qsv{dec,enc}: use a struct as a memory id with internal memory allocator
[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 QSVMid {
40 mfxHDL handle;
41} QSVMid;
42
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43typedef struct QSVFrame {
44 AVFrame *frame;
404e5147 45 mfxFrameSurface1 surface;
72b7441a 46
f5c4d38c 47 int queued;
404e5147 48 int used;
f5c4d38c 49
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50 struct QSVFrame *next;
51} QSVFrame;
52
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53typedef struct QSVFramesContext {
54 AVBufferRef *hw_frames_ctx;
55 mfxFrameInfo info;
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56 QSVMid *mids;
57 int nb_mids;
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58} QSVFramesContext;
59
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60/**
61 * Convert a libmfx error code into a libav error code.
62 */
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63int ff_qsv_map_error(mfxStatus mfx_err, const char **desc);
64
65int ff_qsv_print_error(void *log_ctx, mfxStatus err,
66 const char *error_string);
d0a63d8b 67
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68int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
69 const char *warning_string);
70
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71int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
72
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73int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
74
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75int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
76 const char *load_plugins);
d0a63d8b 77
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78int ff_qsv_init_session_hwcontext(AVCodecContext *avctx, mfxSession *session,
79 QSVFramesContext *qsv_frames_ctx,
80 const char *load_plugins, int opaque);
81
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82int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame);
83
d0a63d8b 84#endif /* AVCODEC_QSV_INTERNAL_H */