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Use the gstutil scaling function to preserve 64 bits while calculating output width and height from the display-aspec...

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Original commit message from CVS:
* gst/videoscale/gstvideoscale.c: (gst_video_scale_fixate_caps):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_setcaps):
Use the gstutil scaling function to preserve 64 bits while calculating
output width and height from the display-aspect-ratio. (A continuation
of #341542)
This commit is contained in:
Jan Schmidt 2006-05-19 13:02:46 +00:00
parent 47e7f3f367
commit f3b81a7de1
3 changed files with 20 additions and 9 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2006-05-19 Jan Schmidt <thaytan@mad.scientist.com>
* gst/videoscale/gstvideoscale.c: (gst_video_scale_fixate_caps):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_setcaps):
Use the gstutil scaling function to preserve 64 bits while calculating
output width and height from the display-aspect-ratio. (A continuation
of #341542)
2006-05-19 Jan Schmidt <thaytan@mad.scientist.com>
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_xcontext_clear),

12
gst/videoscale/gstvideoscale.c
View file

@ -600,10 +600,10 @@ gst_video_scale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
/* if one of the output width or height is fixed, we work from there */
if (h) {
GST_DEBUG_OBJECT (base, "height is fixed,scaling width");
w = h * num / den;
w = (guint) gst_util_uint64_scale_int (h, num, den);
} else if (w) {
GST_DEBUG_OBJECT (base, "width is fixes, scaling height");
h = w * den / num;
GST_DEBUG_OBJECT (base, "width is fixed, scaling height");
h = (guint) gst_util_uint64_scale_int (w, den, num);
} else {
/* none of width or height is fixed, figure out both of them based only on
* the input width and height */
@ -611,15 +611,15 @@ gst_video_scale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
if (from_h % den == 0) {
GST_DEBUG_OBJECT (base, "keeping video height");
h = from_h;
w = h * num / den;
w = (guint) gst_util_uint64_scale_int (h, num, den);
} else if (from_w % num == 0) {
GST_DEBUG_OBJECT (base, "keeping video width");
w = from_w;
h = w * den / num;
h = (guint) gst_util_uint64_scale_int (w, den, num);
} else {
GST_DEBUG_OBJECT (base, "approximating but keeping video height");
h = from_h;
w = h * num / den;
w = (guint) gst_util_uint64_scale_int (h, num, den);
}
}
GST_DEBUG_OBJECT (base, "scaling to %dx%d", w, h);

9
sys/xvimage/xvimagesink.c
View file

@ -1670,15 +1670,18 @@ gst_xvimagesink_setcaps (GstBaseSink * bsink, GstCaps * caps)
/* check hd / den is an integer scale factor, and scale wd with the PAR */
if (video_height % den == 0) {
GST_DEBUG_OBJECT (xvimagesink, "keeping video height");
GST_VIDEO_SINK_WIDTH (xvimagesink) = video_height * num / den;
GST_VIDEO_SINK_WIDTH (xvimagesink) = (guint)
gst_util_uint64_scale_int (video_height, num, den);
GST_VIDEO_SINK_HEIGHT (xvimagesink) = video_height;
} else if (video_width % num == 0) {
GST_DEBUG_OBJECT (xvimagesink, "keeping video width");
GST_VIDEO_SINK_WIDTH (xvimagesink) = video_width;
GST_VIDEO_SINK_HEIGHT (xvimagesink) = video_width * den / num;
GST_VIDEO_SINK_HEIGHT (xvimagesink) = (guint)
gst_util_uint64_scale_int (video_width, den, num);
} else {
GST_DEBUG_OBJECT (xvimagesink, "approximating while keeping video height");
GST_VIDEO_SINK_WIDTH (xvimagesink) = video_height * num / den;
GST_VIDEO_SINK_WIDTH (xvimagesink) = (guint)
gst_util_uint64_scale_int (video_height, num, den);
GST_VIDEO_SINK_HEIGHT (xvimagesink) = video_height;
}
GST_DEBUG_OBJECT (xvimagesink, "scaling to %dx%d",