qsv: Add ability to create a session from a device
[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
00aeedd8 39typedef struct QSVMid {
4ab61cd9 40 AVBufferRef *hw_frames_ref;
00aeedd8 41 mfxHDL handle;
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42
43 AVFrame *locked_frame;
44 AVFrame *hw_frame;
45 mfxFrameSurface1 surf;
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46} QSVMid;
47
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48typedef struct QSVFrame {
49 AVFrame *frame;
404e5147 50 mfxFrameSurface1 surface;
72b7441a 51
f5c4d38c 52 int queued;
404e5147 53 int used;
f5c4d38c 54
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55 struct QSVFrame *next;
56} QSVFrame;
57
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58typedef struct QSVFramesContext {
59 AVBufferRef *hw_frames_ctx;
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60 void *logctx;
61
62 /* The memory ids for the external frames.
63 * Refcounted, since we need one reference owned by the QSVFramesContext
64 * (i.e. by the encoder/decoder) and another one given to the MFX session
65 * from the frame allocator. */
66 AVBufferRef *mids_buf;
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67 QSVMid *mids;
68 int nb_mids;
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69} QSVFramesContext;
70
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71/**
72 * Convert a libmfx error code into a libav error code.
73 */
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74int ff_qsv_map_error(mfxStatus mfx_err, const char **desc);
75
76int ff_qsv_print_error(void *log_ctx, mfxStatus err,
77 const char *error_string);
d0a63d8b 78
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79int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
80 const char *warning_string);
81
d0a63d8b 82int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
cd1047f3 83int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile);
d0a63d8b 84
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85int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
86
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87int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
88 const char *load_plugins);
d0a63d8b 89
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90int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
91 AVBufferRef *device_ref, const char *load_plugins);
92
93int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session,
94 QSVFramesContext *qsv_frames_ctx,
95 const char *load_plugins, int opaque);
a0524d9b 96
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97int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame);
98
d0a63d8b 99#endif /* AVCODEC_QSV_INTERNAL_H */