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glvideomixer: skip input frames with an alpha of 0

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This commit is contained in:
Matthew Waters 2014-09-24 14:29:37 +10:00
parent e0459f1b65
commit e0476bf014
1 changed files with 5 additions and 3 deletions
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8
ext/gl/gstglvideomixer.c
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@ -611,12 +611,14 @@ gst_gl_video_mixer_callback (gpointer stuff)
in_width = GST_VIDEO_INFO_WIDTH (&GST_VIDEO_AGGREGATOR_PAD (pad)->info);
in_height = GST_VIDEO_INFO_HEIGHT (&GST_VIDEO_AGGREGATOR_PAD (pad)->info);
if (!frame->texture || in_width <= 0 || in_height <= 0) {
GST_DEBUG ("skipping texture:%u frame:%p width:%u height %u",
frame->texture, frame, in_width, in_height);
if (!frame->texture || in_width <= 0 || in_height <= 0
|| pad->alpha == 0.0f) {
GST_DEBUG ("skipping texture:%u frame:%p width:%u height:%u alpha:%f",
frame->texture, frame, in_width, in_height, pad->alpha);
count++;
continue;
}
in_tex = frame->texture;
pad_width = pad->width <= 0 ? in_width : pad->width;
pad_height = pad->height <= 0 ? in_height : pad->height;