| /* |
| * VDA HW acceleration |
| * |
| * copyright (c) 2011 Sebastien Zwickert |
| * |
| * 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 AVCODEC_VDA_H |
| #define AVCODEC_VDA_H |
| |
| /** |
| * @file |
| * @ingroup lavc_codec_hwaccel_vda |
| * Public libavcodec VDA header. |
| */ |
| |
| #include <stdint.h> |
| |
| // emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes |
| // http://openradar.appspot.com/8026390 |
| #undef __GNUC_STDC_INLINE__ |
| |
| #define Picture QuickdrawPicture |
| #include <VideoDecodeAcceleration/VDADecoder.h> |
| #undef Picture |
| |
| #include "libavcodec/version.h" |
| |
| /** |
| * @defgroup lavc_codec_hwaccel_vda VDA |
| * @ingroup lavc_codec_hwaccel |
| * |
| * @{ |
| */ |
| |
| /** |
| * This structure is used to provide the necessary configurations and data |
| * to the VDA FFmpeg HWAccel implementation. |
| * |
| * The application must make it available as AVCodecContext.hwaccel_context. |
| */ |
| struct vda_context { |
| /** |
| * VDA decoder object. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by libavcodec. |
| */ |
| VDADecoder decoder; |
| |
| /** |
| * The Core Video pixel buffer that contains the current image data. |
| * |
| * encoding: unused |
| * decoding: Set by libavcodec. Unset by user. |
| */ |
| CVPixelBufferRef cv_buffer; |
| |
| /** |
| * Use the hardware decoder in synchronous mode. |
| * |
| * encoding: unused |
| * decoding: Set by user. |
| */ |
| int use_sync_decoding; |
| |
| /** |
| * The frame width. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by user. |
| */ |
| int width; |
| |
| /** |
| * The frame height. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by user. |
| */ |
| int height; |
| |
| /** |
| * The frame format. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by user. |
| */ |
| int format; |
| |
| /** |
| * The pixel format for output image buffers. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by user. |
| */ |
| OSType cv_pix_fmt_type; |
| |
| /** |
| * The current bitstream buffer. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by libavcodec. |
| */ |
| uint8_t *priv_bitstream; |
| |
| /** |
| * The current size of the bitstream. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by libavcodec. |
| */ |
| int priv_bitstream_size; |
| |
| /** |
| * The reference size used for fast reallocation. |
| * |
| * - encoding: unused |
| * - decoding: Set/Unset by libavcodec. |
| */ |
| int priv_allocated_size; |
| |
| /** |
| * Use av_buffer to manage buffer. |
| * When the flag is set, the CVPixelBuffers returned by the decoder will |
| * be released automatically, so you have to retain them if necessary. |
| * Not setting this flag may cause memory leak. |
| * |
| * encoding: unused |
| * decoding: Set by user. |
| */ |
| int use_ref_buffer; |
| }; |
| |
| /** Create the video decoder. */ |
| int ff_vda_create_decoder(struct vda_context *vda_ctx, |
| uint8_t *extradata, |
| int extradata_size); |
| |
| /** Destroy the video decoder. */ |
| int ff_vda_destroy_decoder(struct vda_context *vda_ctx); |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* AVCODEC_VDA_H */ |