mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
|
/*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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;
|
||
|
|
decklink_output_callback *output_callback;
|
||
|
|
decklink_input_callback *input_callback;
|
||
|
|
|
||
|
|
/* DeckLink mode information */
|
||
|
|
BMDTimeValue bmd_tb_den;
|
||
|
|
BMDTimeValue bmd_tb_num;
|
||
|
|
BMDDisplayMode bmd_mode;
|
||
|
|
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;
|
||
|
|
|
||
|
|
/* Options */
|
||
|
|
int list_devices;
|
||
|
|
int list_formats;
|
||
|
|
double preroll;
|
||
|
|
|
||
|
|
int frames_preroll;
|
||
|
|
int frames_buffer;
|
||
|
|
|
||
|
|
sem_t semaphore;
|
||
|
|
|
||
|
|
int channels;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef enum { DIRECTION_IN, DIRECTION_OUT} decklink_direction_t;
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
typedef unsigned long buffercount_type;
|
||
|
|
IDeckLinkIterator *CreateDeckLinkIteratorInstance(void);
|
||
|
|
#else
|
||
|
|
typedef uint32_t buffercount_type;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
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);
|
||
|
|
|