| /* |
| * 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/demux.h" |
| #include "libavformat/internal.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); |
| } |