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ffmpeg代码解析
void avdevice_register_all(void)
{
static int initialized;
if (initialized)
return;
initialized = 1;
/* devices */
REGISTER_INOUTDEV(ALSA, alsa);
REGISTER_INDEV (AVFOUNDATION, avfoundation);
REGISTER_INDEV (BKTR, bktr);
REGISTER_OUTDEV (CACA, caca);
REGISTER_OUTDEV (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 (SDL, sdl);
REGISTER_INOUTDEV(SNDIO, sndio);
REGISTER_INOUTDEV(V4L2, v4l2);
// REGISTER_INDEV (V4L, v4l
REGISTER_INDEV (VFWCAP, vfwcap);
REGISTER_INDEV (X11GRAB, x11grab);
REGISTER_OUTDEV (XV, xv);
/* external libraries */
REGISTER_INDEV (LIBCDIO, libcdio);
REGISTER_INDEV (LIBDC1394, libdc1394);
}
ALSA(高级Linux声音架构的简称)
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