Ichthyostega
48a829d544
effectively we rely in the micro tick timescale promoted by libGAVL, but it seems indicated to introduce our own constant definition. And also clarify some comments and tests. (this changeset does not change any values or functionality)
101 lines
3 KiB
C++
101 lines
3 KiB
C++
/*
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TESTSTREAMTYPES.hpp - create test (stub) stream type information
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Copyright (C) Lumiera.org
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2008, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/** @file teststreamtypes.hpp
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** Unit test helper to create fake streamtype information
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*/
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#ifndef LUMIERA_TEST_TESTSTREAMTYPES_H
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#define LUMIERA_TEST_TESTSTREAMTYPES_H
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//#include "lib/util.hpp"
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#include "steam/streamtype.hpp"
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#include "steam/control/stypemanager.hpp"
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#include "lib/time/timevalue.hpp"
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extern "C" {
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#include <gavl/gavl.h>
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}
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namespace steam {
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namespace test_format {
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using lib::time::TimeValue;
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namespace { // constants used to parametrise tests
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const int TEST_IMG_WIDTH = 40;
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const int TEST_IMG_HEIGHT = 30;
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const int TEST_FRAME_DUR = TimeValue::SCALE / 25;
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}
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Symbol GAVL = "GAVL";
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/** Helper: create an raw GAVL type descriptor
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* usable for generating a Lumiera StreamType
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*/
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inline gavl_video_format_t
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test_createRawType ()
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{
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gavl_video_format_t type;
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type.pixelformat = GAVL_RGB_24;
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type.interlace_mode = GAVL_INTERLACE_NONE;
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type.framerate_mode = GAVL_FRAMERATE_CONSTANT;
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type.chroma_placement = GAVL_CHROMA_PLACEMENT_DEFAULT;
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type.image_width = TEST_IMG_WIDTH; // Width of the image in pixels
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type.image_height = TEST_IMG_WIDTH; // Height of the image in pixels
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type.frame_width = TEST_IMG_WIDTH; // Width of the frame buffer in pixels, might be larger than image_width
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type.frame_height = TEST_IMG_WIDTH; // Height of the frame buffer in pixels, might be larger than image_height
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type.pixel_width = 1; // Relative width of a pixel (pixel aspect ratio is pixel_width/pixel_height)
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type.pixel_height = 1; // Relative height of a pixel (pixel aspect ratio is pixel_width/pixel_height)
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type.frame_duration = TEST_FRAME_DUR; // Duration of a frame in timescale ticks.
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type.timescale = TimeValue::SCALE; // Timescale in ticks per second (is defined to be 1000000 as of 9/2008)
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return type;
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}
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/** Helper: create an implementation frame
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* and build the corresponding streamtype
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*/
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inline StreamType::ImplFacade const&
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test_createImplType ()
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{
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gavl_video_format_t rawType = test_createRawType();
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return control::STypeManager::instance().getImpl (GAVL, rawType);
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}
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}} // namespace steam::test_format
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#endif
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