/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVFILTER_METAL_UTILS_H#define AVFILTER_METAL_UTILS_H #include <Metal/Metal.h> #include <AvailabilityMacros.h> // CoreVideo accidentally(?) preprocessor-gates Metal functionality// on MAC_OS_X_VERSION_MIN_REQUIRED >= 101100 (FB9816002).// There doesn't seem to be any particular reason for this,// so here we temporarily redefine it to at least that value// so CV will give us CVMetalTextureRef and the related functions. #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && (MAC_OS_X_VERSION_MIN_REQUIRED < 101100)#define ORIG_MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_MIN_REQUIRED#undef MAC_OS_X_VERSION_MIN_REQUIRED#define MAC_OS_X_VERSION_MIN_REQUIRED 101100#endif #include <CoreVideo/CoreVideo.h> #ifdef ORIG_MAC_OS_X_VERSION_MIN_REQUIRED#undef MAC_OS_X_VERSION_MIN_REQUIRED#define MAC_OS_X_VERSION_MIN_REQUIRED ORIG_MAC_OS_X_VERSION_MIN_REQUIRED#undef ORIG_MAC_OS_X_VERSION_MIN_REQUIRED#endif void ff_metal_compute_encoder_dispatch(id<MTLDevice> device,                                       id<MTLComputePipelineState> pipeline,                                       id<MTLComputeCommandEncoder> encoder,                                       NSUInteger width, NSUInteger height)                                       API_AVAILABLE(macos(10.11), ios(8.0)); CVMetalTextureRef ff_metal_texture_from_pixbuf(void *avclass,                                               CVMetalTextureCacheRef textureCache,                                               CVPixelBufferRef pixbuf,                                               int plane,                                               MTLPixelFormat format)                                               API_AVAILABLE(macos(10.11), ios(8.0)); #endif /* AVFILTER_METAL_UTILS_H */