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screencopy: fixup timing issues with frame re-scheduling 

ref #120
This commit is contained in:
Vaxry 2024-05-02 16:01:58 +01:00
parent 0fe840441e
commit 12af841341
4 changed files with 34 additions and 17 deletions
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6
src/core/PortalManager.cpp
View File

@ -41,7 +41,8 @@ static void handleOutputDone(void* data, struct wl_output* wl_output) {
}
static void handleOutputMode(void* data, struct wl_output* wl_output, uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
;
const auto POUTPUT = (SOutput*)data;
POUTPUT->refreshRate = std::round(refresh / 1000.0);
}
static void handleOutputScale(void* data, struct wl_output* wl_output, int32_t factor) {
@ -422,7 +423,7 @@ void CPortalManager::startEventLoop() {
// wait for being awakened
std::unique_lock lk(m_sEventLoopInternals.loopMutex);
if (m_sEventLoopInternals.shouldProcess == false) // avoid a lock if a thread managed to request something already since we .unlock()ed
m_sEventLoopInternals.loopSignal.wait(lk, [this] { return m_sEventLoopInternals.shouldProcess == true; }); // wait for events
m_sEventLoopInternals.loopSignal.wait_for(lk, std::chrono::seconds(5), [this] { return m_sEventLoopInternals.shouldProcess == true; }); // wait for events
std::lock_guard<std::mutex> lg(m_sEventLoopInternals.loopRequestMutex);
@ -464,7 +465,6 @@ void CPortalManager::startEventLoop() {
}
}
// finalize wayland dispatching. Dispatch pending on the queue
int ret = 0;
do {
ret = wl_display_dispatch_pending(m_sWaylandConnection.display);

7
src/core/PortalManager.hpp
View File

@ -19,9 +19,10 @@ struct pw_loop;
struct SOutput {
std::string name;
wl_output* output = nullptr;
uint32_t id = 0;
wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
wl_output* output = nullptr;
uint32_t id = 0;
float refreshRate = 60.0;
wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
};
struct SDMABUFModifier {

16
src/portals/Screencopy.cpp
View File

@ -488,6 +488,11 @@ void CScreencopyPortal::onSelectSources(sdbus::MethodCall& call) {
if (SHAREDATA.type == TYPE_WINDOW && !m_sState.toplevel) {
Debug::log(ERR, "[screencopy] Requested type window for no toplevel export protocol!");
SHAREDATA.type = TYPE_INVALID;
} else if (SHAREDATA.type == TYPE_OUTPUT || SHAREDATA.type == TYPE_GEOMETRY) {
const auto POUTPUT = g_pPortalManager->getOutputFromName(SHAREDATA.output);
if (POUTPUT)
PSESSION->sharingData.framerate = POUTPUT->refreshRate;
}
PSESSION->selection = SHAREDATA;
@ -670,7 +675,15 @@ void CScreencopyPortal::queueNextShareFrame(CScreencopyPortal::SSession* pSessio
if (PSTREAM && !PSTREAM->streamState)
return;
g_pPortalManager->addTimer({1000.0 / pSession->sharingData.framerate, [pSession]() { g_pPortalManager->m_sPortals.screencopy->startFrameCopy(pSession); }});
// calculate frame delta and queue next frame
const auto FRAMETOOKMS = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now() - pSession->sharingData.begunFrame).count() / 1000.0;
const auto MSTILNEXTREFRESH = 1000.0 / (pSession->sharingData.framerate) - FRAMETOOKMS;
pSession->sharingData.begunFrame = std::chrono::system_clock::now();
Debug::log(TRACE, "[screencopy] set fps {}, ms till next refresh {:.2f}, estimated actual fps: {:.2f}", pSession->sharingData.framerate, MSTILNEXTREFRESH,
std::clamp(1000.0 / FRAMETOOKMS, 1.0, (double)pSession->sharingData.framerate));
g_pPortalManager->addTimer({std::clamp(MSTILNEXTREFRESH, 1.0, 1000.0), [pSession]() { g_pPortalManager->m_sPortals.screencopy->startFrameCopy(pSession); }});
}
bool CScreencopyPortal::hasToplevelCapabilities() {
return m_sState.toplevel;
@ -804,6 +817,7 @@ static void pwStreamParamChanged(void* data, uint32_t id, const spa_pod* param)
spa_pod_dynamic_builder_init(&dynBuilder[2], params_buffer[2], sizeof(params_buffer[2]), 2048);
spa_format_video_raw_parse(param, &PSTREAM->pwVideoInfo);
Debug::log(TRACE, "[pw] Framerate: {}/{}", PSTREAM->pwVideoInfo.max_framerate.num, PSTREAM->pwVideoInfo.max_framerate.denom);
PSTREAM->pSession->sharingData.framerate = PSTREAM->pwVideoInfo.max_framerate.num / PSTREAM->pwVideoInfo.max_framerate.denom;
uint32_t data_type = 1 << SPA_DATA_MemFd;

22
src/portals/Screencopy.hpp
View File

@ -6,6 +6,7 @@
#include "../shared/ScreencopyShared.hpp"
#include <gbm.h>
#include "../shared/Session.hpp"
#include <chrono>
enum cursorModes {
HIDDEN = 1,
@ -69,16 +70,17 @@ class CScreencopyPortal {
SSelectionData selection;
struct {
bool active = false;
zwlr_screencopy_frame_v1* frameCallback = nullptr;
hyprland_toplevel_export_frame_v1* windowFrameCallback = nullptr;
frameStatus status = FRAME_NONE;
uint64_t tvSec = 0;
uint32_t tvNsec = 0;
uint64_t tvTimestampNs = 0;
uint32_t nodeID = 0;
uint32_t framerate = 60;
wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
bool active = false;
zwlr_screencopy_frame_v1* frameCallback = nullptr;
hyprland_toplevel_export_frame_v1* windowFrameCallback = nullptr;
frameStatus status = FRAME_NONE;
uint64_t tvSec = 0;
uint32_t tvNsec = 0;
uint64_t tvTimestampNs = 0;
uint32_t nodeID = 0;
uint32_t framerate = 60;
wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
std::chrono::system_clock::time_point begunFrame = std::chrono::system_clock::now();
struct {
uint32_t w = 0, h = 0, size = 0, stride = 0, fmt = 0;