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