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Add support for v4l2loopback

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It allows to send the video stream to /dev/videoN, so that it can be
captured (like a webcam) by any v4l2-capable tool.

PR #2232 <https://github.com/Genymobile/scrcpy/pull/2232>
PR #2233 <https://github.com/Genymobile/scrcpy/pull/2233>
PR #2268 <https://github.com/Genymobile/scrcpy/pull/2268>

Co-authored-by: Romain Vimont <rom@rom1v.com>
This commit is contained in:
Marco Martinelli
2021-04-04 00:10:44 +02:00
committed by Romain Vimont
parent 5af9d0ee0f
commit d39161f753
9 changed files with 480 additions and 2 deletions
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14
app/src/main.c
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@@ -6,6 +6,9 @@
#include <stdbool.h>
#include <unistd.h>
#include <libavformat/avformat.h>
#ifdef HAVE_V4L2
# include <libavdevice/avdevice.h>
#endif
#define SDL_MAIN_HANDLED // avoid link error on Linux Windows Subsystem
#include <SDL2/SDL.h>
@@ -28,6 +31,11 @@ print_version(void) {
fprintf(stderr, " - libavutil %d.%d.%d\n", LIBAVUTIL_VERSION_MAJOR,
LIBAVUTIL_VERSION_MINOR,
LIBAVUTIL_VERSION_MICRO);
#ifdef HAVE_V4L2
fprintf(stderr, " - libavdevice %d.%d.%d\n", LIBAVDEVICE_VERSION_MAJOR,
LIBAVDEVICE_VERSION_MINOR,
LIBAVDEVICE_VERSION_MICRO);
#endif
}
static SDL_LogPriority
@@ -90,6 +98,12 @@ main(int argc, char *argv[]) {
av_register_all();
#endif
#ifdef HAVE_V4L2
if (args.opts.v4l2_device) {
avdevice_register_all();
}
#endif
if (avformat_network_init()) {
return 1;
}