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libavdevice
decklink_common.h
Go to the documentation of this file.
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/*
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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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#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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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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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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/* Options */
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int
list_devices
;
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int
list_formats
;
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double
preroll
;
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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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typedef
unsigned
long
buffercount_type
;
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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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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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Generated on Sun Mar 8 2015 02:35:04 for FFmpeg by
1.8.2