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Improve framerate counting

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The FPS counter was called only on new frames, so it could not print
values regularly, especially when there are very few FPS (when the
device surface does not change).

To the extreme, it was never able to display 0 fps.

Add a separate thread to print framerate every second.
This commit is contained in:
Romain Vimont
2019-06-07 16:55:19 +02:00
parent d104d3bda9
commit e2a272bf99
6 changed files with 207 additions and 52 deletions
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18
app/src/scrcpy.c
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@@ -29,6 +29,7 @@
static struct server server = SERVER_INITIALIZER;
static struct screen screen = SCREEN_INITIALIZER;
static struct fps_counter fps_counter;
static struct video_buffer video_buffer;
static struct stream stream;
static struct decoder decoder;
@@ -293,6 +294,7 @@ scrcpy(const struct scrcpy_options *options) {
bool ret = false;
bool fps_counter_initialized = false;
bool video_buffer_initialized = false;
bool file_handler_initialized = false;
bool recorder_initialized = false;
@@ -320,7 +322,13 @@ scrcpy(const struct scrcpy_options *options) {
struct decoder *dec = NULL;
if (options->display) {
if (!video_buffer_init(&video_buffer, options->render_expired_frames)) {
if (!fps_counter_init(&fps_counter)) {
goto end;
}
fps_counter_initialized = true;
if (!video_buffer_init(&video_buffer, &fps_counter,
options->render_expired_frames)) {
goto end;
}
video_buffer_initialized = true;
@@ -414,6 +422,9 @@ end:
if (file_handler_initialized) {
file_handler_stop(&file_handler);
}
if (fps_counter_initialized) {
fps_counter_interrupt(&fps_counter);
}
// shutdown the sockets and kill the server
server_stop(&server);
@@ -443,6 +454,11 @@ end:
video_buffer_destroy(&video_buffer);
}
if (fps_counter_initialized) {
fps_counter_join(&fps_counter);
fps_counter_destroy(&fps_counter);
}
if (options->show_touches) {
if (!show_touches_waited) {
// wait the process which enabled "show touches"