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vo_rpi: disable background by default 

And add an option to enable it.
This commit is contained in:
wm4 2015-08-20 19:07:18 +02:00
parent 147f4956d3
commit 96648169e3
2 changed files with 18 additions and 6 deletions
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5
DOCS/man/vo.rst
View File

@ -1000,6 +1000,11 @@ Available video output drivers are:
selected layer, to handle the window background and OSD. Actual video
rendering will happen on the layer above the selected layer.
``background=<yes|no>``
Whether to render a black background behind the video (default: no).
Normally it's better to kill the console framebuffer instead, which
gives better performance.
``drm`` (Direct Rendering Manager)
Video output driver using Kernel Mode Setting / Direct Rendering Manager.
Does not support hardware acceleration. Should be used when one doesn't

19
video/out/vo_rpi.c
View File

@ -79,6 +79,7 @@ struct priv {
int display_nr;
int layer;
int background;
};
// Magic alignments (in pixels) expected by the MMAL internals.
@ -226,12 +227,17 @@ static int update_display_size(struct vo *vo)
.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS,
.opacity = 0xFF,
};
p->window = vc_dispmanx_element_add(p->update, p->display, p->background_layer,
&dst, 0, &src,
DISPMANX_PROTECTION_NONE, &alpha, 0, 0);
if (!p->window) {
MP_FATAL(vo, "Could not add DISPMANX element.\n");
return -1;
if (p->background) {
p->window = vc_dispmanx_element_add(p->update, p->display,
p->background_layer,
&dst, 0, &src,
DISPMANX_PROTECTION_NONE,
&alpha, 0, 0);
if (!p->window) {
MP_FATAL(vo, "Could not add DISPMANX element.\n");
return -1;
}
}
alpha = (VC_DISPMANX_ALPHA_T){
@ -653,6 +659,7 @@ fail:
static const struct m_option options[] = {
OPT_INT("display", display_nr, 0),
OPT_INT("layer", layer, 0, OPTDEF_INT(-10)),
OPT_FLAG("background", background, 0),
{0},
};