lavc: add Intel libmfx-based H.264 encoder
[libav.git] / libavcodec / qsvenc.h
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1/*
2 * Intel MediaSDK QSV encoder utility functions
3 *
4 * copyright (c) 2013 Yukinori Yamazoe
5 *
6 * This file is part of Libav.
7 *
8 * Libav 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 * Libav 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 Libav; 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_QSVENC_H
24#define AVCODEC_QSVENC_H
25
26#include <stdint.h>
27#include <sys/types.h>
28
29#include <mfx/mfxvideo.h>
30
31#include "libavutil/avutil.h"
32
33#include "avcodec.h"
34#include "qsv_internal.h"
35
36typedef struct QSVEncContext {
37 AVCodecContext *avctx;
38
39 QSVFrame *work_frames;
40
41 mfxSession session;
42 mfxSession internal_session;
43
44 int packet_size;
45
46 mfxVideoParam param;
47 mfxFrameAllocRequest req;
48
49 mfxExtCodingOption extco;
50 mfxExtBuffer *extparam[1];
51
52 // options set by the caller
53 int async_depth;
54 int idr_interval;
55 int profile;
56 int preset;
57 int avbr_accuracy;
58 int avbr_convergence;
59} QSVEncContext;
60
61int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
62
63int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
64 AVPacket *pkt, const AVFrame *frame, int *got_packet);
65
66int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q);
67
68#endif /* AVCODEC_QSVENC_H */