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decklink_common.h
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1 /*
2  * Blackmagic DeckLink common code
3  * Copyright (c) 2013-2014 Ramiro Polla, Luca Barbato, Deti Fliegl
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVDEVICE_DECKLINK_COMMON_H
23 #define AVDEVICE_DECKLINK_COMMON_H
24 
25 #include <DeckLinkAPIVersion.h>
26 
27 #include "decklink_common_c.h"
28 
31 
32 typedef struct AVPacketQueue {
35  unsigned long long size;
41 
42 struct decklink_ctx {
43  /* DeckLink SDK interfaces */
44  IDeckLink *dl;
45  IDeckLinkOutput *dlo;
46  IDeckLinkInput *dli;
49 
50  /* DeckLink mode information */
51  BMDTimeValue bmd_tb_den;
52  BMDTimeValue bmd_tb_num;
53  BMDDisplayMode bmd_mode;
54  int bmd_width;
57 
58  /* Capture buffer queue */
60 
61  /* Streams present */
62  int audio;
63  int video;
64 
65  /* Status */
68  int64_t last_pts;
69  unsigned long frameCount;
70  unsigned int dropped;
74 
75  /* Options */
78  int64_t teletext_lines;
79  double preroll;
80 
83 
84  sem_t semaphore;
85 
86  int channels;
87 };
88 
90 
91 #ifdef _WIN32
92 #if BLACKMAGIC_DECKLINK_API_VERSION < 0x0a040000
93 typedef unsigned long buffercount_type;
94 #else
95 typedef unsigned int buffercount_type;
96 #endif
97 IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
98 #else
99 typedef uint32_t buffercount_type;
100 #endif
101 
102 
103 HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
104 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);
105 int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t direction, int num);
108 
109 #endif /* AVDEVICE_DECKLINK_COMMON_H */
pthread_cond_t cond
Format I/O context.
Definition: avformat.h:1314
HMTX pthread_mutex_t
Definition: os2threads.h:49
pthread_mutex_t mutex
AVPacketList * last_pkt
AVPacketList * first_pkt
unsigned long long size
Stream structure.
Definition: avformat.h:877
BYTE int const BYTE int int int height
Definition: avisynth_c.h:676
AVFormatContext * avctx
DWORD HRESULT
static int width