mirror of
https://github.com/FFmpeg/FFmpeg.git
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55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
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* Register all the grabbing devices.
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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 "config.h"
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#include "libavformat/avformat.h"
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#include "avdevice.h"
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#define REGISTER_OUTDEV(X,x) { \
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extern AVOutputFormat x##_muxer; \
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if(CONFIG_##X##_OUTDEV) av_register_output_format(&x##_muxer); }
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#define REGISTER_INDEV(X,x) { \
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extern AVInputFormat x##_demuxer; \
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if(CONFIG_##X##_INDEV) av_register_input_format(&x##_demuxer); }
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#define REGISTER_INOUTDEV(X,x) REGISTER_OUTDEV(X,x); REGISTER_INDEV(X,x)
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void avdevice_register_all(void)
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{
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static int initialized;
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if (initialized)
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return;
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initialized = 1;
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/* devices */
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REGISTER_INOUTDEV (ALSA, alsa);
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REGISTER_INDEV (BKTR, bktr);
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REGISTER_INDEV (DV1394, dv1394);
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REGISTER_INDEV (JACK, jack);
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REGISTER_INOUTDEV (OSS, oss);
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REGISTER_INDEV (V4L2, v4l2);
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REGISTER_INDEV (V4L, v4l);
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REGISTER_INDEV (VFWCAP, vfwcap);
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REGISTER_INDEV (X11_GRAB_DEVICE, x11_grab_device);
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/* external libraries */
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REGISTER_INDEV (LIBDC1394, libdc1394);
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}
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