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qsv_internal.h
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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 #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_MAX_ENC_PAYLOAD 2 // # of mfxEncodeCtrl payloads supported
36 
37 #define QSV_VERSION_ATLEAST(MAJOR, MINOR) \
38  (MFX_VERSION_MAJOR > (MAJOR) || \
39  MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
40 
41 typedef struct QSVMid {
43  mfxHDL handle;
44 
47  mfxFrameSurface1 surf;
48 } QSVMid;
49 
50 typedef struct QSVFrame {
52  mfxFrameSurface1 surface;
53  mfxEncodeCtrl enc_ctrl;
54 
55  int queued;
56  int used;
57 
58  struct QSVFrame *next;
59 } QSVFrame;
60 
61 typedef struct QSVFramesContext {
63  void *logctx;
64 
65  /* The memory ids for the external frames.
66  * Refcounted, since we need one reference owned by the QSVFramesContext
67  * (i.e. by the encoder/decoder) and another one given to the MFX session
68  * from the frame allocator. */
71  int nb_mids;
73 
74 /**
75  * Convert a libmfx error code into an ffmpeg error code.
76  */
77 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc);
78 
79 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
80  const char *error_string);
81 
82 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
83  const char *warning_string);
84 
87 
88 int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
89 
90 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
91  const char *load_plugins);
92 
93 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
94  AVBufferRef *device_ref, const char *load_plugins);
95 
96 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session,
97  QSVFramesContext *qsv_frames_ctx,
98  const char *load_plugins, int opaque);
99 
101 
102 #endif /* AVCODEC_QSV_INTERNAL_H */
uint32_t fourcc
Definition: hwcontext_qsv.c:90
int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
Definition: qsv.c:69
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
const char * desc
Definition: nvenc.c:63
mfxEncodeCtrl enc_ctrl
Definition: qsv_internal.h:53
AVFrame * locked_frame
Definition: qsv_internal.h:45
AVBufferRef * hw_frames_ctx
Definition: qsv_internal.h:62
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
Definition: qsv.c:170
AVFrame * hw_frame
Definition: qsv_internal.h:46
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
Definition: qsv.c:42
AVBufferRef * mids_buf
Definition: qsv_internal.h:69
static AVFrame * frame
int queued
Definition: qsv_internal.h:55
int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
Convert a libmfx error code into an ffmpeg error code.
Definition: qsv.c:125
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
Definition: qsv.c:187
mfxHDL handle
Definition: qsv_internal.h:43
reference-counted frame API
AVFormatContext * ctx
Definition: movenc.c:48
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins)
Definition: qsv.c:543
enum AVCodecID codec_id
Definition: vaapi_decode.c:236
mfxFrameSurface1 surface
Definition: qsv_internal.h:52
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
struct QSVFrame * next
Definition: qsv_internal.h:58
static const char * format
Definition: movenc.c:47
AVBufferRef * hw_frames_ref
Definition: qsv_internal.h:42
int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string)
Definition: qsv.c:140
int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string)
Definition: qsv.c:150
mfxU16 profile
Definition: qsvenc.c:44
A reference to a data buffer.
Definition: buffer.h:81
mfxFrameSurface1 surf
Definition: qsv_internal.h:47
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque)
Definition: qsv.c:611
AVFrame * frame
Definition: qsv_internal.h:51
int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session, const char *load_plugins)
Definition: qsv.c:249
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60