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vaapisink: fix calculation of render region.

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This commit is contained in:
Gwenole Beauchesne 2012-01-09 16:51:35 +01:00
parent b1aee91aa0
commit 8866a7c223
1 changed files with 13 additions and 37 deletions
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48
gst/vaapi/gstvaapisink.c
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@ -293,7 +293,6 @@ gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
{
GstVaapiRectangle * const display_rect = &sink->display_rect;
guint num, den, display_par_n, display_par_d;
double display_ratio;
gboolean success;
GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
@ -316,47 +315,24 @@ gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
sink->video_width, sink->video_height, num, den);
if ((sink->video_height % den) == 0) {
GST_DEBUG("keeping video height");
display_rect->width =
gst_util_uint64_scale_int(sink->video_height, num, den);
display_rect->height = sink->video_height;
}
else if ((sink->video_width % num) == 0) {
GST_DEBUG("keeping video width");
display_rect->width = sink->video_width;
display_rect->height =
gst_util_uint64_scale_int(sink->video_width, den, num);
}
else {
GST_DEBUG("approximating while keeping video height");
display_rect->width =
gst_util_uint64_scale_int(sink->video_height, num, den);
display_rect->height = sink->video_height;
}
display_ratio = (gdouble)display_rect->width / display_rect->height;
GST_DEBUG("scaling to %ux%u", display_rect->width, display_rect->height);
if (sink->fullscreen || sink->foreign_window ||
display_rect->width > width || display_rect->height > height) {
if (sink->video_width > sink->video_height) {
display_rect->width = width;
display_rect->height = width / display_ratio;
}
else {
display_rect->width = height * display_ratio;
display_rect->width = gst_util_uint64_scale_int(height, num, den);
if (display_rect->width <= width) {
GST_DEBUG("keeping window height");
display_rect->height = height;
}
else {
GST_DEBUG("keeping window width");
display_rect->width = width;
display_rect->height =
gst_util_uint64_scale_int(width, den, num);
}
GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
g_assert(display_rect->width <= width);
g_assert(display_rect->height <= height);
if (sink->fullscreen) {
display_rect->x = (width - display_rect->width) / 2;
display_rect->y = (height - display_rect->height) / 2;
}
else {
display_rect->x = 0;
display_rect->y = 0;
}
GST_DEBUG("render rect (%d,%d):%ux%u",
display_rect->x, display_rect->y,