975c8de44164fa4f73658c3717c0be3d82922b2d
[libav.git] / libavcodec / qsv_internal.h
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
24 #include <mfx/mfxvideo.h>
25
26 #include "libavutil/frame.h"
27
28 #include "avcodec.h"
29
30 #define QSV_VERSION_MAJOR 1
31 #define QSV_VERSION_MINOR 1
32
33 #define ASYNC_DEPTH_DEFAULT 4 // internal parallelism
34
35 #define QSV_VERSION_ATLEAST(MAJOR, MINOR) \
36 (MFX_VERSION_MAJOR > (MAJOR) || \
37 MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
38
39 typedef struct QSVMid {
40 AVBufferRef *hw_frames_ref;
41 mfxHDL handle;
42
43 AVFrame *locked_frame;
44 AVFrame *hw_frame;
45 mfxFrameSurface1 surf;
46 } QSVMid;
47
48 typedef struct QSVFrame {
49 AVFrame *frame;
50 mfxFrameSurface1 surface;
51
52 int queued;
53 int used;
54
55 struct QSVFrame *next;
56 } QSVFrame;
57
58 typedef struct QSVFramesContext {
59 AVBufferRef *hw_frames_ctx;
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;
67 QSVMid *mids;
68 int nb_mids;
69 } QSVFramesContext;
70
71 /**
72 * Convert a libmfx error code into a libav error code.
73 */
74 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc);
75
76 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
77 const char *error_string);
78
79 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
80 const char *warning_string);
81
82 int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
83 int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile);
84
85 int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
86
87 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
88 const char *load_plugins);
89
90 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
91 AVBufferRef *device_ref, const char *load_plugins);
92
93 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session,
94 QSVFramesContext *qsv_frames_ctx,
95 const char *load_plugins, int opaque);
96
97 int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame);
98
99 #endif /* AVCODEC_QSV_INTERNAL_H */