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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Blackmagic DeckLink common code
* Copyright (c) 2013-2014 Ramiro Polla, Luca Barbato, Deti Fliegl
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVDEVICE_DECKLINK_COMMON_H
#define AVDEVICE_DECKLINK_COMMON_H
#include <DeckLinkAPIVersion.h>
#include "decklink_common_c.h"
class decklink_output_callback;
class decklink_input_callback;
typedef struct AVPacketQueue {
AVPacketList *first_pkt, *last_pkt;
int nb_packets;
unsigned long long size;
int abort_request;
pthread_mutex_t mutex;
pthread_cond_t cond;
AVFormatContext *avctx;
} AVPacketQueue;
struct decklink_ctx {
/* DeckLink SDK interfaces */
IDeckLink *dl;
IDeckLinkOutput *dlo;
IDeckLinkInput *dli;
IDeckLinkConfiguration *cfg;
IDeckLinkAttributes *attr;
decklink_output_callback *output_callback;
decklink_input_callback *input_callback;
/* DeckLink mode information */
BMDTimeValue bmd_tb_den;
BMDTimeValue bmd_tb_num;
BMDDisplayMode bmd_mode;
BMDVideoConnection video_input;
BMDAudioConnection audio_input;
int bmd_width;
int bmd_height;
int bmd_field_dominance;
/* Capture buffer queue */
AVPacketQueue queue;
/* Streams present */
int audio;
int video;
/* Status */
int playback_started;
int capture_started;
int64_t last_pts;
unsigned long frameCount;
unsigned int dropped;
AVStream *audio_st;
AVStream *video_st;
AVStream *teletext_st;
/* Options */
int list_devices;
int list_formats;
int64_t teletext_lines;
double preroll;
int duplex_mode;
DecklinkPtsSource audio_pts_source;
DecklinkPtsSource video_pts_source;
int frames_preroll;
int frames_buffer;
sem_t semaphore;
int channels;
};
typedef enum { DIRECTION_IN, DIRECTION_OUT} decklink_direction_t;
#ifdef _WIN32
#if BLACKMAGIC_DECKLINK_API_VERSION < 0x0a040000
typedef unsigned long buffercount_type;
#else
typedef unsigned int buffercount_type;
#endif
IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
#else
typedef uint32_t buffercount_type;
#endif
static const BMDAudioConnection decklink_audio_connection_map[] = {
(BMDAudioConnection)0,
bmdAudioConnectionEmbedded,
bmdAudioConnectionAESEBU,
bmdAudioConnectionAnalog,
bmdAudioConnectionAnalogXLR,
bmdAudioConnectionAnalogRCA,
bmdAudioConnectionMicrophone,
};
static const BMDVideoConnection decklink_video_connection_map[] = {
(BMDVideoConnection)0,
bmdVideoConnectionSDI,
bmdVideoConnectionHDMI,
bmdVideoConnectionOpticalSDI,
bmdVideoConnectionComponent,
bmdVideoConnectionComposite,
bmdVideoConnectionSVideo,
};
HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int tb_num, int tb_den, decklink_direction_t direction = DIRECTION_OUT, int num = 0);
int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t direction, int num);
int ff_decklink_list_devices(AVFormatContext *avctx);
int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction = DIRECTION_OUT);
void ff_decklink_cleanup(AVFormatContext *avctx);
int ff_decklink_init_device(AVFormatContext *avctx, const char* name);
#endif /* AVDEVICE_DECKLINK_COMMON_H */
|
