/* * 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 AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H #define AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H #include <stdint.h> #include <VideoToolbox/VideoToolbox.h> #include "pixfmt.h" /** * @file * An API-specific header for AV_HWDEVICE_TYPE_VIDEOTOOLBOX. * * This API currently does not support frame allocation, as the raw VideoToolbox * API does allocation, and FFmpeg itself never has the need to allocate frames. * * If the API user sets a custom pool, AVHWFramesContext.pool must return * AVBufferRefs whose data pointer is a CVImageBufferRef or CVPixelBufferRef. * * Currently AVHWDeviceContext.hwctx and AVHWFramesContext.hwctx are always * NULL. */ /** * Convert a VideoToolbox (actually CoreVideo) format to AVPixelFormat. * Returns AV_PIX_FMT_NONE if no known equivalent was found. */ enum AVPixelFormat av_map_videotoolbox_format_to_pixfmt(uint32_t cv_fmt); /** * Convert an AVPixelFormat to a VideoToolbox (actually CoreVideo) format. * Returns 0 if no known equivalent was found. */ uint32_t av_map_videotoolbox_format_from_pixfmt(enum AVPixelFormat pix_fmt); /** * Same as av_map_videotoolbox_format_from_pixfmt function, but can map and * return full range pixel formats via a flag. */ uint32_t av_map_videotoolbox_format_from_pixfmt2(enum AVPixelFormat pix_fmt, bool full_range); #endif /* AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H */