mirror of
https://github.com/gnif/LookingGlass.git
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104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "interface/transport.h"
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#include "dynamic/transports.h"
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#include "common/debug.h"
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#include <string.h>
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void lgTransport_setup(void)
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{
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for (unsigned i = 0; i < LG_TRANSPORT_COUNT; ++i)
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if (LG_Transports[i]->setup)
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LG_Transports[i]->setup();
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}
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bool lgTransport_isValid(const char * name)
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{
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if (!name)
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return false;
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for (unsigned i = 0; i < LG_TRANSPORT_COUNT; ++i)
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if (strcmp(LG_Transports[i]->name, name) == 0)
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return true;
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return false;
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}
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bool lgTransport_create(const char * name, LG_TransportInstance * instance)
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{
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if (!instance)
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return false;
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*instance = (LG_TransportInstance) { 0 };
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for (unsigned i = 0; i < LG_TRANSPORT_COUNT; ++i)
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{
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if (strcmp(LG_Transports[i]->name, name) != 0)
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continue;
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const LG_TransportOps * ops = LG_Transports[i];
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if (!ops->create || !ops->destroy || !ops->connectCancellable ||
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!ops->disconnect || !ops->sessionValid)
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{
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DEBUG_ERROR("Transport %s has an incomplete session interface", name);
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return false;
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}
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if (!ops->create(&instance->handle))
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return false;
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const LG_VideoOps * video = ops->getVideoOps ?
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ops->getVideoOps(instance->handle) : NULL;
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const bool badFrame = video && video->type == LG_VIDEO_TYPE_FRAME &&
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(!video->frame || !video->frame->nextFrame ||
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!video->frame->releaseFrame || !video->frame->cancelFrameWait ||
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((video->frame->nextPointer != NULL) !=
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(video->frame->releasePointer != NULL)) ||
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(video->frame->nextPointer && !video->frame->cancelPointerWait));
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const bool badSurface = video && video->type == LG_VIDEO_TYPE_SW_SURFACE &&
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(!video->swSurface || !video->swSurface->attach ||
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!video->swSurface->detach || !video->swSurface->setActive ||
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!video->swSurface->cancelPending);
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if (video && (badFrame || badSurface ||
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(video->type != LG_VIDEO_TYPE_FRAME &&
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video->type != LG_VIDEO_TYPE_SW_SURFACE)))
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{
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DEBUG_ERROR("Transport %s has an incomplete video interface", name);
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ops->destroy(&instance->handle);
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return false;
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}
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instance->ops = ops;
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return true;
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}
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return false;
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}
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void lgTransport_destroy(LG_TransportInstance * instance)
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{
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if (!instance)
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return;
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if (instance->ops)
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instance->ops->destroy(&instance->handle);
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*instance = (LG_TransportInstance) { 0 };
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}
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