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avfilter/xbr: refactor src/dst pointers definitions into a macro

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pull/96/head
Clément Bœsch 10 years ago
parent 18e4bf4f54
commit 7e91f77547
1 changed files with 25 additions and 80 deletions
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  1. 105
      libavfilter/vf_xbr.c

105
libavfilter/vf_xbr.c
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@ -96,6 +96,28 @@ static uint32_t pixel_diff(uint32_t x, uint32_t y, const uint32_t *r2y)
#define eq(A, B)\
(df(A, B) < 155)\
#define INIT_SRC_DST_POINTERS(level) \
uint32_t *E = (uint32_t *)(output->data[0] + y * output->linesize[0] * (level)); \
const uint32_t *sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8); /* center */ \
const uint32_t *sa1 = sa2 - (input->linesize[0]>>2); /* up x1 */ \
const uint32_t *sa0 = sa1 - (input->linesize[0]>>2); /* up x2 */ \
const uint32_t *sa3 = sa2 + (input->linesize[0]>>2); /* down x1 */ \
const uint32_t *sa4 = sa3 + (input->linesize[0]>>2); /* down x2 */ \
\
if (y <= 1) { \
sa0 = sa1; \
if (y == 0) { \
sa0 = sa1 = sa2; \
} \
} \
\
if (y >= input->height - 2) { \
sa4 = sa3; \
if (y == input->height - 1) { \
sa4 = sa3 = sa2; \
} \
}
#define INIT_21_PIXELS \
const uint32_t B1 = sa0[2]; \
const uint32_t PB = sa1[2]; \
@ -167,32 +189,7 @@ static void xbr2x(AVFrame * input, AVFrame * output, const uint32_t * r2y)
int next_line = output->linesize[0]>>2;
for (y = 0; y < input->height; y++) {
uint32_t * E = (uint32_t *)(output->data[0] + y * output->linesize[0] * 2);
/* middle. Offset of -8 is given */
const uint32_t *sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8);
/* up one */
const uint32_t *sa1 = sa2 - (input->linesize[0]>>2);
/* up two */
const uint32_t *sa0 = sa1 - (input->linesize[0]>>2);
/* down one */
const uint32_t *sa3 = sa2 + (input->linesize[0]>>2);
/* down two */
const uint32_t *sa4 = sa3 + (input->linesize[0]>>2);
if (y <= 1) {
sa0 = sa1;
if (y == 0) {
sa0 = sa1 = sa2;
}
}
if (y >= input->height - 2) {
sa4 = sa3;
if (y == input->height - 1) {
sa4 = sa3 = sa2;
}
}
INIT_SRC_DST_POINTERS(2)
for (x = 0; x < input->width; x++) {
INIT_21_PIXELS
@ -264,33 +261,7 @@ static void xbr3x(AVFrame *input, AVFrame *output, const uint32_t *r2y)
int x,y;
for (y = 0; y < input->height; y++) {
uint32_t * E = (uint32_t *)(output->data[0] + y * output->linesize[0] * 3);
/* middle. Offset of -8 is given */
const uint32_t *sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8);
/* up one */
const uint32_t *sa1 = sa2 - (input->linesize[0]>>2);
/* up two */
const uint32_t *sa0 = sa1 - (input->linesize[0]>>2);
/* down one */
const uint32_t *sa3 = sa2 + (input->linesize[0]>>2);
/* down two */
const uint32_t *sa4 = sa3 + (input->linesize[0]>>2);
if (y <= 1){
sa0 = sa1;
if (y == 0){
sa0 = sa1 = sa2;
}
}
if (y >= input->height - 2){
sa4 = sa3;
if (y == input->height - 1){
sa4 = sa3 = sa2;
}
}
INIT_SRC_DST_POINTERS(3)
for (x = 0; x < input->width; x++){
INIT_21_PIXELS
@ -370,33 +341,7 @@ static void xbr4x(AVFrame *input, AVFrame *output, const uint32_t *r2y)
int x, y;
for (y = 0; y < input->height; y++) {
uint32_t * E = (uint32_t *)(output->data[0] + y * output->linesize[0] * 4);
/* middle. Offset of -8 is given */
const uint32_t *sa2 = (uint32_t *)(input->data[0] + y * input->linesize[0] - 8);
/* up one */
const uint32_t *sa1 = sa2 - (input->linesize[0]>>2);
/* up two */
const uint32_t *sa0 = sa1 - (input->linesize[0]>>2);
/* down one */
const uint32_t *sa3 = sa2 + (input->linesize[0]>>2);
/* down two */
const uint32_t *sa4 = sa3 + (input->linesize[0]>>2);
if (y <= 1) {
sa0 = sa1;
if (y == 0) {
sa0 = sa1 = sa2;
}
}
if (y >= input->height - 2) {
sa4 = sa3;
if (y == input->height - 1) {
sa4 = sa3 = sa2;
}
}
INIT_SRC_DST_POINTERS(4)
for (x = 0; x < input->width; x++) {
INIT_21_PIXELS

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