pei/scrcpy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add support for v4l2loopback

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

35
app/src/scrcpy.c
View File

@@ -27,6 +27,9 @@
#include "tiny_xpm.h"
#include "util/log.h"
#include "util/net.h"
#ifdef HAVE_V4L2
# include "v4l2_sink.h"
#endif
static struct server server;
static struct screen screen;
@@ -34,6 +37,9 @@ static struct fps_counter fps_counter;
static struct stream stream;
static struct decoder decoder;
static struct recorder recorder;
#ifdef HAVE_V4L2
static struct sc_v4l2_sink v4l2_sink;
#endif
static struct controller controller;
static struct file_handler file_handler;
@@ -247,6 +253,9 @@ scrcpy(const struct scrcpy_options *options) {
bool fps_counter_initialized = false;
bool file_handler_initialized = false;
bool recorder_initialized = false;
#ifdef HAVE_V4L2
bool v4l2_sink_initialized = false;
#endif
bool stream_started = false;
bool controller_initialized = false;
bool controller_started = false;
@@ -295,7 +304,6 @@ scrcpy(const struct scrcpy_options *options) {
goto end;
}
struct decoder *dec = NULL;
if (options->display) {
if (!fps_counter_init(&fps_counter)) {
goto end;
@@ -309,7 +317,14 @@ scrcpy(const struct scrcpy_options *options) {
}
file_handler_initialized = true;
}
}
struct decoder *dec = NULL;
bool needs_decoder = options->display;
#ifdef HAVE_V4L2
needs_decoder |= !!options->v4l2_device;
#endif
if (needs_decoder) {
decoder_init(&decoder);
dec = &decoder;
}
@@ -386,6 +401,18 @@ scrcpy(const struct scrcpy_options *options) {
}
}
#ifdef HAVE_V4L2
if (options->v4l2_device) {
if (!sc_v4l2_sink_init(&v4l2_sink, options->v4l2_device, frame_size)) {
goto end;
}
decoder_add_sink(&decoder, &v4l2_sink.frame_sink);
v4l2_sink_initialized = true;
}
#endif
// now we consumed the header values, the socket receives the video stream
// start the stream
if (!stream_start(&stream)) {
@@ -426,6 +453,12 @@ end:
stream_join(&stream);
}
#ifdef HAVE_V4L2
if (v4l2_sink_initialized) {
sc_v4l2_sink_destroy(&v4l2_sink);
}
#endif
// Destroy the screen only after the stream is guaranteed to be finished,
// because otherwise the screen could receive new frames after destruction
if (screen_initialized) {