2 * Blackmagic DeckLink common code
3 * Copyright (c) 2013-2014 Ramiro Polla, Luca Barbato, Deti Fliegl
4 * Copyright (c) 2017 Akamai Technologies, Inc.
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef AVDEVICE_DECKLINK_COMMON_H
24 #define AVDEVICE_DECKLINK_COMMON_H
26 #include <DeckLinkAPIVersion.h>
28 #include "libavutil/thread.h"
29 #include "decklink_common_c.h"
31 class decklink_output_callback;
32 class decklink_input_callback;
34 typedef struct AVPacketQueue {
35 AVPacketList *first_pkt, *last_pkt;
37 unsigned long long size;
39 pthread_mutex_t mutex;
41 AVFormatContext *avctx;
46 /* DeckLink SDK interfaces */
50 IDeckLinkConfiguration *cfg;
51 IDeckLinkAttributes *attr;
52 decklink_output_callback *output_callback;
53 decklink_input_callback *input_callback;
55 /* DeckLink mode information */
56 BMDTimeValue bmd_tb_den;
57 BMDTimeValue bmd_tb_num;
58 BMDDisplayMode bmd_mode;
59 BMDVideoConnection video_input;
60 BMDAudioConnection audio_input;
63 int bmd_field_dominance;
65 /* Capture buffer queue */
76 unsigned long frameCount;
80 AVStream *teletext_st;
85 int64_t teletext_lines;
88 DecklinkPtsSource audio_pts_source;
89 DecklinkPtsSource video_pts_source;
95 pthread_mutex_t mutex;
97 int frames_buffer_available_spots;
102 typedef enum { DIRECTION_IN, DIRECTION_OUT} decklink_direction_t;
105 #if BLACKMAGIC_DECKLINK_API_VERSION < 0x0a040000
106 typedef unsigned long buffercount_type;
108 typedef unsigned int buffercount_type;
110 IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
112 typedef uint32_t buffercount_type;
115 static const BMDAudioConnection decklink_audio_connection_map[] = {
116 (BMDAudioConnection)0,
117 bmdAudioConnectionEmbedded,
118 bmdAudioConnectionAESEBU,
119 bmdAudioConnectionAnalog,
120 bmdAudioConnectionAnalogXLR,
121 bmdAudioConnectionAnalogRCA,
122 bmdAudioConnectionMicrophone,
125 static const BMDVideoConnection decklink_video_connection_map[] = {
126 (BMDVideoConnection)0,
127 bmdVideoConnectionSDI,
128 bmdVideoConnectionHDMI,
129 bmdVideoConnectionOpticalSDI,
130 bmdVideoConnectionComponent,
131 bmdVideoConnectionComposite,
132 bmdVideoConnectionSVideo,
135 HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
136 int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int tb_num, int tb_den, enum AVFieldOrder field_order, decklink_direction_t direction = DIRECTION_OUT, int num = 0);
137 int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t direction, int num);
138 int ff_decklink_list_devices(AVFormatContext *avctx, struct AVDeviceInfoList *device_list, int show_inputs, int show_outputs);
139 void ff_decklink_list_devices_legacy(AVFormatContext *avctx, int show_inputs, int show_outputs);
140 int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction = DIRECTION_OUT);
141 void ff_decklink_cleanup(AVFormatContext *avctx);
142 int ff_decklink_init_device(AVFormatContext *avctx, const char* name);
144 #endif /* AVDEVICE_DECKLINK_COMMON_H */