mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-28 23:06:24 +02:00
1609b8fdb9
Fixed a file handle leak. Bumped revision to 0.74b (linux). Reworked the build system to remove uneeded dependencies (linux). Removed use of PATHSEPARATOR since Windows can use / too.
860 lines
18 KiB
C++
860 lines
18 KiB
C++
#include "../stdafx.h"
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#include <iostream>
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#include "CSndHandler.h"
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#include "CVideoHandler.h"
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#include <SDL.h>
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#include "../client/SDL_Extensions.h"
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//reads events and returns true on key down
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static bool keyDown()
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{
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SDL_Event ev;
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while(SDL_PollEvent(&ev))
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{
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if(ev.type == SDL_KEYDOWN || ev.type == SDL_MOUSEBUTTONDOWN)
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return true;
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}
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return false;
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}
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#ifdef _WIN32
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#include <boost/algorithm/string/predicate.hpp>
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void checkForError(bool throwing = true)
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{
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#ifdef _WIN32
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int error = GetLastError();
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if(!error)
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return;
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tlog1 << "Error " << error << " encountered!\n";
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std::string msg;
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char* pTemp = NULL;
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FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, error, MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ), (LPSTR)&pTemp, 1, NULL );
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tlog1 << "Error: " << pTemp << std::endl;
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msg = pTemp;
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LocalFree( pTemp );
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pTemp = NULL;
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if(throwing)
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throw msg;
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#endif
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}
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void blitBuffer(char *buffer, int x, int y, int w, int h, SDL_Surface *dst)
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{
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const int bpp = dst->format->BytesPerPixel;
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char *dest;
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for(int i = h; i > 0; i--)
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{
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dest = (char*)dst->pixels + dst->pitch*(y+h-i) + x*dst->format->BytesPerPixel;
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memcpy(dest, buffer, bpp*w);
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buffer += bpp*w;
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}
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}
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void DLLHandler::Instantiate(const char *filename)
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{
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name = filename;
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#ifdef _WIN32
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dll = LoadLibraryA(filename);
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if(!dll)
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{
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tlog1 << "Failed loading " << filename << std::endl;
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checkForError();
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}
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#else
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dll = dlopen(filename,RTLD_LOCAL | RTLD_LAZY);
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#endif
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}
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void *DLLHandler::FindAddress(const char *symbol)
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{
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void *ret;
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#ifdef _WIN32
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ret = (void*) GetProcAddress(dll,symbol);
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if(!ret)
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{
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tlog1 << "Failed to find " << symbol << " in " << name << std::endl;
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checkForError();
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}
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#else
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ret = (void *)dlsym(dll, symbol);
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#endif
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return ret;
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}
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DLLHandler::~DLLHandler()
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{
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if(dll)
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{
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#ifdef _WIN32
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if(!FreeLibrary(dll))
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{
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tlog1 << "Failed to free " << name << std::endl;
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checkForError();
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}
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#else
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dlclose(dll);
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#endif
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}
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}
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DLLHandler::DLLHandler()
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{
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dll = NULL;
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}
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CBIKHandler::CBIKHandler()
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{
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Instantiate("BINKW32.DLL");
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//binkGetError = FindAddress("_BinkGetError@0");
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binkOpen = (BinkOpen)FindAddress("_BinkOpen@8");
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binkSetSoundSystem = (BinkSetSoundSystem)FindAddress("_BinkSetSoundSystem@8");
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//getPalette = (BinkGetPalette)FindAddress("_BinkGetPalette@4");
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binkNextFrame = (BinkNextFrame)FindAddress("_BinkNextFrame@4");
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binkDoFrame = (BinkDoFrame)FindAddress("_BinkDoFrame@4");
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binkCopyToBuffer = (BinkCopyToBuffer)FindAddress("_BinkCopyToBuffer@28");
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binkWait = (BinkWait)FindAddress("_BinkWait@4");
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binkClose = (BinkClose)FindAddress("_BinkClose@4");
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hBinkFile = NULL;
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hBink = NULL;
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buffer = NULL;
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bufferSize = 0;
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}
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void CBIKHandler::open(std::string name)
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{
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hBinkFile = CreateFileA
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(
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name.c_str(), // file name
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GENERIC_READ, // access mode
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FILE_SHARE_READ, // share mode
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NULL, // Security Descriptor
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OPEN_EXISTING, // how to create
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FILE_ATTRIBUTE_NORMAL,//FILE_FLAG_SEQUENTIAL_SCAN, // file attributes
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0 // handle to template file
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);
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if(hBinkFile == INVALID_HANDLE_VALUE)
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{
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tlog1 << "BIK handler: failed to open " << name << std::endl;
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checkForError();
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return;
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}
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void *waveout = GetProcAddress(dll,"_BinkOpenWaveOut@4");
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if(waveout)
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binkSetSoundSystem(waveout,NULL);
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hBink = binkOpen(hBinkFile, 0x8a800000);
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allocBuffer();
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}
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void CBIKHandler::show( int x, int y, SDL_Surface *dst, bool update )
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{
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const int w = hBink->width,
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h = hBink->height,
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Bpp = dst->format->BytesPerPixel;
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int mode = -1;
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//screen color depth might have changed... (eg. because F4)
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if(bufferSize != w * h * Bpp)
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{
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freeBuffer();
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allocBuffer(Bpp);
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}
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switch(Bpp)
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{
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case 3:
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mode = 0;
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break;
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case 4:
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mode = 1;
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break;
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default:
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return; //not supported screen depth
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}
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binkDoFrame(hBink);
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binkCopyToBuffer(hBink, buffer, w*Bpp, h, 0, 0, mode);
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blitBuffer(buffer, x, y, w, h, dst);
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if(update)
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SDL_UpdateRect(dst, x, y, w, h);
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}
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void CBIKHandler::nextFrame()
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{
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binkNextFrame(hBink);
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}
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void CBIKHandler::close()
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{
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binkClose(hBink);
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hBink = NULL;
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CloseHandle(hBinkFile);
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hBinkFile = NULL;
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delete [] buffer;
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buffer = NULL;
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bufferSize = 0;
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}
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bool CBIKHandler::wait()
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{
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return binkWait(hBink);
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}
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int CBIKHandler::curFrame() const
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{
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return hBink->currentFrame;
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}
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int CBIKHandler::frameCount() const
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{
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return hBink->frameCount;
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}
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void CBIKHandler::redraw( int x, int y, SDL_Surface *dst, bool update )
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{
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int w = hBink->width, h = hBink->height;
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blitBuffer(buffer, x, y, w, h, dst);
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if(update)
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SDL_UpdateRect(dst, x, y, w, h);
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}
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void CBIKHandler::allocBuffer(int Bpp)
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{
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if(!Bpp) Bpp = screen->format->BytesPerPixel;
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bufferSize = hBink->width * hBink->height * Bpp;
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buffer = new char[bufferSize];
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}
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void CBIKHandler::freeBuffer()
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{
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delete [] buffer;
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buffer = NULL;
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bufferSize = 0;
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}
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void CSmackPlayer::nextFrame()
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{
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ptrSmackNextFrame(data);
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}
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bool CSmackPlayer::wait()
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{
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return ptrSmackWait(data);
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}
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CSmackPlayer::CSmackPlayer()
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{
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Instantiate("smackw32.dll");
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ptrSmackNextFrame = (SmackNextFrame)FindAddress("_SmackNextFrame@4");
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ptrSmackWait = (SmackWait)FindAddress("_SmackWait@4");
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ptrSmackDoFrame = (SmackDoFrame)FindAddress("_SmackDoFrame@4");
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ptrSmackToBuffer = (SmackToBuffer)FindAddress("_SmackToBuffer@28");
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ptrSmackOpen = (SmackOpen)FindAddress("_SmackOpen@12");
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ptrSmackSoundOnOff = (SmackSoundOnOff)FindAddress("_SmackSoundOnOff@8");
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ptrSmackClose = (SmackClose)FindAddress("_SmackClose@4");
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}
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CSmackPlayer::~CSmackPlayer()
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{
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if(data)
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close();
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}
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void CSmackPlayer::close()
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{
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ptrSmackClose(data);
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data = NULL;
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}
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void CSmackPlayer::open( std::string name )
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{
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Uint32 flags[2] = {0xff400, 0xfe400};
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data = ptrSmackOpen( (void*)name.c_str(), flags[1], -1);
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if (!data)
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{
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tlog1 << "Smack cannot open " << name << std::endl;
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return;
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}
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buffer = new char[data->width*data->height*2];
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buf = buffer+data->width*(data->height-1)*2; // adjust pointer position for later use by 'SmackToBuffer'
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}
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void CSmackPlayer::show( int x, int y, SDL_Surface *dst, bool update)
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{
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int w = data->width, h = data->height;
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int stripe = (-w*2) & (~3);
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//put frame to the buffer
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ptrSmackToBuffer(data, 0, 0, stripe, w, buf, 0x80000000);
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ptrSmackDoFrame(data);
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redraw(x, y, dst, update);
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}
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int CSmackPlayer::curFrame() const
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{
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return data->currentFrame;
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}
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int CSmackPlayer::frameCount() const
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{
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return data->frameCount;
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}
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void CSmackPlayer::redraw( int x, int y, SDL_Surface *dst, bool update )
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{
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int w = data->width, h = data->height;
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/* Lock the screen for direct access to the pixels */
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if ( SDL_MUSTLOCK(dst) )
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{
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if ( SDL_LockSurface(dst) < 0 )
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{
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fprintf(stderr, "Can't lock screen: %s\n", SDL_GetError());
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return;
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}
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}
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// draw the frame
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Uint16* addr = (Uint16*) (buffer+w*(h-1)*2-2);
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for( int j=0; j<h-1; j++) // why -1 ?
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{
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for ( int i=w-1; i>=0; i--)
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{
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Uint16 pixel = *addr;
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Uint8 *p = (Uint8 *)dst->pixels + (j+y) * dst->pitch + (i + x) * dst->format->BytesPerPixel;
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p[2] = ((pixel & 0x7c00) >> 10) * 8;
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p[1] = ((pixel & 0x3e0) >> 5) * 8;
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p[0] = ((pixel & 0x1F)) * 8;
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addr--;
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}
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}
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if ( SDL_MUSTLOCK(dst) )
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{
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SDL_UnlockSurface(dst);
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}
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if(update)
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SDL_UpdateRect(dst, x, y, w, h);
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}
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CVideoPlayer::CVideoPlayer()
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{
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vidh = new CVidHandler(std::string(DATA_DIR "/Data/VIDEO.VID"));
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current = NULL;
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}
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CVideoPlayer::~CVideoPlayer()
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{
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delete vidh;
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}
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void CVideoPlayer::open(std::string name)
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{
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if(boost::algorithm::ends_with(name, ".BIK"))
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current = &bikPlayer;
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else
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current = &smkPlayer;
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fname = name;
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first = true;
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//extract video from video.vid so we can play it
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vidh->extract(name, name);
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current->open(name);
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}
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void CVideoPlayer::close()
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{
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if(!current)
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{
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tlog2 << "Closing no opened player...?" << std::endl;
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return;
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}
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current->close();
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current = NULL;
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if(!DeleteFileA(fname.c_str()))
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{
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tlog1 << "Cannot remove temporarily extracted video file: " << fname;
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checkForError(false);
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}
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fname.clear();
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}
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void CVideoPlayer::nextFrame()
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{
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current->nextFrame();
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}
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void CVideoPlayer::show(int x, int y, SDL_Surface *dst, bool update)
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{
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current->show(x, y, dst, update);
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}
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bool CVideoPlayer::wait()
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{
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return current->wait();
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}
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int CVideoPlayer::curFrame() const
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{
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return current->curFrame();
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}
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int CVideoPlayer::frameCount() const
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{
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return current->frameCount();
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}
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bool CVideoPlayer::openAndPlayVideo(std::string name, int x, int y, SDL_Surface *dst, bool stopOnKey)
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{
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open(name);
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bool ret = playVideo(x, y, dst, stopOnKey);
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close();
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return ret;
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}
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void CVideoPlayer::update( int x, int y, SDL_Surface *dst, bool forceRedraw, bool update )
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{
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bool w = false;
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if(!first)
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{
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w = wait(); //check if should keep current frame
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if(!w)
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nextFrame();
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}
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else
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{
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first = false;
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}
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if(!w)
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{
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show(x,y,dst,update);
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}
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else if (forceRedraw)
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{
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redraw(x, y, dst, update);
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}
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}
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void CVideoPlayer::redraw( int x, int y, SDL_Surface *dst, bool update )
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{
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current->redraw(x, y, dst, update);
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}
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bool CVideoPlayer::playVideo(int x, int y, SDL_Surface *dst, bool stopOnKey)
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{
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int frame = 0;
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while(frame < frameCount()) //play all frames
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{
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if(stopOnKey && keyDown())
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return false;
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if(!wait())
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{
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show(x, y, dst);
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nextFrame();
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frame++;
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}
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SDL_Delay(20);
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}
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return true;
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}
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#else
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#include <../client/SDL_framerate.h>
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libswscale/swscale.h>
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}
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static const char *protocol_name = "lod";
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// Open a pseudo file. Name is something like 'lod:0x56432ab6c43df8fe'
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static int lod_open(URLContext *context, const char *filename, int flags)
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{
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CVideoPlayer *video;
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// Retrieve pointer to CVideoPlayer object
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filename += strlen(protocol_name) + 1;
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video = (CVideoPlayer *)(uintptr_t)strtoull(filename, NULL, 16);
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// TODO: check flags ?
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context->priv_data = video;
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return 0;
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}
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static int lod_close(URLContext* h)
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{
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return 0;
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}
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// Define a set of functions to read data
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static int lod_read(URLContext *context, unsigned char *buf, int size)
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{
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CVideoPlayer *video = (CVideoPlayer *)context->priv_data;
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amin(size, video->length - video->offset);
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if (size < 0)
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return -1;
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// TODO: can we avoid that copy ?
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memcpy(buf, video->data + video->offset, size);
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video->offset += size;
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return size;
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}
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static int64_t lod_seek(URLContext *context, int64_t pos, int whence)
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{
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CVideoPlayer *video = (CVideoPlayer *)context->priv_data;
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// Not sure what the parameter whence is. Assuming it always
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// indicates an absolute value;
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video->offset = pos;
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amin(video->offset, video->length);
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return -1;//video->offset;
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}
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static URLProtocol lod_protocol = {
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protocol_name,
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lod_open,
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lod_read,
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NULL, // no write
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lod_seek,
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lod_close
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};
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CVideoPlayer::CVideoPlayer()
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{
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format = NULL;
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frame = NULL;
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codec = NULL;
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sws = NULL;
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overlay = NULL;
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dest = NULL;
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// Register codecs. TODO: May be overkill. Should call a
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// combination of av_register_input_format() /
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// av_register_output_format() / av_register_protocol() instead.
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av_register_all();
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// Register our protocol 'lod' so we can directly read from mmaped memory
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av_register_protocol(&lod_protocol);
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vidh = new CVidHandler(std::string(DATA_DIR "/Data/VIDEO.VID"));
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}
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// loop = to loop through the video
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// useOverlay = directly write to the screen.
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bool CVideoPlayer::open(std::string fname, bool loop, bool useOverlay)
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{
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close();
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offset = 0;
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refreshWait = 3;
|
|
refreshCount = -1;
|
|
doLoop = loop;
|
|
|
|
data = vidh->extract(fname, length);
|
|
|
|
if (data) {
|
|
// Create our URL name with the 'lod' protocol as a prefix and a
|
|
// back pointer to our object. Should be 32 and 64 bits compatible.
|
|
char url[100];
|
|
sprintf(url, "%s:0x%016llx", protocol_name, (unsigned long long)(uintptr_t)this);
|
|
|
|
if (av_open_input_file(&format, url, NULL, 0, NULL)!=0) {
|
|
return false;
|
|
}
|
|
} else {
|
|
// File is not in a container
|
|
if (av_open_input_file(&format, (DATA_DIR "/Data/video/" + fname).c_str(), NULL, 0, NULL)!=0) {
|
|
// tlog1 << "Video file not found: " DATA_DIR "/Data/video/" + fname << std::endl;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Retrieve stream information
|
|
if (av_find_stream_info(format) < 0)
|
|
return false;
|
|
|
|
// Find the first video stream
|
|
stream = -1;
|
|
for(unsigned int i=0; i<format->nb_streams; i++) {
|
|
if (format->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO) {
|
|
stream = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (stream < 0)
|
|
// No video stream in that file
|
|
return false;
|
|
|
|
// Get a pointer to the codec context for the video stream
|
|
codecContext = format->streams[stream]->codec;
|
|
|
|
// Find the decoder for the video stream
|
|
codec = avcodec_find_decoder(codecContext->codec_id);
|
|
|
|
if (codec == NULL) {
|
|
// Unsupported codec
|
|
return false;
|
|
}
|
|
|
|
// Open codec
|
|
if (avcodec_open(codecContext, codec) <0 ) {
|
|
// Could not open codec
|
|
codec = NULL;
|
|
return false;
|
|
}
|
|
|
|
// Allocate video frame
|
|
frame = avcodec_alloc_frame();
|
|
|
|
// Allocate a place to put our YUV image on that screen
|
|
if (useOverlay) {
|
|
overlay = SDL_CreateYUVOverlay(codecContext->width, codecContext->height,
|
|
SDL_YV12_OVERLAY, screen);
|
|
} else {
|
|
dest = CSDL_Ext::newSurface(codecContext->width, codecContext->height);
|
|
destRect.x = destRect.y = 0;
|
|
destRect.w = codecContext->width;
|
|
destRect.h = codecContext->height;
|
|
}
|
|
|
|
if (overlay == NULL && dest == NULL)
|
|
return false;
|
|
|
|
// Convert the image into YUV format that SDL uses
|
|
if (overlay) {
|
|
sws = sws_getContext(codecContext->width, codecContext->height,
|
|
codecContext->pix_fmt, codecContext->width, codecContext->height,
|
|
PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
|
|
} else {
|
|
sws = sws_getContext(codecContext->width, codecContext->height,
|
|
codecContext->pix_fmt, codecContext->width, codecContext->height,
|
|
PIX_FMT_RGB32, SWS_BICUBIC, NULL, NULL, NULL);
|
|
}
|
|
|
|
if (sws == NULL)
|
|
return false;
|
|
|
|
pos.w = codecContext->width;
|
|
pos.h = codecContext->height;
|
|
|
|
return true;
|
|
}
|
|
|
|
// Read the next frame. Return false on error/end of file.
|
|
bool CVideoPlayer::nextFrame()
|
|
{
|
|
AVPacket packet;
|
|
int frameFinished = 0;
|
|
bool gotError = false;
|
|
|
|
if (sws == NULL)
|
|
return false;
|
|
|
|
while(!frameFinished) {
|
|
|
|
int ret = av_read_frame(format, &packet);
|
|
if (ret < 0) {
|
|
// Error. It's probably an end of file.
|
|
if (doLoop && !gotError) {
|
|
// Rewind
|
|
if (av_seek_frame(format, stream, 0, 0) < 0)
|
|
break;
|
|
gotError = true;
|
|
} else {
|
|
break;
|
|
}
|
|
} else {
|
|
// Is this a packet from the video stream?
|
|
if (packet.stream_index == stream) {
|
|
// Decode video frame
|
|
avcodec_decode_video(codecContext, frame, &frameFinished,
|
|
packet.data, packet.size);
|
|
|
|
// Did we get a video frame?
|
|
if (frameFinished) {
|
|
AVPicture pict;
|
|
|
|
if (overlay) {
|
|
SDL_LockYUVOverlay(overlay);
|
|
|
|
pict.data[0] = overlay->pixels[0];
|
|
pict.data[1] = overlay->pixels[2];
|
|
pict.data[2] = overlay->pixels[1];
|
|
|
|
pict.linesize[0] = overlay->pitches[0];
|
|
pict.linesize[1] = overlay->pitches[2];
|
|
pict.linesize[2] = overlay->pitches[1];
|
|
|
|
sws_scale(sws, frame->data, frame->linesize,
|
|
0, codecContext->height, pict.data, pict.linesize);
|
|
|
|
SDL_UnlockYUVOverlay(overlay);
|
|
} else {
|
|
pict.data[0] = (uint8_t *)dest->pixels;
|
|
pict.linesize[0] = dest->pitch;
|
|
|
|
sws_scale(sws, frame->data, frame->linesize,
|
|
0, codecContext->height, pict.data, pict.linesize);
|
|
}
|
|
}
|
|
}
|
|
|
|
av_free_packet(&packet);
|
|
}
|
|
}
|
|
|
|
return frameFinished != 0;
|
|
}
|
|
|
|
void CVideoPlayer::show( int x, int y, SDL_Surface *dst, bool update )
|
|
{
|
|
if (sws == NULL)
|
|
return;
|
|
|
|
pos.x = x;
|
|
pos.y = y;
|
|
SDL_BlitSurface(dest, &destRect, dst, &pos);
|
|
|
|
if (update)
|
|
SDL_UpdateRect(dst, pos.x, pos.y, pos.w, pos.h);
|
|
}
|
|
|
|
void CVideoPlayer::redraw( int x, int y, SDL_Surface *dst, bool update )
|
|
{
|
|
show(x, y, dst, update);
|
|
}
|
|
|
|
void CVideoPlayer::update( int x, int y, SDL_Surface *dst, bool forceRedraw, bool update )
|
|
{
|
|
if (sws == NULL)
|
|
return;
|
|
|
|
if (refreshCount <= 0)
|
|
{
|
|
refreshCount = refreshWait;
|
|
if (nextFrame())
|
|
show(x,y,dst,update);
|
|
} else {
|
|
redraw(x, y, dst, update);
|
|
}
|
|
|
|
refreshCount --;
|
|
}
|
|
|
|
void CVideoPlayer::close()
|
|
{
|
|
if (sws) {
|
|
sws_freeContext(sws);
|
|
sws = NULL;
|
|
}
|
|
|
|
if (overlay) {
|
|
SDL_FreeYUVOverlay(overlay);
|
|
overlay = NULL;
|
|
}
|
|
|
|
if (dest) {
|
|
SDL_FreeSurface(dest);
|
|
dest = NULL;
|
|
}
|
|
|
|
if (frame) {
|
|
av_free(frame);
|
|
frame = NULL;
|
|
}
|
|
|
|
if (codec) {
|
|
avcodec_close(codecContext);
|
|
codec = NULL;
|
|
codecContext = NULL;
|
|
}
|
|
|
|
if (format) {
|
|
av_close_input_file(format);
|
|
format = NULL;
|
|
}
|
|
}
|
|
|
|
// Plays a video. Only works for overlays.
|
|
bool CVideoPlayer::playVideo(int x, int y, SDL_Surface *dst, bool stopOnKey)
|
|
{
|
|
// Note: either the windows player or the linux player is
|
|
// broken. Compensate here until the bug is found.
|
|
y--;
|
|
|
|
pos.x = x;
|
|
pos.y = y;
|
|
|
|
FPSmanager mainFPSmng;
|
|
SDL_initFramerate(&mainFPSmng);
|
|
SDL_setFramerate(&mainFPSmng, 48);
|
|
|
|
while(nextFrame()) {
|
|
|
|
if(stopOnKey && keyDown())
|
|
return false;
|
|
|
|
SDL_DisplayYUVOverlay(overlay, &pos);
|
|
|
|
// Wait 3 frames
|
|
SDL_framerateDelay(&mainFPSmng);
|
|
SDL_framerateDelay(&mainFPSmng);
|
|
SDL_framerateDelay(&mainFPSmng);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CVideoPlayer::openAndPlayVideo(std::string name, int x, int y, SDL_Surface *dst, bool stopOnKey)
|
|
{
|
|
open(name, false, true);
|
|
bool ret = playVideo(x, y, dst, stopOnKey);
|
|
close();
|
|
return ret;
|
|
}
|
|
|
|
CVideoPlayer::~CVideoPlayer()
|
|
{
|
|
close();
|
|
}
|
|
|
|
#endif
|