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gst/videomixer/videomixer.c: Fix strides calculation for AYUV (it's just width*4) (#436910).

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Original commit message from CVS:
* gst/videomixer/videomixer.c: (gst_videomixer_blend_ayuv_ayuv),
(gst_videomixer_fill_checker), (gst_videomixer_fill_color),
(gst_videomixer_collected):
Fix strides calculation for AYUV (it's just width*4) (#436910).
This commit is contained in:
Tim-Philipp Müller 2007-05-08 15:49:01 +00:00
parent 3d7b6f15b8
commit e38b5e7590
2 changed files with 16 additions and 19 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-05-08 Tim-Philipp Müller <tim at centricular dot net>
* gst/videomixer/videomixer.c: (gst_videomixer_blend_ayuv_ayuv),
(gst_videomixer_fill_checker), (gst_videomixer_fill_color),
(gst_videomixer_collected):
Fix strides calculation for AYUV (it's just width*4) (#436910).
2007-05-06 Sebastian Dröge <slomo@circular-chaos.org>
* gst/audiofx/audioamplify.c: (gst_audio_amplify_transform_ip):

28
gst/videomixer/videomixer.c
View file

@ -924,10 +924,6 @@ error:
#define BLEND_MODE BLEND_HARDLIGHT
#endif
#define ROUND_UP_2(x) (((x) + 1) & ~1)
#define ROUND_UP_4(x) (((x) + 3) & ~3)
#define ROUND_UP_8(x) (((x) + 7) & ~7)
/* note that this function does packing conversion and blending at the
* same time */
static void
@ -941,8 +937,8 @@ gst_videomixer_blend_ayuv_ayuv (guint8 * src, gint xpos, gint ypos,
gint src_add, dest_add;
gint Y, U, V;
src_stride = ROUND_UP_2 (src_width) * 4;
dest_stride = ROUND_UP_2 (dest_width) * 4;
src_stride = src_width * 4;
dest_stride = dest_width * 4;
b_alpha = (gint) (src_alpha * 255);
@ -965,14 +961,14 @@ gst_videomixer_blend_ayuv_ayuv (guint8 * src, gint xpos, gint ypos,
src_height = dest_height - ypos;
}
src_add = src_stride - (4 * ROUND_UP_2 (src_width));
dest_add = dest_stride - (4 * ROUND_UP_2 (src_width));
src_add = src_stride - (4 * src_width);
dest_add = dest_stride - (4 * src_width);
dest = dest + 4 * xpos + (ypos * dest_stride);
/* we convert a square of 2x2 samples to generate 4 Luma and 2 chroma samples */
for (i = 0; i < ROUND_UP_2 (src_height); i++) {
for (j = 0; j < ROUND_UP_2 (src_width); j++) {
for (i = 0; i < src_height; i++) {
for (j = 0; j < src_width; j++) {
alpha = (src[0] * b_alpha) >> 8;
BLEND_MODE (dest[1], dest[2], dest[3], src[1], src[2], src[3],
alpha, Y, U, V);
@ -1009,14 +1005,11 @@ gst_videomixer_sort_pads (GstVideoMixer * mix)
static void
gst_videomixer_fill_checker (guint8 * dest, gint width, gint height)
{
gint stride;
gint i, j;
static int tab[] = { 80, 160, 80, 160 };
stride = ROUND_UP_2 (width);
for (i = 0; i < height; i++) {
for (j = 0; j < stride; j++) {
for (j = 0; j < width; j++) {
*dest++ = 0xff;
*dest++ = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)];
*dest++ = 128;
@ -1029,13 +1022,10 @@ static void
gst_videomixer_fill_color (guint8 * dest, gint width, gint height,
gint colY, gint colU, gint colV)
{
gint stride;
gint i, j;
stride = ROUND_UP_2 (width);
for (i = 0; i < height; i++) {
for (j = 0; j < stride; j++) {
for (j = 0; j < width; j++) {
*dest++ = 0xff;
*dest++ = colY;
*dest++ = colU;
@ -1190,7 +1180,7 @@ gst_videomixer_collected (GstCollectPads * pads, GstVideoMixer * mix)
}
/* Calculating out buffer size from input size */
outsize = ROUND_UP_2 (mix->in_width) * ROUND_UP_2 (mix->in_height) * 4;
outsize = 4 * mix->in_width * GST_ROUND_UP_2 (mix->in_height);
/* If geometry has changed we need to set new caps on the buffer */
if (mix->in_width != mix->out_width || mix->in_height != mix->out_height