FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
qsv_internal.h
Go to the documentation of this file.
1 /*
2  * Intel MediaSDK QSV encoder/decoder shared code
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 #if CONFIG_VAAPI
25 #define AVCODEC_QSV_LINUX_SESSION_HANDLE
26 #endif //CONFIG_VAAPI
27 
28 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
29 #include <stdio.h>
30 #include <string.h>
31 #if HAVE_UNISTD_H
32 #include <unistd.h>
33 #endif
34 #include <fcntl.h>
35 #include <va/va.h>
36 #include <va/va_drm.h>
37 #endif
38 
39 #include <mfx/mfxvideo.h>
40 
41 #include "libavutil/frame.h"
42 
43 #include "avcodec.h"
44 
45 #define QSV_VERSION_MAJOR 1
46 #define QSV_VERSION_MINOR 9
47 
48 #define ASYNC_DEPTH_DEFAULT 4 // internal parallelism
49 
50 #define QSV_MAX_ENC_PAYLOAD 2 // # of mfxEncodeCtrl payloads supported
51 
52 #define QSV_VERSION_ATLEAST(MAJOR, MINOR) \
53  (MFX_VERSION_MAJOR > (MAJOR) || \
54  MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
55 
56 typedef struct QSVFrame {
58  mfxFrameSurface1 *surface;
59  mfxEncodeCtrl enc_ctrl;
60 
61  mfxFrameSurface1 surface_internal;
62 
63  int queued;
64 
65  struct QSVFrame *next;
66 } QSVFrame;
67 
68 typedef struct QSVSession {
69  mfxSession session;
70 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
71  int fd_display;
72  VADisplay va_display;
73 #endif
74 } QSVSession;
75 
76 /**
77  * Convert a libmfx error code into a ffmpeg error code.
78  */
79 int ff_qsv_error(int mfx_err);
80 
82 
84  const char *load_plugins);
86 
87 #endif /* AVCODEC_QSV_INTERNAL_H */
enum AVCodecID codec_id
Definition: ffmpeg_vaapi.c:149
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
int ff_qsv_error(int mfx_err)
Convert a libmfx error code into a ffmpeg error code.
Definition: qsv.c:54
mfxEncodeCtrl enc_ctrl
Definition: qsv_internal.h:59
mfxFrameSurface1 * surface
Definition: qsv_internal.h:58
int ff_qsv_close_internal_session(QSVSession *qs)
Definition: qsv.c:254
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:33
int queued
Definition: qsv_internal.h:63
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:191
struct QSVFrame * next
Definition: qsv_internal.h:65
reference-counted frame API
AVFrame * frame
Definition: qsv_internal.h:57
mfxFrameSurface1 surface_internal
Definition: qsv_internal.h:61
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, const char *load_plugins)
Initialize a MSDK session.
Definition: qsv.c:171
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1676
mfxSession session
Definition: qsv_internal.h:69