hwcontext: add a QSV implementation
[libav.git] / libavcodec / qsv_internal.h
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1/*
2 * Intel MediaSDK QSV encoder/decoder shared code
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef AVCODEC_QSV_INTERNAL_H
22#define AVCODEC_QSV_INTERNAL_H
23
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24#include <mfx/mfxvideo.h>
25
26#include "libavutil/frame.h"
27
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28#include "avcodec.h"
29
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30#define QSV_VERSION_MAJOR 1
31#define QSV_VERSION_MINOR 1
32
33#define ASYNC_DEPTH_DEFAULT 4 // internal parallelism
34
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35#define QSV_VERSION_ATLEAST(MAJOR, MINOR) \
36 (MFX_VERSION_MAJOR > (MAJOR) || \
37 MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
38
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39typedef struct QSVFrame {
40 AVFrame *frame;
41 mfxFrameSurface1 *surface;
42
43 mfxFrameSurface1 surface_internal;
44
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45 int queued;
46
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47 struct QSVFrame *next;
48} QSVFrame;
49
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50/**
51 * Convert a libmfx error code into a libav error code.
52 */
53int ff_qsv_error(int mfx_err);
54
55int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
56
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57int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
58 const char *load_plugins);
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59
60#endif /* AVCODEC_QSV_INTERNAL_H */