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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
*/
#include "config.h"
#include "libavutil/thread.h"
#include "avdevice.h"
#if FF_API_NEXT
#include "libavformat/internal.h"
#endif
/* devices */
extern AVInputFormat ff_alsa_demuxer;
extern AVOutputFormat ff_alsa_muxer;
extern AVInputFormat ff_android_camera_demuxer;
extern AVInputFormat ff_avfoundation_demuxer;
extern AVInputFormat ff_bktr_demuxer;
extern AVOutputFormat ff_caca_muxer;
extern AVInputFormat ff_decklink_demuxer;
extern AVOutputFormat ff_decklink_muxer;
extern AVInputFormat ff_libndi_newtek_demuxer;
extern AVOutputFormat ff_libndi_newtek_muxer;
extern AVInputFormat ff_dshow_demuxer;
extern AVInputFormat ff_fbdev_demuxer;
extern AVOutputFormat ff_fbdev_muxer;
extern AVInputFormat ff_gdigrab_demuxer;
extern AVInputFormat ff_iec61883_demuxer;
extern AVInputFormat ff_jack_demuxer;
extern AVInputFormat ff_kmsgrab_demuxer;
extern AVInputFormat ff_lavfi_demuxer;
extern AVInputFormat ff_openal_demuxer;
extern AVOutputFormat ff_opengl_muxer;
extern AVInputFormat ff_oss_demuxer;
extern AVOutputFormat ff_oss_muxer;
extern AVInputFormat ff_pulse_demuxer;
extern AVOutputFormat ff_pulse_muxer;
extern AVOutputFormat ff_sdl2_muxer;
extern AVInputFormat ff_sndio_demuxer;
extern AVOutputFormat ff_sndio_muxer;
extern AVInputFormat ff_v4l2_demuxer;
extern AVOutputFormat ff_v4l2_muxer;
extern AVInputFormat ff_vfwcap_demuxer;
extern AVInputFormat ff_xcbgrab_demuxer;
extern AVOutputFormat ff_xv_muxer;
/* external libraries */
extern AVInputFormat ff_libcdio_demuxer;
extern AVInputFormat ff_libdc1394_demuxer;
#include "libavdevice/outdev_list.c"
#include "libavdevice/indev_list.c"
const AVOutputFormat *av_outdev_iterate(void **opaque)
{
uintptr_t i = (uintptr_t)*opaque;
const AVOutputFormat *f = outdev_list[i];
if (f)
*opaque = (void*)(i + 1);
return f;
}
const AVInputFormat *av_indev_iterate(void **opaque)
{
uintptr_t i = (uintptr_t)*opaque;
const AVInputFormat *f = indev_list[i];
if (f)
*opaque = (void*)(i + 1);
return f;
}
#if FF_API_NEXT
FF_DISABLE_DEPRECATION_WARNINGS
static AVOnce av_device_next_init = AV_ONCE_INIT;
static void av_device_init_next(void)
{
AVOutputFormat *prevout = NULL, *out;
AVInputFormat *previn = NULL, *in;
void *i = 0;
while ((out = (AVOutputFormat*)av_outdev_iterate(&i))) {
if (prevout)
prevout->next = out;
prevout = out;
}
i = 0;
while ((in = (AVInputFormat*)av_indev_iterate(&i))) {
if (previn)
previn->next = in;
previn = in;
}
avpriv_register_devices(outdev_list, indev_list);
}
void avdevice_register_all(void)
{
ff_thread_once(&av_device_next_init, av_device_init_next);
}
static void *device_next(void *prev, int output,
AVClassCategory c1, AVClassCategory c2)
{
const AVClass *pc;
AVClassCategory category = AV_CLASS_CATEGORY_NA;
ff_thread_once(&av_device_next_init, av_device_init_next);
do {
if (output) {
if (!(prev = prev ? ((AVOutputFormat *)prev)->next : (void*)outdev_list[0]))
break;
pc = ((AVOutputFormat *)prev)->priv_class;
} else {
if (!(prev = prev ? ((AVInputFormat *)prev)->next : (void*)indev_list[0]))
break;
pc = ((AVInputFormat *)prev)->priv_class;
}
if (!pc)
continue;
category = pc->category;
} while (category != c1 && category != c2);
return prev;
}
AVInputFormat *av_input_audio_device_next(AVInputFormat *d)
{
return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
AV_CLASS_CATEGORY_DEVICE_INPUT);
}
AVInputFormat *av_input_video_device_next(AVInputFormat *d)
{
return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
AV_CLASS_CATEGORY_DEVICE_INPUT);
}
AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d)
{
return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
AV_CLASS_CATEGORY_DEVICE_OUTPUT);
}
AVOutputFormat *av_output_video_device_next(AVOutputFormat *d)
{
return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
AV_CLASS_CATEGORY_DEVICE_OUTPUT);
}
FF_DISABLE_DEPRECATION_WARNINGS
#endif
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