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glviewconvert: wait and set the gl sync meta on buffers

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This may be a cause of out-of-place frames when transforming multiview
buffers.
This commit is contained in:
Matthew Waters 2018-09-26 13:22:14 +10:00
parent 4d534ad8e8
commit 2c44c5fb40
1 changed files with 25 additions and 7 deletions
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32
gst-libs/gst/gl/gstglviewconvert.c
View file

@ -37,14 +37,8 @@
#include <gst/video/gstvideoaffinetransformationmeta.h>
#include "gstglcontext.h"
#include "gstglframebuffer.h"
#include "gstglmemory.h"
#include "gstglshader.h"
#include "gstglshaderstrings.h"
#include "gstglsl.h"
#include "gl.h"
#include "gstglsl_private.h"
#include "gstglslstage.h"
#include "gstglutils_private.h"
#define USING_OPENGL(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL, 1, 0))
@ -2017,6 +2011,7 @@ _do_view_convert (GstGLContext * context, GstGLViewConvert * viewconvert)
gint in_views, out_views;
GstVideoMultiviewMode in_mode;
GstVideoMultiviewMode out_mode;
GstGLSyncMeta *sync_meta;
out_width = GST_VIDEO_INFO_WIDTH (&viewconvert->out_info);
out_height = GST_VIDEO_INFO_HEIGHT (&viewconvert->out_info);
@ -2149,6 +2144,18 @@ _do_view_convert (GstGLContext * context, GstGLViewConvert * viewconvert)
}
priv->n_out_tex = out_views;
if (priv->primary_in) {
if ((sync_meta = gst_buffer_get_gl_sync_meta (priv->primary_in))) {
gst_gl_sync_meta_wait (sync_meta, context);
}
}
if (priv->auxilliary_in) {
if ((sync_meta = gst_buffer_get_gl_sync_meta (priv->auxilliary_in))) {
gst_gl_sync_meta_wait (sync_meta, context);
}
}
GST_LOG_OBJECT (viewconvert, "multiview splitting to textures:%p,%p,%p,%p "
"dimensions:%ux%u, from textures:%p,%p,%p,%p dimensions:%ux%u",
priv->out_tex[0], priv->out_tex[1],
@ -2200,6 +2207,17 @@ out:
gst_buffer_replace (&priv->auxilliary_out, NULL);
}
if (priv->primary_out) {
if ((sync_meta = gst_buffer_add_gl_sync_meta (context, priv->primary_out)))
gst_gl_sync_meta_set_sync_point (sync_meta, context);
}
if (priv->auxilliary_out) {
if ((sync_meta =
gst_buffer_add_gl_sync_meta (context, priv->auxilliary_out)))
gst_gl_sync_meta_set_sync_point (sync_meta, context);
}
priv->result = res;
return;
}