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| | | /* |
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| | | * This file is part of FFmpeg. |
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| | | * |
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| | | * FFmpeg is free software; you can redistribute it and/or |
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| | | * modify it under the terms of the GNU Lesser General Public |
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| | | * License as published by the Free Software Foundation; either |
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| | | * version 2.1 of the License, or (at your option) any later version. |
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| | | * |
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| | | * FFmpeg 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 GNU |
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| | | * Lesser General Public License for more details. |
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| | | * |
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| | | * You should have received a copy of the GNU Lesser General Public |
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| | | * License along with FFmpeg; if not, write to the Free Software |
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| | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| | | */ |
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| | | |
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| | | #ifndef AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H |
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| | | #define AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H |
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| | | |
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| | | #include <stdint.h> |
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| | | |
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| | | #include <VideoToolbox/VideoToolbox.h> |
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| | | |
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| | | #include "pixfmt.h" |
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| | | |
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| | | /** |
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| | | * @file |
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| | | * An API-specific header for AV_HWDEVICE_TYPE_VIDEOTOOLBOX. |
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| | | * |
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| | | * This API currently does not support frame allocation, as the raw VideoToolbox |
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| | | * API does allocation, and FFmpeg itself never has the need to allocate frames. |
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| | | * |
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| | | * If the API user sets a custom pool, AVHWFramesContext.pool must return |
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| | | * AVBufferRefs whose data pointer is a CVImageBufferRef or CVPixelBufferRef. |
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| | | * |
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| | | * Currently AVHWDeviceContext.hwctx and AVHWFramesContext.hwctx are always |
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| | | * NULL. |
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| | | */ |
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| | | |
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| | | /** |
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| | | * Convert a VideoToolbox (actually CoreVideo) format to AVPixelFormat. |
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| | | * Returns AV_PIX_FMT_NONE if no known equivalent was found. |
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| | | */ |
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| | | enum AVPixelFormat av_map_videotoolbox_format_to_pixfmt(uint32_t cv_fmt); |
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| | | |
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| | | /** |
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| | | * Convert an AVPixelFormat to a VideoToolbox (actually CoreVideo) format. |
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| | | * Returns 0 if no known equivalent was found. |
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| | | */ |
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| | | uint32_t av_map_videotoolbox_format_from_pixfmt(enum AVPixelFormat pix_fmt); |
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| | | |
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| | | #endif /* AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H */ |
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