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85 lines
2.4 KiB
85 lines
2.4 KiB
/* |
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* Videotoolbox hardware acceleration |
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* |
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* copyright (c) 2012 Sebastien Zwickert |
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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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#ifndef AVCODEC_VIDEOTOOLBOX_H |
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#define AVCODEC_VIDEOTOOLBOX_H |
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/** |
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* @file |
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* @ingroup lavc_codec_hwaccel_videotoolbox |
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* Public libavcodec Videotoolbox header. |
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*/ |
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/** |
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* @defgroup lavc_codec_hwaccel_videotoolbox VideoToolbox Decoder |
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* @ingroup lavc_codec_hwaccel |
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* |
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* Hardware accelerated decoding using VideoToolbox on Apple Platforms |
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* |
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* @{ |
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*/ |
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#include <stdint.h> |
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#define Picture QuickdrawPicture |
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#include <VideoToolbox/VideoToolbox.h> |
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#undef Picture |
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#include "libavcodec/avcodec.h" |
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#include "libavutil/attributes.h" |
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/** |
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* This struct holds all the information that needs to be passed |
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* between the caller and libavcodec for initializing Videotoolbox decoding. |
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* Its size is not a part of the public ABI, it must be allocated with |
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* av_videotoolbox_alloc_context() and freed with av_free(). |
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*/ |
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typedef struct AVVideotoolboxContext { |
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/** |
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* Videotoolbox decompression session object. |
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*/ |
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VTDecompressionSessionRef session; |
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/** |
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* CVPixelBuffer Format Type that Videotoolbox will use for decoded frames. |
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* set by the caller. If this is set to 0, then no specific format is |
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* requested from the decoder, and its native format is output. |
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*/ |
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OSType cv_pix_fmt_type; |
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/** |
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* CoreMedia Format Description that Videotoolbox will use to create the decompression session. |
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*/ |
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CMVideoFormatDescriptionRef cm_fmt_desc; |
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/** |
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* CoreMedia codec type that Videotoolbox will use to create the decompression session. |
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*/ |
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int cm_codec_type; |
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} AVVideotoolboxContext; |
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/** |
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* @} |
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*/ |
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#endif /* AVCODEC_VIDEOTOOLBOX_H */
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