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WIP avcodec/videotoolbox: add AV1 hardware acceleration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * Videotoolbox hardware acceleration for AV1 | ||
| * Copyright (c) 2023 Jan Ekström | ||
| * | ||
| * 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 | ||
| */ | ||
|
|
||
| #include "libavformat/avio.h" | ||
| #include "libavformat/avio_internal.h" | ||
| #define CALLED_FROM_AVCODEC 1 | ||
| #include "libavformat/av1.c" | ||
| #undef CALLED_FROM_AVCODEC | ||
|
|
||
| #include "libavutil/avutil.h" | ||
| #include "libavutil/frame.h" | ||
| #include "libavutil/pixfmt.h" | ||
|
|
||
| #include "av1dec.h" | ||
| #include "codec_id.h" | ||
| #include "hwaccel_internal.h" | ||
| #include "internal.h" | ||
| #include "vt_internal.h" | ||
|
|
||
| CFDataRef ff_videotoolbox_av1c_extradata_create(AVCodecContext *avctx) | ||
| { | ||
| AVIOContext *pb; | ||
| uint8_t *buf; | ||
| CFDataRef data = NULL; | ||
| int buf_size = 0; | ||
| int ret = avio_open_dyn_buf(&pb); | ||
| if (ret < 0) | ||
| return NULL; | ||
|
|
||
| ret = ff_isom_write_av1c(pb, avctx->extradata, avctx->extradata_size, 1); | ||
| if (ret < 0) | ||
| goto fail; | ||
|
|
||
| buf_size = avio_get_dyn_buf(pb, &buf); | ||
| if (buf_size) | ||
| data = CFDataCreate(kCFAllocatorDefault, buf, buf_size); | ||
|
|
||
| fail: | ||
| ffio_free_dyn_buf(&pb); | ||
|
|
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| return data; | ||
| } | ||
|
|
||
| static int videotoolbox_av1_start_frame(AVCodecContext *avctx, | ||
| const uint8_t *buffer, | ||
| uint32_t size) | ||
| { | ||
| return 0; | ||
| } | ||
|
|
||
| static int videotoolbox_av1_decode_slice(AVCodecContext *avctx, | ||
| const uint8_t *buffer, | ||
| uint32_t size) | ||
| { | ||
| VTContext *vtctx = avctx->internal->hwaccel_priv_data; | ||
|
|
||
| return ff_videotoolbox_buffer_copy(vtctx, buffer, size); | ||
| } | ||
|
|
||
| static int videotoolbox_av1_end_frame(AVCodecContext *avctx) | ||
| { | ||
| const AV1DecContext *s = avctx->priv_data; | ||
| AVFrame *frame = s->cur_frame.f; | ||
|
|
||
| return ff_videotoolbox_common_end_frame(avctx, frame); | ||
| } | ||
|
|
||
| const FFHWAccel ff_av1_videotoolbox_hwaccel = { | ||
| .p.name = "av1_videotoolbox", | ||
| .p.type = AVMEDIA_TYPE_VIDEO, | ||
| .p.id = AV_CODEC_ID_AV1, | ||
| .p.pix_fmt = AV_PIX_FMT_VIDEOTOOLBOX, | ||
| .alloc_frame = ff_videotoolbox_alloc_frame, | ||
| .start_frame = videotoolbox_av1_start_frame, | ||
| .decode_slice = videotoolbox_av1_decode_slice, | ||
| .end_frame = videotoolbox_av1_end_frame, | ||
| .frame_params = ff_videotoolbox_frame_params, | ||
| .init = ff_videotoolbox_common_init, | ||
| .uninit = ff_videotoolbox_uninit, | ||
| .priv_data_size = sizeof(VTContext), | ||
| }; |
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Will this ever get pushed to ffmpeg ? 🙏
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@jeeb I can test on my m3 if you need someone with the HW