diff options
| author | Benjamin Otte <otte@gnome.org> | 2009-09-10 10:08:28 +0200 |
|---|---|---|
| committer | Benjamin Otte <otte@gnome.org> | 2009-09-10 10:45:06 +0200 |
| commit | 35fdfcc6258c66ba462a4330a35deffb0f2b501d (patch) | |
| tree | 38cee0eb31a9ef937bffaae4cc352a89490be45d | |
| parent | ce51263142bb1f2395c700dc4259ca7d984f6cdf (diff) | |
videotestsrc: Fix image for odd widths in some formats
videotestsrc rounds chroma down. This causes it to omit the last chroma
value completely for odd widths when the chroma is downsampled.
This patch special cases the last pixel to not be rounded down.
| -rw-r--r-- | gst/videotestsrc/videotestsrc.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/gst/videotestsrc/videotestsrc.c b/gst/videotestsrc/videotestsrc.c index 853089dab..88b49f2de 100644 --- a/gst/videotestsrc/videotestsrc.c +++ b/gst/videotestsrc/videotestsrc.c @@ -1471,13 +1471,15 @@ static void paint_hline_I420 (paintinfo * p, int x, int y, int w) { int x1 = x / 2; - int x2 = (x + w) / 2; + int w1 = (x + w) / 2 - x1; int offset = y * p->ystride; int offset1 = (y / 2) * p->ustride; + if (x + w == p->width) + w1++; oil_splat_u8_ns (p->yp + offset + x, &p->yuv_color->Y, w); - oil_splat_u8_ns (p->up + offset1 + x1, &p->yuv_color->U, x2 - x1); - oil_splat_u8_ns (p->vp + offset1 + x1, &p->yuv_color->V, x2 - x1); + oil_splat_u8_ns (p->up + offset1 + x1, &p->yuv_color->U, w1); + oil_splat_u8_ns (p->vp + offset1 + x1, &p->yuv_color->V, w1); } static void @@ -1688,13 +1690,14 @@ static void paint_hline_YUY2 (paintinfo * p, int x, int y, int w) { int x1 = x / 2; - int x2 = (x + w) / 2; - int offset; + int w1 = (x + w) / 2 - x1; + int offset = y * p->ystride; - offset = y * p->ystride; + if (x + w == p->width) + w1++; oil_splat_u8 (p->yp + offset + x * 2, 2, &p->yuv_color->Y, w); - oil_splat_u8 (p->up + offset + x1 * 4, 4, &p->yuv_color->U, x2 - x1); - oil_splat_u8 (p->vp + offset + x1 * 4, 4, &p->yuv_color->V, x2 - x1); + oil_splat_u8 (p->up + offset + x1 * 4, 4, &p->yuv_color->U, w1); + oil_splat_u8 (p->vp + offset + x1 * 4, 4, &p->yuv_color->V, w1); } static void @@ -1760,13 +1763,15 @@ static void paint_hline_Y42B (paintinfo * p, int x, int y, int w) { int x1 = x / 2; - int x2 = (x + w) / 2; + int w1 = (x + w) / 2 - x1; int offset = y * p->ystride; int offset1 = y * p->ustride; + if (x + w == p->width) + w1++; oil_splat_u8_ns (p->yp + offset + x, &p->yuv_color->Y, w); - oil_splat_u8_ns (p->up + offset1 + x1, &p->yuv_color->U, x2 - x1); - oil_splat_u8_ns (p->vp + offset1 + x1, &p->yuv_color->V, x2 - x1); + oil_splat_u8_ns (p->up + offset1 + x1, &p->yuv_color->U, w1); + oil_splat_u8_ns (p->vp + offset1 + x1, &p->yuv_color->V, w1); } static void |