
- src+= (w-1-src_x)*sizeof(pixel);
- src_x=w-1;
- }else if(src_x<=-block_w){
- src+= (1-block_w-src_x)*sizeof(pixel);
- src_x=1-block_w;
- }
-
- start_y= FFMAX(0, -src_y);
- start_x= FFMAX(0, -src_x);
- end_y= FFMIN(block_h, h-src_y);
- end_x= FFMIN(block_w, w-src_x);
- assert(start_y < end_y && block_h);
- assert(start_x < end_x && block_w);
-
- w = end_x - start_x;
- src += start_y*linesize + start_x*sizeof(pixel);
- buf += start_x*sizeof(pixel);
-
- //top
- for(y=0; y<start_y; y++){
- memcpy(buf, src, w*sizeof(pixel));
- buf += linesize;
- }
-
- // copy existing part
- for(; y<end_y; y++){
- memcpy(buf, src, w*sizeof(pixel));
- src += linesize;
- buf += linesize;
- }
-
- //bottom
- src -= linesize;
- for(; y<block_h; y++){
- memcpy(buf, src, w*sizeof(pixel));
- buf += linesize;
- }
-
- buf -= block_h * linesize + start_x*sizeof(pixel);
- while (block_h--){
- pixel *bufp = (pixel*)buf;
- //left
- for(x=0; x<start_x; x++){
- bufp[x] = bufp[start_x];
- }
-
- //right
- for(x=end_x; x<block_w; x++){
- bufp[x] = bufp[end_x - 1];
- }
- buf += linesize;
- }
+#define DCTELEM_FUNCS(dctcoef, suffix) \
+static void FUNCC(get_pixels ## suffix)(DCTELEM *restrict _block, \
+ const uint8_t *_pixels, \
+ int line_size) \
+{ \
+ const pixel *pixels = (const pixel *) _pixels; \
+ dctcoef *restrict block = (dctcoef *) _block; \
+ int i; \
+ \
+ /* read the pixels */ \
+ for(i=0;i<8;i++) { \
+ block[0] = pixels[0]; \
+ block[1] = pixels[1]; \
+ block[2] = pixels[2]; \
+ block[3] = pixels[3]; \
+ block[4] = pixels[4]; \
+ block[5] = pixels[5]; \
+ block[6] = pixels[6]; \
+ block[7] = pixels[7]; \
+ pixels += line_size / sizeof(pixel); \
+ block += 8; \
+ } \
+} \
+ \
+static void FUNCC(add_pixels8 ## suffix)(uint8_t *restrict _pixels, \
+ DCTELEM *_block, \
+ int line_size) \
+{ \
+ int i; \
+ pixel *restrict pixels = (pixel *restrict)_pixels; \
+ dctcoef *block = (dctcoef*)_block; \
+ line_size /= sizeof(pixel); \
+ \
+ for(i=0;i<8;i++) { \
+ pixels[0] += block[0]; \
+ pixels[1] += block[1]; \
+ pixels[2] += block[2]; \
+ pixels[3] += block[3]; \
+ pixels[4] += block[4]; \
+ pixels[5] += block[5]; \
+ pixels[6] += block[6]; \
+ pixels[7] += block[7]; \
+ pixels += line_size; \
+ block += 8; \
+ } \
+} \
+ \
+static void FUNCC(add_pixels4 ## suffix)(uint8_t *restrict _pixels, \
+ DCTELEM *_block, \
+ int line_size) \
+{ \
+ int i; \
+ pixel *restrict pixels = (pixel *restrict)_pixels; \
+ dctcoef *block = (dctcoef*)_block; \
+ line_size /= sizeof(pixel); \
+ \
+ for(i=0;i<4;i++) { \
+ pixels[0] += block[0]; \
+ pixels[1] += block[1]; \
+ pixels[2] += block[2]; \
+ pixels[3] += block[3]; \
+ pixels += line_size; \
+ block += 4; \
+ } \
+} \
+ \
+static void FUNCC(clear_block ## suffix)(DCTELEM *block) \
+{ \
+ memset(block, 0, sizeof(dctcoef)*64); \
+} \
+ \
+/** \
+ * memset(blocks, 0, sizeof(DCTELEM)*6*64) \
+ */ \
+static void FUNCC(clear_blocks ## suffix)(DCTELEM *blocks) \
+{ \
+ memset(blocks, 0, sizeof(dctcoef)*6*64); \
}
-static void FUNCC(add_pixels8)(uint8_t *restrict _pixels, DCTELEM *_block, int line_size)
-{
- int i;
- pixel *restrict pixels = (pixel *restrict)_pixels;
- dctcoef *block = (dctcoef*)_block;
- line_size /= sizeof(pixel);
-
- for(i=0;i<8;i++) {
- pixels[0] += block[0];
- pixels[1] += block[1];
- pixels[2] += block[2];
- pixels[3] += block[3];
- pixels[4] += block[4];
- pixels[5] += block[5];
- pixels[6] += block[6];
- pixels[7] += block[7];
- pixels += line_size;
- block += 8;
- }
-}
-
-static void FUNCC(add_pixels4)(uint8_t *restrict _pixels, DCTELEM *_block, int line_size)
-{
- int i;
- pixel *restrict pixels = (pixel *restrict)_pixels;
- dctcoef *block = (dctcoef*)_block;
- line_size /= sizeof(pixel);
-
- for(i=0;i<4;i++) {
- pixels[0] += block[0];
- pixels[1] += block[1];
- pixels[2] += block[2];
- pixels[3] += block[3];
- pixels += line_size;
- block += 4;
- }
-}
+DCTELEM_FUNCS(DCTELEM, _16)
+#if BIT_DEPTH > 8
+DCTELEM_FUNCS(dctcoef, _32)
+#endif
#define PIXOP2(OPNAME, OP) \
static void FUNCC(OPNAME ## _pixels2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
void FUNCC(ff_avg_pixels16x16)(uint8_t *dst, uint8_t *src, int stride) {
FUNCC(avg_pixels16)(dst, src, stride, 16);
}
-
-static void FUNCC(clear_block)(DCTELEM *block)
-{
- memset(block, 0, sizeof(dctcoef)*64);
-}
-
-/**
- * memset(blocks, 0, sizeof(DCTELEM)*6*64)
- */
-static void FUNCC(clear_blocks)(DCTELEM *blocks)
-{
- memset(blocks, 0, sizeof(dctcoef)*6*64);
-}
projects / ffmpeg / blobdiff