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
109
110
111
112
|
#ifndef MPV_LAVC_H
#define MPV_LAVC_H
#include <stdbool.h>
#include <libavcodec/avcodec.h>
#include "demux/stheader.h"
#include "video/mp_image.h"
#include "video/hwdec.h"
#define HWDEC_DELAY_QUEUE_COUNT 2
typedef struct lavc_ctx {
struct mp_log *log;
struct MPOpts *opts;
AVCodecContext *avctx;
AVFrame *pic;
struct vd_lavc_hwdec *hwdec;
AVRational codec_timebase;
enum AVPixelFormat pix_fmt;
enum AVDiscard skip_frame;
bool flushing;
const char *decoder;
bool hwdec_failed;
bool hwdec_notified;
int framedrop_flags;
// For HDR side-data caching
double cached_hdr_peak;
bool hw_probing;
struct demux_packet **sent_packets;
int num_sent_packets;
struct demux_packet **requeue_packets;
int num_requeue_packets;
struct mp_image **delay_queue;
int num_delay_queue;
int max_delay_queue;
// From VO
struct mp_hwdec_devices *hwdec_devs;
// For free use by hwdec implementation
void *hwdec_priv;
int hwdec_fmt;
int hwdec_w;
int hwdec_h;
int hwdec_profile;
bool hwdec_request_reinit;
int hwdec_fail_count;
} vd_ffmpeg_ctx;
struct vd_lavc_hwdec {
enum hwdec_type type;
// If not-0: the IMGFMT_ format that should be accepted in the libavcodec
// get_format callback.
int image_format;
// Always returns a non-hwaccel image format.
bool copying;
// Setting this will queue the given number of frames before calling
// process_image() or returning them to the renderer. This can increase
// efficiency by not blocking on the hardware pipeline by reading back
// immediately after decoding.
int delay_queue;
int (*probe)(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
const char *codec);
int (*init)(struct lavc_ctx *ctx);
int (*init_decoder)(struct lavc_ctx *ctx, int w, int h);
void (*uninit)(struct lavc_ctx *ctx);
// Note: if init_decoder is set, this will always use the values from the
// last successful init_decoder call. Otherwise, it's up to you.
struct mp_image *(*allocate_image)(struct lavc_ctx *ctx, int w, int h);
// Process the image returned by the libavcodec decoder.
struct mp_image *(*process_image)(struct lavc_ctx *ctx, struct mp_image *img);
// For horrible Intel shit-drivers only
void (*lock)(struct lavc_ctx *ctx);
void (*unlock)(struct lavc_ctx *ctx);
// Optional; if a special hardware decoder is needed (instead of "hwaccel").
const char *(*get_codec)(struct lavc_ctx *ctx, const char *codec);
// Suffix for libavcodec decoder. If non-NULL, get_codec() is overridden
// with hwdec_find_decoder.
// Intuitively, this will force the corresponding wrapper decoder.
const char *lavc_suffix;
};
enum {
HWDEC_ERR_NO_CTX = -2,
HWDEC_ERR_NO_CODEC = -3,
HWDEC_ERR_EMULATED = -4, // probing successful, but emulated API detected
};
struct hwdec_profile_entry {
enum AVCodecID av_codec;
int ff_profile;
uint64_t hw_profile;
};
const struct hwdec_profile_entry *hwdec_find_profile(
struct lavc_ctx *ctx, const struct hwdec_profile_entry *table);
bool hwdec_check_codec_support(const char *codec,
const struct hwdec_profile_entry *table);
int hwdec_get_max_refs(struct lavc_ctx *ctx);
const char *hwdec_find_decoder(const char *codec, const char *suffix);
#endif
|
