FFmpeg
vaapi_decode.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
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8  *
9  * FFmpeg is distributed in the hope that it will be useful,
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11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
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16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_VAAPI_DECODE_H
20 #define AVCODEC_VAAPI_DECODE_H
21 
22 #include <va/va.h>
23 
24 #include "libavutil/frame.h"
25 #include "libavutil/hwcontext.h"
27 
28 #include "avcodec.h"
29 
30 #include "version.h"
31 #if FF_API_STRUCT_VAAPI_CONTEXT
32 #include "vaapi.h"
33 #endif
34 
35 static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
36 {
37  return (uintptr_t)pic->data[3];
38 }
39 
40 enum {
42 };
43 
44 typedef struct VAAPIDecodePicture {
45  VASurfaceID output_surface;
46 
49 
50  int nb_slices;
51  VABufferID *slice_buffers;
54 
55 typedef struct VAAPIDecodeContext {
56  VAConfigID va_config;
57  VAContextID va_context;
58 
59 #if FF_API_STRUCT_VAAPI_CONTEXT
65 #endif
66 
69 
72 
75 
76  VASurfaceAttrib pixel_format_attribute;
78 
79 
81  VAAPIDecodePicture *pic,
82  int type,
83  const void *data,
84  size_t size);
85 
87  VAAPIDecodePicture *pic,
88  const void *params_data,
89  size_t params_size,
90  const void *slice_data,
91  size_t slice_size);
92 
94  VAAPIDecodePicture *pic);
96  VAAPIDecodePicture *pic);
97 
100 
102  AVBufferRef *hw_frames_ctx);
103 
104 #endif /* AVCODEC_VAAPI_DECODE_H */
FF_ENABLE_DEPRECATION_WARNINGS
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
ff_vaapi_get_surface_id
static VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
Definition: vaapi_decode.h:35
VAAPIDecodePicture::slice_buffers
VABufferID * slice_buffers
Definition: vaapi_decode.h:51
VAAPIDecodeContext
Definition: vaapi_decode.h:55
vaapi_context
This structure is used to share data between the FFmpeg library and the client video application.
Definition: vaapi.h:56
VAAPIDecodePicture
Definition: vaapi_decode.h:44
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:324
data
const char data[16]
Definition: mxf.c:142
version.h
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:338
VAAPIDecodePicture::nb_param_buffers
int nb_param_buffers
Definition: vaapi_decode.h:47
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
VAAPIDecodePicture::output_surface
VASurfaceID output_surface
Definition: vaapi_decode.h:45
AVHWDeviceContext
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:61
ff_vaapi_decode_make_slice_buffer
int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx, VAAPIDecodePicture *pic, const void *params_data, size_t params_size, const void *slice_data, size_t slice_size)
Definition: vaapi_decode.c:59
ff_vaapi_decode_cancel
int ff_vaapi_decode_cancel(AVCodecContext *avctx, VAAPIDecodePicture *pic)
Definition: vaapi_decode.c:225
ff_vaapi_decode_uninit
int ff_vaapi_decode_uninit(AVCodecContext *avctx)
Definition: vaapi_decode.c:723
VAAPIDecodeContext::surface_format
enum AVPixelFormat surface_format
Definition: vaapi_decode.h:73
VAAPIDecodeContext::device
FF_ENABLE_DEPRECATION_WARNINGS AVHWDeviceContext * device
Definition: vaapi_decode.h:67
ff_vaapi_decode_issue
int ff_vaapi_decode_issue(AVCodecContext *avctx, VAAPIDecodePicture *pic)
Definition: vaapi_decode.c:151
VAAPIDecodeContext::surface_count
int surface_count
Definition: vaapi_decode.h:74
VAAPIDecodeContext::have_old_context
FF_DISABLE_DEPRECATION_WARNINGS int have_old_context
Definition: vaapi_decode.h:61
VAAPIDecodePicture::slices_allocated
int slices_allocated
Definition: vaapi_decode.h:52
VAAPIDecodeContext::va_config
VAConfigID va_config
Definition: vaapi_decode.h:56
VAAPIDecodePicture::nb_slices
int nb_slices
Definition: vaapi_decode.h:50
ff_vaapi_decode_init
int ff_vaapi_decode_init(AVCodecContext *avctx)
Definition: vaapi_decode.c:634
size
int size
Definition: twinvq_data.h:10344
VAAPIDecodeContext::pixel_format_attribute
VASurfaceAttrib pixel_format_attribute
Definition: vaapi_decode.h:76
frame.h
VAAPIDecodeContext::device_ref
AVBufferRef * device_ref
Definition: vaapi_decode.h:63
vaapi.h
avcodec.h
AVHWFramesContext
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:124
hwcontext_vaapi.h
VAAPIDecodeContext::hwctx
AVVAAPIDeviceContext * hwctx
Definition: vaapi_decode.h:68
AVCodecContext
main external API structure.
Definition: avcodec.h:536
ff_vaapi_decode_make_param_buffer
int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx, VAAPIDecodePicture *pic, int type, const void *data, size_t size)
Definition: vaapi_decode.c:30
MAX_PARAM_BUFFERS
@ MAX_PARAM_BUFFERS
Definition: vaapi_decode.h:41
FF_DISABLE_DEPRECATION_WARNINGS
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:84
AVVAAPIFramesContext
VAAPI-specific data associated with a frame pool.
Definition: hwcontext_vaapi.h:88
VAAPIDecodeContext::va_context
VAContextID va_context
Definition: vaapi_decode.h:57
VAAPIDecodeContext::hwfc
AVVAAPIFramesContext * hwfc
Definition: vaapi_decode.h:71
VAAPIDecodeContext::old_context
struct vaapi_context * old_context
Definition: vaapi_decode.h:62
VAAPIDecodePicture::param_buffers
VABufferID param_buffers[MAX_PARAM_BUFFERS]
Definition: vaapi_decode.h:48
hwcontext.h
AVVAAPIDeviceContext
VAAPI connection details.
Definition: hwcontext_vaapi.h:68
ff_vaapi_common_frame_params
int ff_vaapi_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: vaapi_decode.c:610
VAAPIDecodeContext::frames
AVHWFramesContext * frames
Definition: vaapi_decode.h:70