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Add runtime option to render expired frames

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Replace the compilation flag SKIP_FRAMES by a runtime flag to force
rendering of expired frames. By default, the expired frames are skipped.
This commit is contained in:
Romain Vimont
2019-06-05 19:02:50 +02:00
parent a143b8b07a
commit ebccb9f6cc
9 changed files with 67 additions and 61 deletions
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16
app/src/main.c
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@@ -29,6 +29,7 @@ struct args {
uint32_t bit_rate;
bool always_on_top;
bool turn_screen_off;
bool render_expired_frames;
};
static void usage(const char *arg0) {
@@ -79,6 +80,12 @@ static void usage(const char *arg0) {
" The format is determined by the -F/--record-format option if\n"
" set, or by the file extension (.mp4 or .mkv).\n"
"\n"
" --render-expired-frames\n"
" By default, to minimize latency, scrcpy always renders the\n"
" last available decoded frame, and drops any previous ones.\n"
" This flag forces to render all frames, at a cost of a\n"
" possible increased latency.\n"
"\n"
" -s, --serial\n"
" The device serial number. Mandatory only if several devices\n"
" are connected to adb.\n"
@@ -287,6 +294,8 @@ guess_record_format(const char *filename) {
return 0;
}
#define OPT_RENDER_EXPIRED_FRAMES 1000
static bool
parse_args(struct args *args, int argc, char *argv[]) {
static const struct option long_options[] = {
@@ -301,6 +310,8 @@ parse_args(struct args *args, int argc, char *argv[]) {
{"port", required_argument, NULL, 'p'},
{"record", required_argument, NULL, 'r'},
{"record-format", required_argument, NULL, 'f'},
{"render-expired-frames", no_argument, NULL,
OPT_RENDER_EXPIRED_FRAMES},
{"serial", required_argument, NULL, 's'},
{"show-touches", no_argument, NULL, 't'},
{"turn-screen-off", no_argument, NULL, 'S'},
@@ -364,6 +375,9 @@ parse_args(struct args *args, int argc, char *argv[]) {
case 'v':
args->version = true;
break;
case OPT_RENDER_EXPIRED_FRAMES:
args->render_expired_frames = true;
break;
default:
// getopt prints the error message on stderr
return false;
@@ -426,6 +440,7 @@ main(int argc, char *argv[]) {
.no_control = false,
.no_display = false,
.turn_screen_off = false,
.render_expired_frames = false,
};
if (!parse_args(&args, argc, argv)) {
return 1;
@@ -467,6 +482,7 @@ main(int argc, char *argv[]) {
.control = !args.no_control,
.display = !args.no_display,
.turn_screen_off = args.turn_screen_off,
.render_expired_frames = args.render_expired_frames,
};
int res = scrcpy(&options) ? 0 : 1;