alldevices.c 1.79 KB
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/*
 * 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
 */
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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); }
#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); }
#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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    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);
    REGISTER_INDEV    (BKTR, bktr);
    REGISTER_INDEV    (DV1394, dv1394);
    REGISTER_INDEV    (JACK, jack);
    REGISTER_INOUTDEV (OSS, oss);
    REGISTER_INDEV    (V4L2, v4l2);
    REGISTER_INDEV    (V4L, v4l);
    REGISTER_INDEV    (VFWCAP, vfwcap);
    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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}