jordan/camera-streamer
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Active high/low res only when needed

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This commit is contained in:
Kamil Trzcinski 2022-10-25 16:55:33 +02:00
parent 6bdb33ff3a
commit 57fc761986
2 changed files with 45 additions and 15 deletions
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28
output/rtsp/rtsp.cc
View File

@ -106,13 +106,11 @@ public:
afterGetting(this); // we're preceded by a net read; no infinite recursion
}
private:
Boolean fHaveStartedReading;
Boolean fHadKeyFrame;
Boolean fRequestedKeyFrame;
Boolean fLowResMode;
public:
DynamicH264Stream *pNextStream;
};
@ -135,7 +133,6 @@ public:
return H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
}
private:
Boolean fLowResMode;
};
@ -207,7 +204,15 @@ static void *rtsp_server_thread(void *opaque)
static bool rtsp_h264_needs_buffer(buffer_lock_t *buf_lock)
{
return rtsp_streams != NULL;
bool needsBuffer = false;
pthread_mutex_lock(&rtsp_lock);
for (DynamicH264Stream *stream = rtsp_streams; stream; stream = stream->pNextStream) {
if (!stream->fLowResMode)
needsBuffer = true;
}
pthread_mutex_unlock(&rtsp_lock);
return needsBuffer;
}
static void rtsp_h264_capture(buffer_lock_t *buf_lock, buffer_t *buf)
@ -223,6 +228,19 @@ static void rtsp_h264_capture(buffer_lock_t *buf_lock, buffer_t *buf)
pthread_mutex_unlock(&rtsp_lock);
}
static bool rtsp_h264_low_res_needs_buffer(buffer_lock_t *buf_lock)
{
bool needsBuffer = false;
pthread_mutex_lock(&rtsp_lock);
for (DynamicH264Stream *stream = rtsp_streams; stream; stream = stream->pNextStream) {
if (stream->fLowResMode)
needsBuffer = true;
}
pthread_mutex_unlock(&rtsp_lock);
return needsBuffer;
}
static void rtsp_h264_low_res_capture(buffer_lock_t *buf_lock, buffer_t *buf)
{
pthread_mutex_lock(&rtsp_lock);
@ -264,7 +282,7 @@ extern "C" int rtsp_server(rtsp_options_t *options)
buffer_lock_register_check_streaming(&http_h264, rtsp_h264_needs_buffer);
buffer_lock_register_notify_buffer(&http_h264, rtsp_h264_capture);
buffer_lock_register_check_streaming(&http_h264_lowres, rtsp_h264_needs_buffer);
buffer_lock_register_check_streaming(&http_h264_lowres, rtsp_h264_low_res_needs_buffer);
buffer_lock_register_notify_buffer(&http_h264_lowres, rtsp_h264_low_res_capture);
pthread_create(&rtsp_thread, NULL, rtsp_server_thread, env);

32
output/webrtc/webrtc.cc
View File

@ -91,12 +91,14 @@ public:
free(name);
}
bool wantsFrame() const
bool wantsFrame(bool low_res) const
{
if (!pc || !video)
return false;
if (pc->state() != rtc::PeerConnection::State::Connected)
return false;
if (use_low_res != low_res)
return false;
return video->wantsFrame();
}
@ -230,7 +232,9 @@ static bool webrtc_h264_needs_buffer(buffer_lock_t *buf_lock)
{
std::unique_lock lk(webrtc_clients_lock);
for (auto client : webrtc_clients) {
if (client->wantsFrame())
if (client->wantsFrame(false))
return true;
if (!http_h264_lowres.buf_list && client->wantsFrame(true))
return true;
}
@ -241,21 +245,29 @@ static void webrtc_h264_capture(buffer_lock_t *buf_lock, buffer_t *buf)
{
std::unique_lock lk(webrtc_clients_lock);
for (auto client : webrtc_clients) {
if (client->wantsFrame()) {
if (client->wantsFrame(false))
client->pushFrame(buf, false);
if (!http_h264_lowres.buf_list) {
client->pushFrame(buf, true);
}
}
if (!http_h264_lowres.buf_list && client->wantsFrame(true))
client->pushFrame(buf, true);
}
}
static bool webrtc_h264_low_res_needs_buffer(buffer_lock_t *buf_lock)
{
std::unique_lock lk(webrtc_clients_lock);
for (auto client : webrtc_clients) {
if (client->wantsFrame(true))
return true;
}
return false;
}
static void webrtc_h264_low_res_capture(buffer_lock_t *buf_lock, buffer_t *buf)
{
std::unique_lock lk(webrtc_clients_lock);
for (auto client : webrtc_clients) {
if (client->wantsFrame()) {
if (client->wantsFrame(true)) {
client->pushFrame(buf, true);
}
}
@ -408,7 +420,7 @@ extern "C" void webrtc_server()
{
buffer_lock_register_check_streaming(&http_h264, webrtc_h264_needs_buffer);
buffer_lock_register_notify_buffer(&http_h264, webrtc_h264_capture);
buffer_lock_register_check_streaming(&http_h264_lowres, webrtc_h264_needs_buffer);
buffer_lock_register_check_streaming(&http_h264_lowres, webrtc_h264_low_res_needs_buffer);
buffer_lock_register_notify_buffer(&http_h264_lowres, webrtc_h264_low_res_capture);
}