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vo_rpi: add an option to disable OSD

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The OSD takes up an entire fullscreen dispmanx layer. Although the GPU
should be able to handle it (possibly even without any disadvantages),
it'll still be useful for debugging performance issues.
This commit is contained in:
wm4 2015-11-25 22:06:17 +01:00
parent b7d614aa0d
commit fa2fdaab0a
2 changed files with 29 additions and 19 deletions
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4
DOCS/man/vo.rst
View File

@ -1129,6 +1129,10 @@ Available video output drivers are:
Normally it's better to kill the console framebuffer instead, which
gives better performance.
``osd=<yes|no>``
Enabled by default. If disabled with ``no``, no OSD layer is created.
This also means there will be no subtitles rendered.
``drm`` (Direct Rendering Manager)
Video output driver using Kernel Mode Setting / Direct Rendering Manager.
Should be used when one doesn't want to install full-blown graphical

44
video/out/vo_rpi.c
View File

@ -80,6 +80,7 @@ struct priv {
int display_nr;
int layer;
int background;
int enable_osd;
};
// Magic alignments (in pixels) expected by the MMAL internals.
@ -116,6 +117,8 @@ static size_t layout_buffer(struct mp_image *mpi, MMAL_BUFFER_HEADER_T *buffer,
static void update_osd(struct vo *vo)
{
struct priv *p = vo->priv;
if (!p->enable_osd)
return;
mpgl_osd_generate(p->osd, p->osd_res, p->osd_pts, 0, 0);
@ -240,27 +243,29 @@ static int update_display_size(struct vo *vo)
}
}
alpha = (VC_DISPMANX_ALPHA_T){
.flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE,
.opacity = 0xFF,
};
p->osd_overlay = vc_dispmanx_element_add(p->update, p->display,
p->osd_layer,
&dst, 0, &src,
DISPMANX_PROTECTION_NONE,
&alpha, 0, 0);
if (!p->osd_overlay) {
MP_FATAL(vo, "Could not add DISPMANX element.\n");
return -1;
}
if (p->enable_osd) {
alpha = (VC_DISPMANX_ALPHA_T){
.flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE,
.opacity = 0xFF,
};
p->osd_overlay = vc_dispmanx_element_add(p->update, p->display,
p->osd_layer,
&dst, 0, &src,
DISPMANX_PROTECTION_NONE,
&alpha, 0, 0);
if (!p->osd_overlay) {
MP_FATAL(vo, "Could not add DISPMANX element.\n");
return -1;
}
if (mp_egl_rpi_init(&p->egl, p->osd_overlay, p->w, p->h) < 0) {
MP_FATAL(vo, "EGL/GLES initialization for OSD renderer failed.\n");
return -1;
if (mp_egl_rpi_init(&p->egl, p->osd_overlay, p->w, p->h) < 0) {
MP_FATAL(vo, "EGL/GLES initialization for OSD renderer failed.\n");
return -1;
}
p->sc = gl_sc_create(p->egl.gl, vo->log),
p->osd = mpgl_osd_init(p->egl.gl, vo->log, vo->osd);
p->osd_change_counter = -1; // force initial overlay rendering
}
p->sc = gl_sc_create(p->egl.gl, vo->log),
p->osd = mpgl_osd_init(p->egl.gl, vo->log, vo->osd);
p->osd_change_counter = -1; // force initial overlay rendering
p->display_fps = 0;
TV_GET_STATE_RESP_T tvstate;
@ -660,6 +665,7 @@ 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),
OPT_FLAG("osd", enable_osd, 0, OPTDEF_INT(1)),
{0},
};