Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * VDA HW acceleration |
||
| 3 | * |
||
| 4 | * copyright (c) 2011 Sebastien Zwickert |
||
| 5 | * |
||
| 6 | * This file is part of FFmpeg. |
||
| 7 | * |
||
| 8 | * FFmpeg is free software; you can redistribute it and/or |
||
| 9 | * modify it under the terms of the GNU Lesser General Public |
||
| 10 | * License as published by the Free Software Foundation; either |
||
| 11 | * version 2.1 of the License, or (at your option) any later version. |
||
| 12 | * |
||
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||
| 16 | * Lesser General Public License for more details. |
||
| 17 | * |
||
| 18 | * You should have received a copy of the GNU Lesser General Public |
||
| 19 | * License along with FFmpeg; if not, write to the Free Software |
||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||
| 21 | */ |
||
| 22 | |||
| 23 | #ifndef AVCODEC_VDA_H |
||
| 24 | #define AVCODEC_VDA_H |
||
| 25 | |||
| 26 | /** |
||
| 27 | * @file |
||
| 28 | * @ingroup lavc_codec_hwaccel_vda |
||
| 29 | * Public libavcodec VDA header. |
||
| 30 | */ |
||
| 31 | |||
| 32 | #include |
||
| 33 | |||
| 34 | // emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes |
||
| 35 | // http://openradar.appspot.com/8026390 |
||
| 36 | #undef __GNUC_STDC_INLINE__ |
||
| 37 | |||
| 38 | #define Picture QuickdrawPicture |
||
| 39 | #include |
||
| 40 | #undef Picture |
||
| 41 | |||
| 42 | #include "libavcodec/version.h" |
||
| 43 | |||
| 44 | /** |
||
| 45 | * @defgroup lavc_codec_hwaccel_vda VDA |
||
| 46 | * @ingroup lavc_codec_hwaccel |
||
| 47 | * |
||
| 48 | * @{ |
||
| 49 | */ |
||
| 50 | |||
| 51 | /** |
||
| 52 | * This structure is used to provide the necessary configurations and data |
||
| 53 | * to the VDA FFmpeg HWAccel implementation. |
||
| 54 | * |
||
| 55 | * The application must make it available as AVCodecContext.hwaccel_context. |
||
| 56 | */ |
||
| 57 | struct vda_context { |
||
| 58 | /** |
||
| 59 | * VDA decoder object. |
||
| 60 | * |
||
| 61 | * - encoding: unused |
||
| 62 | * - decoding: Set/Unset by libavcodec. |
||
| 63 | */ |
||
| 64 | VDADecoder decoder; |
||
| 65 | |||
| 66 | /** |
||
| 67 | * The Core Video pixel buffer that contains the current image data. |
||
| 68 | * |
||
| 69 | * encoding: unused |
||
| 70 | * decoding: Set by libavcodec. Unset by user. |
||
| 71 | */ |
||
| 72 | CVPixelBufferRef cv_buffer; |
||
| 73 | |||
| 74 | /** |
||
| 75 | * Use the hardware decoder in synchronous mode. |
||
| 76 | * |
||
| 77 | * encoding: unused |
||
| 78 | * decoding: Set by user. |
||
| 79 | */ |
||
| 80 | int use_sync_decoding; |
||
| 81 | |||
| 82 | /** |
||
| 83 | * The frame width. |
||
| 84 | * |
||
| 85 | * - encoding: unused |
||
| 86 | * - decoding: Set/Unset by user. |
||
| 87 | */ |
||
| 88 | int width; |
||
| 89 | |||
| 90 | /** |
||
| 91 | * The frame height. |
||
| 92 | * |
||
| 93 | * - encoding: unused |
||
| 94 | * - decoding: Set/Unset by user. |
||
| 95 | */ |
||
| 96 | int height; |
||
| 97 | |||
| 98 | /** |
||
| 99 | * The frame format. |
||
| 100 | * |
||
| 101 | * - encoding: unused |
||
| 102 | * - decoding: Set/Unset by user. |
||
| 103 | */ |
||
| 104 | int format; |
||
| 105 | |||
| 106 | /** |
||
| 107 | * The pixel format for output image buffers. |
||
| 108 | * |
||
| 109 | * - encoding: unused |
||
| 110 | * - decoding: Set/Unset by user. |
||
| 111 | */ |
||
| 112 | OSType cv_pix_fmt_type; |
||
| 113 | |||
| 114 | /** |
||
| 115 | * The current bitstream buffer. |
||
| 116 | * |
||
| 117 | * - encoding: unused |
||
| 118 | * - decoding: Set/Unset by libavcodec. |
||
| 119 | */ |
||
| 120 | uint8_t *priv_bitstream; |
||
| 121 | |||
| 122 | /** |
||
| 123 | * The current size of the bitstream. |
||
| 124 | * |
||
| 125 | * - encoding: unused |
||
| 126 | * - decoding: Set/Unset by libavcodec. |
||
| 127 | */ |
||
| 128 | int priv_bitstream_size; |
||
| 129 | |||
| 130 | /** |
||
| 131 | * The reference size used for fast reallocation. |
||
| 132 | * |
||
| 133 | * - encoding: unused |
||
| 134 | * - decoding: Set/Unset by libavcodec. |
||
| 135 | */ |
||
| 136 | int priv_allocated_size; |
||
| 137 | |||
| 138 | /** |
||
| 139 | * Use av_buffer to manage buffer. |
||
| 140 | * When the flag is set, the CVPixelBuffers returned by the decoder will |
||
| 141 | * be released automatically, so you have to retain them if necessary. |
||
| 142 | * Not setting this flag may cause memory leak. |
||
| 143 | * |
||
| 144 | * encoding: unused |
||
| 145 | * decoding: Set by user. |
||
| 146 | */ |
||
| 147 | int use_ref_buffer; |
||
| 148 | }; |
||
| 149 | |||
| 150 | /** Create the video decoder. */ |
||
| 151 | int ff_vda_create_decoder(struct vda_context *vda_ctx, |
||
| 152 | uint8_t *extradata, |
||
| 153 | int extradata_size); |
||
| 154 | |||
| 155 | /** Destroy the video decoder. */ |
||
| 156 | int ff_vda_destroy_decoder(struct vda_context *vda_ctx); |
||
| 157 | |||
| 158 | /** |
||
| 159 | * @} |
||
| 160 | */ |
||
| 161 | |||
| 162 | #endif /* AVCODEC_VDA_H */ |