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141 lines
4.4 KiB
141 lines
4.4 KiB
/* |
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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 "libavformat/demux.h" |
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#include "libavformat/internal.h" |
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#include "libavformat/mux.h" |
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#include "avdevice.h" |
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/* devices */ |
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extern const FFInputFormat ff_alsa_demuxer; |
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extern const FFOutputFormat ff_alsa_muxer; |
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extern const FFInputFormat ff_android_camera_demuxer; |
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extern const FFOutputFormat ff_audiotoolbox_muxer; |
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extern const FFInputFormat ff_avfoundation_demuxer; |
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extern const FFInputFormat ff_bktr_demuxer; |
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extern const FFOutputFormat ff_caca_muxer; |
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extern const FFInputFormat ff_decklink_demuxer; |
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extern const FFOutputFormat ff_decklink_muxer; |
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extern const FFInputFormat ff_dshow_demuxer; |
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extern const FFInputFormat ff_fbdev_demuxer; |
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extern const FFOutputFormat ff_fbdev_muxer; |
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extern const FFInputFormat ff_gdigrab_demuxer; |
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extern const FFInputFormat ff_iec61883_demuxer; |
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extern const FFInputFormat ff_jack_demuxer; |
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extern const FFInputFormat ff_kmsgrab_demuxer; |
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extern const FFInputFormat ff_lavfi_demuxer; |
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extern const FFInputFormat ff_openal_demuxer; |
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extern const FFOutputFormat ff_opengl_muxer; |
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extern const FFInputFormat ff_oss_demuxer; |
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extern const FFOutputFormat ff_oss_muxer; |
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extern const FFInputFormat ff_pulse_demuxer; |
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extern const FFOutputFormat ff_pulse_muxer; |
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extern const FFOutputFormat ff_sdl2_muxer; |
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extern const FFInputFormat ff_sndio_demuxer; |
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extern const FFOutputFormat ff_sndio_muxer; |
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extern const FFInputFormat ff_v4l2_demuxer; |
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extern const FFOutputFormat ff_v4l2_muxer; |
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extern const FFInputFormat ff_vfwcap_demuxer; |
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extern const FFInputFormat ff_xcbgrab_demuxer; |
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extern const FFOutputFormat ff_xv_muxer; |
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/* external libraries */ |
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extern const FFInputFormat ff_libcdio_demuxer; |
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extern const FFInputFormat 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 FFInputFormat *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->p) |
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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->p.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 FFOutputFormat *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->p) |
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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->p.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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