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glcolorconvert: try to keep the same texture-target if possible

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Fixes issues attempting to passthrough external-oes textures
This commit is contained in:
Matthew Waters 2015-11-10 23:41:24 +11:00
parent 6c97be6dfa
commit 87137e3353
1 changed files with 27 additions and 12 deletions
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39
gst-libs/gst/gl/gstglcolorconvert.c
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@ -790,6 +790,7 @@ gst_gl_color_convert_fixate_caps (GstGLContext * convert,
GValue item = G_VALUE_INIT;
const GValue *targets, *other_targets;
guint targets_mask = 0, other_targets_mask = 0, result_mask;
GstVideoInfo info, other_info;
GstStructure *s, *s_other;
other = gst_caps_make_writable (other);
@ -802,21 +803,36 @@ gst_gl_color_convert_fixate_caps (GstGLContext * convert,
targets_mask = _get_target_bitmask_from_g_value (targets);
other_targets_mask = _get_target_bitmask_from_g_value (other_targets);
/* XXX: attempt to fixate the format/colorimetry/etc */
other = gst_caps_fixate (other);
result_mask = targets_mask & other_targets_mask;
if (result_mask == 0) {
/* nothing we can do here */
return gst_caps_fixate (other);
return other;
}
if (direction == GST_PAD_SINK) {
result_mask &=
(1 << GST_GL_TEXTURE_TARGET_2D | 1 << GST_GL_TEXTURE_TARGET_RECTANGLE);
} else {
/* if the src caps has 2D support we can 'convert' to anything */
if (targets_mask & (1 << GST_GL_TEXTURE_TARGET_2D))
result_mask = -1;
else
result_mask = other_targets_mask;
caps = gst_caps_copy (caps);
caps = gst_caps_fixate (caps);
gst_video_info_from_caps (&info, caps);
gst_video_info_from_caps (&other_info, other);
if (!_gst_gl_color_convert_can_passthrough_info (&info, &other_info)) {
if (direction == GST_PAD_SINK) {
/* this effectively limits us to 2D | RECTANGLE for case where we
* have to convert */
result_mask &=
(1 << GST_GL_TEXTURE_TARGET_2D | 1 <<
GST_GL_TEXTURE_TARGET_RECTANGLE);
} else {
/* if the src caps has 2D support we can 'convert' to anything */
if (targets_mask & (1 << GST_GL_TEXTURE_TARGET_2D | 1 <<
GST_GL_TEXTURE_TARGET_RECTANGLE))
result_mask = -1;
else
result_mask = other_targets_mask;
}
}
g_value_init (&item, G_TYPE_STRING);
@ -831,8 +847,7 @@ gst_gl_color_convert_fixate_caps (GstGLContext * convert,
gst_structure_set_value (s_other, "texture-target", &item);
g_value_unset (&item);
other = gst_caps_fixate (other);
gst_caps_unref (caps);
return other;
}