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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "DVDClock.h"
#include "DebugRenderer.h"
#include "cores/VideoPlayer/VideoRenderers/BaseRenderer.h"
#include "cores/VideoPlayer/VideoRenderers/OverlayRenderer.h"
#include "cores/VideoSettings.h"
#include "threads/CriticalSection.h"
#include "threads/Event.h"
#include "threads/SystemClock.h"
#include "utils/Geometry.h"
#include "windowing/Resolution.h"
#include <atomic>
#include <deque>
#include <list>
#include <map>
#include "PlatformDefs.h"
class CRenderCapture;
struct VideoPicture;
class CWinRenderer;
class CLinuxRenderer;
class CLinuxRendererGL;
class CLinuxRendererGLES;
class CRenderManager;
class IRenderMsg
{
friend CRenderManager;
public:
virtual ~IRenderMsg() = default;
protected:
virtual void VideoParamsChange() = 0;
virtual void GetDebugInfo(std::string &audio, std::string &video, std::string &general) = 0;
virtual void UpdateClockSync(bool enabled) = 0;
virtual void UpdateRenderInfo(CRenderInfo &info) = 0;
virtual void UpdateRenderBuffers(int queued, int discard, int free) = 0;
virtual void UpdateGuiRender(bool gui) = 0;
virtual void UpdateVideoRender(bool video) = 0;
virtual CVideoSettings GetVideoSettings() const = 0;
};
class CRenderManager
{
public:
CRenderManager(CDVDClock &clock, IRenderMsg *player);
virtual ~CRenderManager();
// Functions called from render thread
void GetVideoRect(CRect& source, CRect& dest, CRect& view) const;
float GetAspectRatio() const;
void FrameMove();
void FrameWait(std::chrono::milliseconds duration);
void Render(bool clear, DWORD flags = 0, DWORD alpha = 255, bool gui = true);
bool IsVideoLayer();
RESOLUTION GetResolution();
void UpdateResolution();
void TriggerUpdateResolution(float fps, int width, int height, std::string &stereomode);
void SetViewMode(int iViewMode);
void PreInit();
void UnInit();
bool Flush(bool wait, bool saveBuffers);
bool IsConfigured() const;
void ToggleDebug();
void ToggleDebugVideo();
/*!
* \brief Set the subtitle vertical position,
* it depends on current screen resolution
* \param value The subtitle position in pixels
* \param save If true, the value will be saved to resolution info
*/
void SetSubtitleVerticalPosition(const int value, bool save);
unsigned int AllocRenderCapture();
void ReleaseRenderCapture(unsigned int captureId);
void StartRenderCapture(unsigned int captureId, unsigned int width, unsigned int height, int flags);
bool RenderCaptureGetPixels(unsigned int captureId, unsigned int millis, uint8_t *buffer, unsigned int size);
// Functions called from GUI
bool Supports(ERENDERFEATURE feature) const;
bool Supports(ESCALINGMETHOD method) const;
int GetSkippedFrames() { return m_QueueSkip; }
bool Configure(const VideoPicture& picture, float fps, unsigned int orientation, int buffers = 0);
bool AddVideoPicture(const VideoPicture& picture, volatile std::atomic_bool& bStop, EINTERLACEMETHOD deintMethod, bool wait);
void AddOverlay(CDVDOverlay* o, double pts);
void ShowVideo(bool enable);
/**
* If player uses buffering it has to wait for a buffer before it calls
* AddVideoPicture and AddOverlay. It waits for max 50 ms before it returns -1
* in case no buffer is available. Player may call this in a loop and decides
* by itself when it wants to drop a frame.
*/
int WaitForBuffer(volatile std::atomic_bool& bStop,
std::chrono::milliseconds timeout = std::chrono::milliseconds(100));
/**
* Can be called by player for lateness detection. This is done best by
* looking at the end of the queue.
*/
bool GetStats(int &lateframes, double &pts, int &queued, int &discard);
/**
* Video player call this on flush in oder to discard any queued frames
*/
void DiscardBuffer();
void SetDelay(int delay) { m_videoDelay = delay; }
int GetDelay() { return m_videoDelay; }
void SetVideoSettings(const CVideoSettings& settings);
protected:
void PresentSingle(bool clear, DWORD flags, DWORD alpha);
void PresentFields(bool clear, DWORD flags, DWORD alpha);
void PresentBlend(bool clear, DWORD flags, DWORD alpha);
void PrepareNextRender();
bool IsPresenting();
bool IsGuiLayer();
bool Configure();
void CreateRenderer();
void DeleteRenderer();
void ManageCaptures();
void UpdateLatencyTweak();
void CheckEnableClockSync();
CBaseRenderer *m_pRenderer = nullptr;
OVERLAY::CRenderer m_overlays;
CDebugRenderer m_debugRenderer;
mutable CCriticalSection m_statelock;
CCriticalSection m_presentlock;
CCriticalSection m_datalock;
bool m_bTriggerUpdateResolution = false;
bool m_bRenderGUI = true;
bool m_renderedOverlay = false;
bool m_renderDebug = false;
bool m_renderDebugVideo = false;
XbmcThreads::EndTime<> m_debugTimer;
std::atomic_bool m_showVideo = {false};
enum EPRESENTSTEP
{
PRESENT_IDLE = 0
, PRESENT_FLIP
, PRESENT_FRAME
, PRESENT_FRAME2
, PRESENT_READY
};
enum EPRESENTMETHOD
{
PRESENT_METHOD_SINGLE = 0,
PRESENT_METHOD_BLEND,
PRESENT_METHOD_BOB,
};
enum ERENDERSTATE
{
STATE_UNCONFIGURED = 0,
STATE_CONFIGURING,
STATE_CONFIGURED,
};
ERENDERSTATE m_renderState = STATE_UNCONFIGURED;
CEvent m_stateEvent;
/// Display latency tweak value from AdvancedSettings for the current refresh rate
/// in milliseconds
double m_latencyTweak = 0.0;
/// Display latency updated in PrepareNextRender in DVD clock units, includes m_latencyTweak
double m_displayLatency = 0.0;
std::atomic_int m_videoDelay = {};
int m_QueueSize = 2;
int m_QueueSkip = 0;
struct SPresent
{
double pts;
EFIELDSYNC presentfield;
EPRESENTMETHOD presentmethod;
} m_Queue[NUM_BUFFERS]{};
std::deque<int> m_free;
std::deque<int> m_queued;
std::deque<int> m_discard;
std::unique_ptr<VideoPicture> m_pConfigPicture;
unsigned int m_width = 0;
unsigned int m_height = 0;
unsigned int m_dwidth = 0;
unsigned int m_dheight = 0;
float m_fps = 0.0;
unsigned int m_orientation = 0;
int m_NumberBuffers = 0;
std::string m_stereomode;
int m_lateframes = -1;
double m_presentpts = 0.0;
EPRESENTSTEP m_presentstep = PRESENT_IDLE;
XbmcThreads::EndTime<> m_presentTimer;
bool m_forceNext = false;
int m_presentsource = 0;
int m_presentsourcePast = -1;
XbmcThreads::ConditionVariable m_presentevent;
CEvent m_flushEvent;
CEvent m_initEvent;
CDVDClock &m_dvdClock;
IRenderMsg *m_playerPort;
struct CClockSync
{
void Reset();
double m_error;
int m_errCount;
double m_syncOffset;
bool m_enabled;
};
CClockSync m_clockSync;
void RenderCapture(CRenderCapture* capture);
void RemoveCaptures();
CCriticalSection m_captCritSect;
std::map<unsigned int, CRenderCapture*> m_captures;
static unsigned int m_nextCaptureId;
unsigned int m_captureWaitCounter = 0;
//set to true when adding something to m_captures, set to false when m_captures is made empty
//std::list::empty() isn't thread safe, using an extra bool will save a lock per render when no captures are requested
bool m_hasCaptures = false;
};
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