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authorRonald S. Bultje <rsbultje@gmail.com>2012-04-05 17:30:19 -0700
committerRonald S. Bultje <rsbultje@gmail.com>2012-04-13 14:21:58 -0700
commit9206ac80a5c3256738b887cf3cfe39f385ebc672 (patch)
treeb01bf45999876db77b1fe0b69ddfa407388ff086 /libswscale
parentf5be7958e313f3f62505ea7f90007800e8e1dcb5 (diff)
downloadffmpeg-9206ac80a5c3256738b887cf3cfe39f385ebc672.tar.gz
swscale: handle last pixel if lines have an odd width.
Fixes bug 270.
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/output.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/libswscale/output.c b/libswscale/output.c
index f1acf9ec92..5bc25fc35a 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -466,7 +466,7 @@ yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,
{
int i;
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
@@ -509,7 +509,7 @@ yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
int uvalpha1 = 4095 - uvalpha;
int i;
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
@@ -534,7 +534,7 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
int i;
if (uvalpha < 2048) {
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = ubuf0[i] >> 7;
@@ -549,7 +549,7 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = (ubuf0[i] + ubuf1[i]) >> 8;
@@ -589,7 +589,7 @@ yuv2rgb48_X_c_template(SwsContext *c, const int16_t *lumFilter,
{
int i;
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j;
int Y1 = -0x40000000;
int Y2 = -0x40000000;
@@ -652,7 +652,7 @@ yuv2rgb48_2_c_template(SwsContext *c, const int32_t *buf[2],
int uvalpha1 = 4095 - uvalpha;
int i;
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha + (-128 << 23)) >> 14;
@@ -690,7 +690,7 @@ yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,
int i;
if (uvalpha < 2048) {
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + (-128 << 11)) >> 2;
@@ -718,7 +718,7 @@ yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,
}
} else {
const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + ubuf1[i] + (-128 << 12)) >> 3;
@@ -932,7 +932,7 @@ yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,
{
int i;
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j, A1, A2;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
@@ -999,7 +999,7 @@ yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],
int uvalpha1 = 4095 - uvalpha;
int i;
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
@@ -1037,7 +1037,7 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
int i;
if (uvalpha < 2048) {
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = ubuf0[i] >> 7;
@@ -1064,7 +1064,7 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
- for (i = 0; i < (dstW >> 1); i++) {
+ for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = (ubuf0[i] + ubuf1[i]) >> 8;