1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
#ifndef MP_HWDEC_H_
#define MP_HWDEC_H_
#include <libavutil/buffer.h>
#include "options/m_option.h"
struct mp_image_pool;
struct mp_hwdec_ctx {
const char *driver_name; // NULL if unknown/not loaded
// libavutil-wrapped context, if available.
struct AVBufferRef *av_device_ref; // AVHWDeviceContext*
// List of allowed IMGFMT_s, terminated with 0.
// If NULL, all software formats are considered to be supported.
const int *supported_formats;
// HW format used by the hwdec
int hw_imgfmt;
// The name of this hwdec's matching conversion filter if available.
// This will be used for hardware conversion of frame formats.
// NULL otherwise.
const char *conversion_filter_name;
// The libavutil hwconfig to be used when querying constraints for the
// conversion filter. Can be NULL if no special config is required.
void *conversion_config;
};
// Used to communicate hardware decoder device handles from VO to video decoder.
struct mp_hwdec_devices;
struct mp_hwdec_devices *hwdec_devices_create(void);
void hwdec_devices_destroy(struct mp_hwdec_devices *devs);
struct mp_hwdec_ctx *hwdec_devices_get_by_imgfmt(struct mp_hwdec_devices *devs,
int hw_imgfmt);
// For code which still strictly assumes there is 1 (or none) device.
struct mp_hwdec_ctx *hwdec_devices_get_first(struct mp_hwdec_devices *devs);
// Return the n-th device. NULL if none.
struct mp_hwdec_ctx *hwdec_devices_get_n(struct mp_hwdec_devices *devs, int n);
// Add this to the list of internal devices. Adding the same pointer twice must
// be avoided.
void hwdec_devices_add(struct mp_hwdec_devices *devs, struct mp_hwdec_ctx *ctx);
// Remove this from the list of internal devices. Idempotent/ignores entries
// not added yet. This is not thread-safe.
void hwdec_devices_remove(struct mp_hwdec_devices *devs, struct mp_hwdec_ctx *ctx);
struct hwdec_imgfmt_request {
int imgfmt;
bool probing;
};
// Can be used to enable lazy loading of an API with hwdec_devices_request().
// If used at all, this must be set/unset during initialization/uninitialization,
// as concurrent use with hwdec_devices_request() is a race condition.
void hwdec_devices_set_loader(struct mp_hwdec_devices *devs,
void (*load_api)(void *ctx, struct hwdec_imgfmt_request *params),
void *load_api_ctx);
// Cause VO to lazily load all devices for a specified img format, and will
// block until this is done (even if not available). Pass IMGFMT_NONE to load
// all available devices.
void hwdec_devices_request_for_img_fmt(struct mp_hwdec_devices *devs,
struct hwdec_imgfmt_request *params);
// Return "," concatenated list (for introspection/debugging). Use talloc_free().
char *hwdec_devices_get_names(struct mp_hwdec_devices *devs);
struct mp_image;
struct mpv_global;
struct hwcontext_create_dev_params {
bool probing; // if true, don't log errors if unavailable
};
// Per AV_HWDEVICE_TYPE_* functions, queryable via hwdec_get_hwcontext_fns().
// All entries are strictly optional.
struct hwcontext_fns {
int av_hwdevice_type;
// Fill in special format-specific requirements.
void (*refine_hwframes)(struct AVBufferRef *hw_frames_ctx);
// Returns a AVHWDeviceContext*. Used for copy hwdecs.
struct AVBufferRef *(*create_dev)(struct mpv_global *global,
struct mp_log *log,
struct hwcontext_create_dev_params *params);
// Return whether this is using some sort of sub-optimal emulation layer.
bool (*is_emulated)(struct AVBufferRef *hw_device_ctx);
};
// The parameter is of type enum AVHWDeviceType (as in int to avoid extensive
// recursive includes). May return NULL for unknown device types.
const struct hwcontext_fns *hwdec_get_hwcontext_fns(int av_hwdevice_type);
extern const struct hwcontext_fns hwcontext_fns_cuda;
extern const struct hwcontext_fns hwcontext_fns_d3d11;
extern const struct hwcontext_fns hwcontext_fns_drmprime;
extern const struct hwcontext_fns hwcontext_fns_dxva2;
extern const struct hwcontext_fns hwcontext_fns_vaapi;
extern const struct hwcontext_fns hwcontext_fns_vdpau;
#endif
|
