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In linphone_call_zoom_video check video output presence

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Yann Diorcet 2012-05-29 19:30:45 +02:00
parent e2379a6705
commit 121089650a
1 changed files with 22 additions and 20 deletions
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42
coreapi/linphonecore.c
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@ -4784,25 +4784,27 @@ void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *para
}
void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
VideoStream* vstream = call->videostream;
float zoom[3];
if (zoom_factor < 1)
zoom_factor = 1;
float halfsize = 0.5 * 1.0 / zoom_factor;
if ((*cx - halfsize) < 0)
*cx = 0 + halfsize;
if ((*cx + halfsize) > 1)
*cx = 1 - halfsize;
if ((*cy - halfsize) < 0)
*cy = 0 + halfsize;
if ((*cy + halfsize) > 1)
*cy = 1 - halfsize;
zoom[0] = zoom_factor;
zoom[1] = *cx;
zoom[2] = *cy;
ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
VideoStream* vstream = call->videostream;
if (vstream) {
float zoom[3];
if (zoom_factor < 1)
zoom_factor = 1;
float halfsize = 0.5 * 1.0 / zoom_factor;
if ((*cx - halfsize) < 0)
*cx = 0 + halfsize;
if ((*cx + halfsize) > 1)
*cx = 1 - halfsize;
if ((*cy - halfsize) < 0)
*cy = 0 + halfsize;
if ((*cy + halfsize) > 1)
*cy = 1 - halfsize;
zoom[0] = zoom_factor;
zoom[1] = *cx;
zoom[2] = *cy;
ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
}else ms_warning("Could not apply zoom: video output wasn't activated.");
}