mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
146 lines
4.6 KiB
C
146 lines
4.6 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 "libavutil/attributes.h"
|
|
#include "libavutil/attributes_internal.h"
|
|
#include "libavformat/avformat_internal.h"
|
|
#include "libavformat/demux.h"
|
|
#include "libavformat/mux.h"
|
|
#include "avdevice.h"
|
|
|
|
FF_VISIBILITY_PUSH_HIDDEN
|
|
/* devices */
|
|
extern const FFInputFormat ff_alsa_demuxer;
|
|
extern const FFOutputFormat ff_alsa_muxer;
|
|
extern const FFInputFormat ff_android_camera_demuxer;
|
|
extern const FFOutputFormat ff_audiotoolbox_muxer;
|
|
extern const FFInputFormat ff_avfoundation_demuxer;
|
|
extern const FFInputFormat ff_bktr_demuxer;
|
|
extern const FFOutputFormat ff_caca_muxer;
|
|
extern const FFInputFormat ff_decklink_demuxer;
|
|
extern const FFOutputFormat ff_decklink_muxer;
|
|
extern const FFInputFormat ff_dshow_demuxer;
|
|
extern const FFInputFormat ff_fbdev_demuxer;
|
|
extern const FFOutputFormat ff_fbdev_muxer;
|
|
extern const FFInputFormat ff_gdigrab_demuxer;
|
|
extern const FFInputFormat ff_iec61883_demuxer;
|
|
extern const FFInputFormat ff_jack_demuxer;
|
|
extern const FFInputFormat ff_kmsgrab_demuxer;
|
|
extern const FFInputFormat ff_lavfi_demuxer;
|
|
extern const FFInputFormat ff_openal_demuxer;
|
|
extern const FFOutputFormat ff_opengl_muxer;
|
|
extern const FFInputFormat ff_oss_demuxer;
|
|
extern const FFOutputFormat ff_oss_muxer;
|
|
extern const FFInputFormat ff_pulse_demuxer;
|
|
extern const FFOutputFormat ff_pulse_muxer;
|
|
extern const FFOutputFormat ff_sdl2_muxer;
|
|
extern const FFInputFormat ff_sndio_demuxer;
|
|
extern const FFOutputFormat ff_sndio_muxer;
|
|
extern const FFInputFormat ff_v4l2_demuxer;
|
|
extern const FFOutputFormat ff_v4l2_muxer;
|
|
extern const FFInputFormat ff_vfwcap_demuxer;
|
|
extern const FFInputFormat ff_xcbgrab_demuxer;
|
|
extern const FFOutputFormat ff_xv_muxer;
|
|
|
|
/* external libraries */
|
|
extern const FFInputFormat ff_libcdio_demuxer;
|
|
extern const FFInputFormat ff_libdc1394_demuxer;
|
|
FF_VISIBILITY_POP_HIDDEN
|
|
|
|
#include "libavdevice/outdev_list.c"
|
|
#include "libavdevice/indev_list.c"
|
|
|
|
av_cold void avdevice_register_all(void)
|
|
{
|
|
avpriv_register_devices(outdev_list, indev_list);
|
|
}
|
|
|
|
static av_cold const void *next_input(const AVInputFormat *prev, AVClassCategory c2)
|
|
{
|
|
const AVClass *pc;
|
|
const AVClassCategory c1 = AV_CLASS_CATEGORY_DEVICE_INPUT;
|
|
AVClassCategory category = AV_CLASS_CATEGORY_NA;
|
|
const FFInputFormat *fmt = NULL;
|
|
int i = 0;
|
|
|
|
while (prev && (fmt = indev_list[i])) {
|
|
i++;
|
|
if (prev == &fmt->p)
|
|
break;
|
|
}
|
|
|
|
do {
|
|
fmt = indev_list[i++];
|
|
if (!fmt)
|
|
break;
|
|
pc = fmt->p.priv_class;
|
|
if (!pc)
|
|
continue;
|
|
category = pc->category;
|
|
} while (category != c1 && category != c2);
|
|
return fmt;
|
|
}
|
|
|
|
static av_cold const void *next_output(const AVOutputFormat *prev, AVClassCategory c2)
|
|
{
|
|
const AVClass *pc;
|
|
const AVClassCategory c1 = AV_CLASS_CATEGORY_DEVICE_OUTPUT;
|
|
AVClassCategory category = AV_CLASS_CATEGORY_NA;
|
|
const FFOutputFormat *fmt = NULL;
|
|
int i = 0;
|
|
|
|
while (prev && (fmt = outdev_list[i])) {
|
|
i++;
|
|
if (prev == &fmt->p)
|
|
break;
|
|
}
|
|
|
|
do {
|
|
fmt = outdev_list[i++];
|
|
if (!fmt)
|
|
break;
|
|
pc = fmt->p.priv_class;
|
|
if (!pc)
|
|
continue;
|
|
category = pc->category;
|
|
} while (category != c1 && category != c2);
|
|
return fmt;
|
|
}
|
|
|
|
av_cold const AVInputFormat *av_input_audio_device_next(const AVInputFormat *d)
|
|
{
|
|
return next_input(d, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT);
|
|
}
|
|
|
|
av_cold const AVInputFormat *av_input_video_device_next(const AVInputFormat *d)
|
|
{
|
|
return next_input(d, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT);
|
|
}
|
|
|
|
av_cold const AVOutputFormat *av_output_audio_device_next(const AVOutputFormat *d)
|
|
{
|
|
return next_output(d, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT);
|
|
}
|
|
|
|
av_cold const AVOutputFormat *av_output_video_device_next(const AVOutputFormat *d)
|
|
{
|
|
return next_output(d, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT);
|
|
}
|