Imported Debian version 2.5.2~trusty
[deb_ffmpeg.git] / ffmpeg / libavdevice / decklink_common.h
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 #include "decklink_common_c.h"
23
24 class decklink_output_callback;
25 class decklink_input_callback;
26
27 typedef struct AVPacketQueue {
28 AVPacketList *first_pkt, *last_pkt;
29 int nb_packets;
30 unsigned long long size;
31 int abort_request;
32 pthread_mutex_t mutex;
33 pthread_cond_t cond;
34 AVFormatContext *avctx;
35 } AVPacketQueue;
36
37 struct decklink_ctx {
38 /* DeckLink SDK interfaces */
39 IDeckLink *dl;
40 IDeckLinkOutput *dlo;
41 IDeckLinkInput *dli;
42 decklink_output_callback *output_callback;
43 decklink_input_callback *input_callback;
44
45 /* DeckLink mode information */
46 BMDTimeValue bmd_tb_den;
47 BMDTimeValue bmd_tb_num;
48 BMDDisplayMode bmd_mode;
49 int bmd_width;
50 int bmd_height;
51 int bmd_field_dominance;
52
53 /* Capture buffer queue */
54 AVPacketQueue queue;
55
56 /* Streams present */
57 int audio;
58 int video;
59
60 /* Status */
61 int playback_started;
62 int capture_started;
63 int64_t last_pts;
64 unsigned long frameCount;
65 unsigned int dropped;
66 AVStream *audio_st;
67 AVStream *video_st;
68
69 /* Options */
70 int list_devices;
71 int list_formats;
72 double preroll;
73
74 int frames_preroll;
75 int frames_buffer;
76
77 sem_t semaphore;
78
79 int channels;
80 };
81
82 typedef enum { DIRECTION_IN, DIRECTION_OUT} decklink_direction_t;
83
84 #ifdef _WIN32
85 typedef unsigned long buffercount_type;
86 IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
87 #else
88 typedef uint32_t buffercount_type;
89 #endif
90
91
92 HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
93 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);
94 int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t direction, int num);
95 int ff_decklink_list_devices(AVFormatContext *avctx);
96 int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction = DIRECTION_OUT);
97