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spout cap.: report nosig + rate-limit

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- report if no signal was detected (perhaps no server)

- rate limit to 100 ms because the ReceiveImage() returns immediately
false, effectively busy waiting
This commit is contained in:
Martin Pulec
2023-11-08 14:04:33 +01:00
parent 202ea81a91
commit ecedf7eadd
1 changed files with 6 additions and 1 deletions
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7
src/video_capture/spout.cpp
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@@ -88,7 +88,7 @@ struct state_vidcap_spout {
static void usage()
{
col() << "Usage:\n";
col() << "\t" << TBOLD(TRED("-t spout") << "[:name=<server_name>>][:fps=<fps>][:codec=<codec>]") << "\n";
col() << "\t" << TBOLD(TRED("-t spout") << "[:name=<server_name>][:fps=<fps>][:codec=<codec>]") << "\n";
col() << "where\n";
col() << "\t" << TBOLD("name") << "\n\t\tSpout server name\n";
col() << "\t" << TBOLD("fps") << "\n\t\tFPS count (default: " << DEFAULT_FPS << ")\n";
@@ -213,6 +213,9 @@ static void vidcap_spout_done(void *state)
static struct video_frame *vidcap_spout_grab(void *state, struct audio_frame **audio)
{
enum {
MS100_IN_US = 100 * 1000,
};
state_vidcap_spout *s = (state_vidcap_spout *) state;
gl_context_make_current(&s->glc);
@@ -223,6 +226,8 @@ static struct video_frame *vidcap_spout_grab(void *state, struct audio_frame **a
if (!ret) {
vf_free(out);
gl_context_make_current(NULL);
MSG(WARNING, "No signal detected...\n");
usleep(MS100_IN_US);
return NULL;
}
if (s->spout_state->IsUpdated()) {