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compositor/glvideomixer: fix up par handling

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We were using the wrong formula

https://bugzilla.gnome.org/show_bug.cgi?id=749634
This commit is contained in:
Matthew Waters 2015-05-21 00:56:01 +10:00 committed by Tim-Philipp Müller
parent 80fab54c0a
commit 44153e637b
1 changed files with 8 additions and 7 deletions
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15
ext/gl/gstglvideomixer.c
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@ -628,7 +628,7 @@ _mixer_pad_get_output_size (GstGLVideoMixer * mix,
GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
GstVideoAggregatorPad *vagg_pad = GST_VIDEO_AGGREGATOR_PAD (mix_pad);
gint pad_width, pad_height;
gint dar_n, dar_d;
guint dar_n, dar_d;
pad_width =
mix_pad->width <=
@ -637,21 +637,22 @@ _mixer_pad_get_output_size (GstGLVideoMixer * mix,
mix_pad->height <=
0 ? GST_VIDEO_INFO_HEIGHT (&vagg_pad->info) : mix_pad->height;
gst_util_fraction_multiply (GST_VIDEO_INFO_PAR_N (&vagg_pad->info),
gst_video_calculate_display_ratio (&dar_n, &dar_d, pad_width, pad_height,
GST_VIDEO_INFO_PAR_N (&vagg_pad->info),
GST_VIDEO_INFO_PAR_D (&vagg_pad->info),
GST_VIDEO_INFO_PAR_D (&vagg->info), GST_VIDEO_INFO_PAR_N (&vagg->info),
&dar_n, &dar_d);
GST_VIDEO_INFO_PAR_N (&vagg->info), GST_VIDEO_INFO_PAR_D (&vagg->info)
);
GST_LOG_OBJECT (mix_pad, "scaling %ux%u by %u/%u (%u/%u / %u/%u)", pad_width,
pad_height, dar_n, dar_d, GST_VIDEO_INFO_PAR_N (&vagg_pad->info),
GST_VIDEO_INFO_PAR_D (&vagg_pad->info),
GST_VIDEO_INFO_PAR_N (&vagg->info), GST_VIDEO_INFO_PAR_D (&vagg->info));
if (pad_height % dar_n == 0) {
pad_height = gst_util_uint64_scale_int (pad_width, dar_n, dar_d);
pad_width = gst_util_uint64_scale_int (pad_height, dar_n, dar_d);
} else if (pad_width % dar_d == 0) {
pad_width = gst_util_uint64_scale_int (pad_height, dar_d, dar_n);
pad_height = gst_util_uint64_scale_int (pad_width, dar_d, dar_n);
} else {
pad_height = gst_util_uint64_scale_int (pad_width, dar_n, dar_d);
pad_width = gst_util_uint64_scale_int (pad_height, dar_n, dar_d);
}
if (width)