diff options
Diffstat (limited to 'libavdevice/alldevices.c')
| -rw-r--r-- | libavdevice/alldevices.c | 181 |
1 files changed, 138 insertions, 43 deletions
diff --git a/libavdevice/alldevices.c b/libavdevice/alldevices.c index b767b6a..8b58aa1 100644 --- a/libavdevice/alldevices.c +++ b/libavdevice/alldevices.c @@ -22,57 +22,152 @@ #include "libavutil/thread.h" #include "avdevice.h" -#define REGISTER_OUTDEV(X, x) \ - { \ - extern AVOutputFormat ff_##x##_muxer; \ - if (CONFIG_##X##_OUTDEV) \ - av_register_output_format(&ff_##x##_muxer); \ +#if FF_API_NEXT +#include "libavformat/internal.h" +#endif + +/* devices */ +extern AVInputFormat ff_alsa_demuxer; +extern AVOutputFormat ff_alsa_muxer; +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; } -#define REGISTER_INDEV(X, x) \ - { \ - extern AVInputFormat ff_##x##_demuxer; \ - if (CONFIG_##X##_INDEV) \ - av_register_input_format(&ff_##x##_demuxer); \ + i = 0; + while ((in = (AVInputFormat*)av_indev_iterate(&i))) { + if (previn) + previn->next = in; + previn = in; } -#define REGISTER_INOUTDEV(X, x) REGISTER_OUTDEV(X, x); REGISTER_INDEV(X, x) + avpriv_register_devices(outdev_list, indev_list); +} -static void register_all(void) +void avdevice_register_all(void) { - /* devices */ - REGISTER_INOUTDEV(ALSA, alsa); - REGISTER_INDEV (AVFOUNDATION, avfoundation); - REGISTER_INDEV (BKTR, bktr); - REGISTER_OUTDEV (CACA, caca); - REGISTER_INOUTDEV(DECKLINK, decklink); - REGISTER_INOUTDEV(LIBNDI_NEWTEK, libndi_newtek); - REGISTER_INDEV (DSHOW, dshow); - REGISTER_INOUTDEV(FBDEV, fbdev); - REGISTER_INDEV (GDIGRAB, gdigrab); - REGISTER_INDEV (IEC61883, iec61883); - REGISTER_INDEV (JACK, jack); - REGISTER_INDEV (KMSGRAB, kmsgrab); - REGISTER_INDEV (LAVFI, lavfi); - REGISTER_INDEV (OPENAL, openal); - REGISTER_OUTDEV (OPENGL, opengl); - REGISTER_INOUTDEV(OSS, oss); - REGISTER_INOUTDEV(PULSE, pulse); - REGISTER_OUTDEV (SDL2, sdl2); - REGISTER_INOUTDEV(SNDIO, sndio); - REGISTER_INOUTDEV(V4L2, v4l2); - REGISTER_INDEV (VFWCAP, vfwcap); - REGISTER_INDEV (XCBGRAB, xcbgrab); - REGISTER_OUTDEV (XV, xv); - - /* external libraries */ - REGISTER_INDEV (LIBCDIO, libcdio); - REGISTER_INDEV (LIBDC1394, libdc1394); + ff_thread_once(&av_device_next_init, av_device_init_next); } -void avdevice_register_all(void) +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); + + if (!prev && !(prev = (output ? (void*)outdev_list[0] : (void*)indev_list[0]))) + return NULL; + + do { + if (output) { + if (!(prev = ((AVOutputFormat *)prev)->next)) + break; + pc = ((AVOutputFormat *)prev)->priv_class; + } else { + if (!(prev = ((AVInputFormat *)prev)->next)) + 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) { - static AVOnce control = AV_ONCE_INIT; + return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT, + AV_CLASS_CATEGORY_DEVICE_OUTPUT); +} - ff_thread_once(&control, register_all); +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 + |
