mirror of
git://nv-tegra.nvidia.com/tegra/gst-src/libgstnvdrmvideosink.git
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44aaacdafa
15e77cc11e0be2e813a2a51eaa4256b1026dd16b - gst-nvdrmvideosink/gstnvdrmvideosink.h 444ba0e5976368618bd65182f9618af35e0b7946 - gst-nvdrmvideosink/LICENSE.libgstnvdrmvideosink 464f6823a2241ec38d94c786e23d13dd4b4e2a14 - gst-nvdrmvideosink/Makefile 5335db7375d2cee2cf0c02c68879205293dc63e1 - gst-nvdrmvideosink/gstnvdrmvideosink.c 31762975c758c9a6c0a0f2a811d6850440f347b6 - gst-nvdrmvideosink/util/vt_switch.h ffd00e6dfee167cbf1a33f34d4b2c94269bd21b3 - gst-nvdrmvideosink/util/drmutil.c ef0f0a9b3cfbf3d5f2359e9185a75d258201e20a - gst-nvdrmvideosink/util/drmutil.h c318d575f2c7cd3e805b4283f48da5547b152fd6 - gst-nvdrmvideosink/util/vt_switch.c Change-Id: I404740939281d76f16cda2abdad51c57f5672001
87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
/*
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* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DRMUTIL_H
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#define _DRMUTIL_H
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#include "vt_switch.h"
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#include "xf86drm.h"
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#include "xf86drmMode.h"
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struct drm_util_bo
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{
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uint32_t bo_handle;
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int width;
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int height;
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int pitch;
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uint8_t *data;
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size_t size;
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};
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struct drm_util_fb
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{
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uint32_t fb_id;
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int width;
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int height;
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int format;
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struct drm_util_bo bo[4];
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int num_buffers;
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};
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// Fill drm dumb buffer with a test pattern
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int drm_util_fill_data (struct drm_util_fb *util_fb, uint8_t * p,
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uint32_t sizeInput);
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int drm_util_init (int *fd, drmModeConnector **conn_info, int *conn_id, int *crtc_id,
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int *plane_id, struct vt_info *vtinfo, int do_vtswitch,
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int *is_nvidia_drm, int *is_tegra_drm);
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// Returns a DRM buffer_object handle allocated of size (w,h)
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int drm_util_create_dumb_bo (int fd, int w, int h,
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int bpp, struct drm_util_bo *util_bo);
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uint8_t *drm_util_mmap_dumb_bo (int fd, __u32 handle, __u64 size);
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// Set gem buffer parameters
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int gem_set_params (int fd, uint32_t nvhandle, uint32_t nvblocksize);
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// Returns a DRM framebuffer ID allocated of size (w,h)
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int drm_util_create_dumb_fb (int fd, int w, int h,
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int drm_format, struct drm_util_fb *util_fb);
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int count_format_types(void);
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// Close GEM buffers
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int drm_util_close_gem_bo (int fd, uint32_t bo_handle);
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// Destroy an FB and its BOs
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int drm_util_destroy_dumb_bo (int fd, struct drm_util_bo *util_bo);
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int drm_util_destroy_dumb_fb (int fd, struct drm_util_fb *util_fb);
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#endif
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