blob: 819ae030b03fd0904cac829f31595cc564ddba06
| 1 | /* |
| 2 | * This file is part of FFmpeg. |
| 3 | * |
| 4 | * FFmpeg is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * FFmpeg is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with FFmpeg; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #include "config.h" |
| 20 | |
| 21 | #include "libavutil/mem.h" |
| 22 | |
| 23 | #include "vda.h" |
| 24 | #include "vda_vt_internal.h" |
| 25 | |
| 26 | #if CONFIG_H264_VDA_HWACCEL |
| 27 | AVVDAContext *av_vda_alloc_context(void) |
| 28 | { |
| 29 | AVVDAContext *ret = av_mallocz(sizeof(*ret)); |
| 30 | |
| 31 | if (ret) { |
| 32 | ret->output_callback = ff_vda_output_callback; |
| 33 | ret->cv_pix_fmt_type = kCVPixelFormatType_422YpCbCr8; |
| 34 | } |
| 35 | |
| 36 | return ret; |
| 37 | } |
| 38 | |
| 39 | int av_vda_default_init(AVCodecContext *avctx) |
| 40 | { |
| 41 | return av_vda_default_init2(avctx, NULL); |
| 42 | } |
| 43 | |
| 44 | int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx) |
| 45 | { |
| 46 | avctx->hwaccel_context = vdactx ?: av_vda_alloc_context(); |
| 47 | if (!avctx->hwaccel_context) |
| 48 | return AVERROR(ENOMEM); |
| 49 | return ff_vda_default_init(avctx); |
| 50 | } |
| 51 | |
| 52 | void av_vda_default_free(AVCodecContext *avctx) |
| 53 | { |
| 54 | ff_vda_default_free(avctx); |
| 55 | av_freep(&avctx->hwaccel_context); |
| 56 | } |
| 57 | |
| 58 | void ff_vda_default_free(AVCodecContext *avctx) |
| 59 | { |
| 60 | AVVDAContext *vda = avctx->hwaccel_context; |
| 61 | if (vda && vda->decoder) |
| 62 | VDADecoderDestroy(vda->decoder); |
| 63 | } |
| 64 | |
| 65 | #else |
| 66 | AVVDAContext *av_vda_alloc_context(void) |
| 67 | { |
| 68 | return NULL; |
| 69 | } |
| 70 | |
| 71 | int av_vda_default_init(AVCodecContext *avctx) |
| 72 | { |
| 73 | return AVERROR(ENOSYS); |
| 74 | } |
| 75 | |
| 76 | int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx) |
| 77 | { |
| 78 | return AVERROR(ENOSYS); |
| 79 | } |
| 80 | |
| 81 | void av_vda_default_free(AVCodecContext *ctx) |
| 82 | { |
| 83 | } |
| 84 | #endif |
| 85 |