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vaapisink: fix calculation of window size.

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If either dimension is out-of-bounds, then scale window to fit the
display size, even if the output is to be rotated. Use the standard
gst_video_sink_center_rect() function to center and scale the window
wrt. the outer (display) bounds.
This commit is contained in:
Gwenole Beauchesne 2012-09-04 11:53:18 +02:00
parent c8f2358479
commit de2a18012d
1 changed files with 52 additions and 16 deletions
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68
gst/vaapi/gstvaapisink.c
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@ -378,6 +378,56 @@ gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
return TRUE;
}
static void
gst_vaapisink_ensure_window_size(GstVaapiSink *sink, guint *pwidth, guint *pheight)
{
GstVideoRectangle src_rect, dst_rect, out_rect;
guint num, den, display_width, display_height, display_par_n, display_par_d;
gboolean success, scale;
if (sink->foreign_window) {
*pwidth = sink->window_width;
*pheight = sink->window_height;
return;
}
gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
if (sink->fullscreen) {
*pwidth = display_width;
*pheight = display_height;
return;
}
gst_vaapi_display_get_pixel_aspect_ratio(
sink->display,
&display_par_n, &display_par_d
);
success = gst_video_calculate_display_ratio(
&num, &den,
sink->video_width, sink->video_height,
sink->video_par_n, sink->video_par_d,
display_par_n, display_par_d
);
if (!success) {
num = sink->video_par_n;
den = sink->video_par_d;
}
src_rect.x = 0;
src_rect.y = 0;
src_rect.w = gst_util_uint64_scale_int(sink->video_height, num, den);
src_rect.h = sink->video_height;
dst_rect.x = 0;
dst_rect.y = 0;
dst_rect.w = display_width;
dst_rect.h = display_height;
scale = (src_rect.w > dst_rect.w || src_rect.h > dst_rect.h);
gst_video_sink_center_rect(src_rect, dst_rect, &out_rect, scale);
*pwidth = out_rect.w;
*pheight = out_rect.h;
}
static inline gboolean
gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
{
@ -531,7 +581,7 @@ gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
GstStructure * const structure = gst_caps_get_structure(caps, 0);
guint win_width, win_height, display_width, display_height;
guint win_width, win_height;
gint video_width, video_height, video_par_n = 1, video_par_d = 1;
#if USE_DRM
@ -560,21 +610,7 @@ gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
gst_vaapisink_ensure_rotation(sink, FALSE);
gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
if (sink->foreign_window) {
win_width = sink->window_width;
win_height = sink->window_height;
}
else if (sink->fullscreen ||
video_width > display_width || video_height > display_height) {
win_width = display_width;
win_height = display_height;
}
else {
win_width = video_width;
win_height = video_height;
}
gst_vaapisink_ensure_window_size(sink, &win_width, &win_height);
if (sink->window) {
if (!sink->foreign_window || sink->fullscreen)
gst_vaapi_window_set_size(sink->window, win_width, win_height);