mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
d92f38c179
This is possible now that the next-API is gone. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: James Almer <jamrial@gmail.com>
142 lines
4.4 KiB
C
142 lines
4.4 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 "libavutil/thread.h"
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#include "libavformat/internal.h"
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#include "avdevice.h"
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/* devices */
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extern const AVInputFormat ff_alsa_demuxer;
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extern const AVOutputFormat ff_alsa_muxer;
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extern const AVInputFormat ff_android_camera_demuxer;
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extern const AVOutputFormat ff_audiotoolbox_muxer;
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extern const AVInputFormat ff_avfoundation_demuxer;
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extern const AVInputFormat ff_bktr_demuxer;
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extern const AVOutputFormat ff_caca_muxer;
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extern const AVInputFormat ff_decklink_demuxer;
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extern const AVOutputFormat ff_decklink_muxer;
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extern const AVInputFormat ff_dshow_demuxer;
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extern const AVInputFormat ff_fbdev_demuxer;
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extern const AVOutputFormat ff_fbdev_muxer;
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extern const AVInputFormat ff_gdigrab_demuxer;
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extern const AVInputFormat ff_iec61883_demuxer;
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extern const AVInputFormat ff_jack_demuxer;
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extern const AVInputFormat ff_kmsgrab_demuxer;
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extern const AVInputFormat ff_lavfi_demuxer;
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extern const AVInputFormat ff_openal_demuxer;
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extern const AVOutputFormat ff_opengl_muxer;
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extern const AVInputFormat ff_oss_demuxer;
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extern const AVOutputFormat ff_oss_muxer;
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extern const AVInputFormat ff_pulse_demuxer;
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extern const AVOutputFormat ff_pulse_muxer;
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extern const AVOutputFormat ff_sdl2_muxer;
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extern const AVInputFormat ff_sndio_demuxer;
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extern const AVOutputFormat ff_sndio_muxer;
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extern const AVInputFormat ff_v4l2_demuxer;
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extern const AVOutputFormat ff_v4l2_muxer;
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extern const AVInputFormat ff_vfwcap_demuxer;
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extern const AVInputFormat ff_xcbgrab_demuxer;
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extern const AVOutputFormat ff_xv_muxer;
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/* external libraries */
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extern const AVInputFormat ff_libcdio_demuxer;
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extern const AVInputFormat ff_libdc1394_demuxer;
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#include "libavdevice/outdev_list.c"
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#include "libavdevice/indev_list.c"
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void avdevice_register_all(void)
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{
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avpriv_register_devices(outdev_list, indev_list);
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}
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static const void *next_input(const AVInputFormat *prev, AVClassCategory c2)
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{
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const AVClass *pc;
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const AVClassCategory c1 = AV_CLASS_CATEGORY_DEVICE_INPUT;
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AVClassCategory category = AV_CLASS_CATEGORY_NA;
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const AVInputFormat *fmt = NULL;
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int i = 0;
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while (prev && (fmt = indev_list[i])) {
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i++;
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if (prev == fmt)
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break;
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}
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do {
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fmt = indev_list[i++];
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if (!fmt)
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break;
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pc = fmt->priv_class;
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if (!pc)
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continue;
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category = pc->category;
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} while (category != c1 && category != c2);
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return fmt;
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}
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static const void *next_output(const AVOutputFormat *prev, AVClassCategory c2)
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{
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const AVClass *pc;
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const AVClassCategory c1 = AV_CLASS_CATEGORY_DEVICE_OUTPUT;
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AVClassCategory category = AV_CLASS_CATEGORY_NA;
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const AVOutputFormat *fmt = NULL;
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int i = 0;
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while (prev && (fmt = outdev_list[i])) {
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i++;
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if (prev == fmt)
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break;
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}
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do {
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fmt = outdev_list[i++];
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if (!fmt)
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break;
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pc = fmt->priv_class;
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if (!pc)
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continue;
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category = pc->category;
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} while (category != c1 && category != c2);
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return fmt;
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}
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const AVInputFormat *av_input_audio_device_next(const AVInputFormat *d)
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{
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return next_input(d, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT);
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}
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const AVInputFormat *av_input_video_device_next(const AVInputFormat *d)
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{
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return next_input(d, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT);
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}
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const AVOutputFormat *av_output_audio_device_next(const AVOutputFormat *d)
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{
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return next_output(d, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT);
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}
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const AVOutputFormat *av_output_video_device_next(const AVOutputFormat *d)
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{
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return next_output(d, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT);
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}
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