mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-20 00:05:06 +02:00
![Hendrik Leppkes](/assets/img/avatar_default.png)
Using AVOnce as a stack variable makes no sense as the state is lost when the function exits. This fixes repeated calls to av(filter/device)_register_all
80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
/*
|
|
* Register all the grabbing devices.
|
|
*
|
|
* 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 "config.h"
|
|
#include "libavutil/thread.h"
|
|
#include "avdevice.h"
|
|
|
|
#define REGISTER_OUTDEV(X, x) \
|
|
{ \
|
|
extern AVOutputFormat ff_##x##_muxer; \
|
|
if (CONFIG_##X##_OUTDEV) \
|
|
av_register_output_format(&ff_##x##_muxer); \
|
|
}
|
|
|
|
#define REGISTER_INDEV(X, x) \
|
|
{ \
|
|
extern AVInputFormat ff_##x##_demuxer; \
|
|
if (CONFIG_##X##_INDEV) \
|
|
av_register_input_format(&ff_##x##_demuxer); \
|
|
}
|
|
|
|
#define REGISTER_INOUTDEV(X, x) REGISTER_OUTDEV(X, x); REGISTER_INDEV(X, x)
|
|
|
|
static void register_all(void)
|
|
{
|
|
/* devices */
|
|
REGISTER_INOUTDEV(ALSA, alsa);
|
|
REGISTER_INDEV (AVFOUNDATION, avfoundation);
|
|
REGISTER_INDEV (BKTR, bktr);
|
|
REGISTER_OUTDEV (CACA, caca);
|
|
REGISTER_INOUTDEV(DECKLINK, decklink);
|
|
REGISTER_INDEV (DSHOW, dshow);
|
|
REGISTER_INDEV (DV1394, dv1394);
|
|
REGISTER_INOUTDEV(FBDEV, fbdev);
|
|
REGISTER_INDEV (GDIGRAB, gdigrab);
|
|
REGISTER_INDEV (IEC61883, iec61883);
|
|
REGISTER_INDEV (JACK, jack);
|
|
REGISTER_INDEV (LAVFI, lavfi);
|
|
REGISTER_INDEV (OPENAL, openal);
|
|
REGISTER_OUTDEV (OPENGL, opengl);
|
|
REGISTER_INOUTDEV(OSS, oss);
|
|
REGISTER_INOUTDEV(PULSE, pulse);
|
|
REGISTER_INDEV (QTKIT, qtkit);
|
|
REGISTER_OUTDEV (SDL2, sdl2);
|
|
REGISTER_INOUTDEV(SNDIO, sndio);
|
|
REGISTER_INOUTDEV(V4L2, v4l2);
|
|
// REGISTER_INDEV (V4L, v4l
|
|
REGISTER_INDEV (VFWCAP, vfwcap);
|
|
REGISTER_INDEV (XCBGRAB, xcbgrab);
|
|
REGISTER_OUTDEV (XV, xv);
|
|
|
|
/* external libraries */
|
|
REGISTER_INDEV (LIBCDIO, libcdio);
|
|
REGISTER_INDEV (LIBDC1394, libdc1394);
|
|
}
|
|
|
|
void avdevice_register_all(void)
|
|
{
|
|
static AVOnce control = AV_ONCE_INIT;
|
|
|
|
ff_thread_once(&control, register_all);
|
|
}
|