lavc: add Intel libmfx-based MPEG2 encoder
[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#define QSV_VERSION_MAJOR 1
29#define QSV_VERSION_MINOR 1
30
31#define ASYNC_DEPTH_DEFAULT 4 // internal parallelism
32
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33typedef struct QSVFrame {
34 AVFrame *frame;
35 mfxFrameSurface1 *surface;
36
37 mfxFrameSurface1 surface_internal;
38
39 struct QSVFrame *next;
40} QSVFrame;
41
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42/**
43 * Convert a libmfx error code into a libav error code.
44 */
45int ff_qsv_error(int mfx_err);
46
47int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
48
49int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session);
50
51#endif /* AVCODEC_QSV_INTERNAL_H */