mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-24 08:32:34 +02:00
1086 lines
23 KiB
C++
1086 lines
23 KiB
C++
#include "StdInc.h"
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#include <SDL.h>
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#include "CVideoHandler.h"
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#include "UIFramework/CGuiHandler.h"
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#include "UIFramework/SDL_Extensions.h"
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#include "CPlayerInterface.h"
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#include "../lib/Filesystem/CResourceLoader.h"
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extern CGuiHandler GH; //global gui handler
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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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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 std::runtime_error(msg);
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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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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(true);
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}
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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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if(!dll)
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{
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tlog1 << "Cannot look for " << symbol << " because DLL hasn't been appropriately loaded!\n";
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return NULL;
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}
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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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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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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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}
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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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bool 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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goto checkErrorAndClean;
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}
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//GCC wants scope of waveout to dont cross labels/swith/goto
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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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}
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hBink = binkOpen(hBinkFile, 0x8a800000);
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if(!hBink)
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{
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tlog1 << "bink failed to open " << name << std::endl;
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goto checkErrorAndClean;
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}
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allocBuffer();
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return true;
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checkErrorAndClean:
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CloseHandle(hBinkFile);
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hBinkFile = NULL;
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checkForError();
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throw std::runtime_error("BIK failed opening video!");
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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 2:
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mode = 3; //565, mode 2 is 555 probably
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break;
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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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bool CBIKHandler::nextFrame()
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{
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binkNextFrame(hBink);
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return true;
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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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bool CSmackPlayer::nextFrame()
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{
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ptrSmackNextFrame(data);
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return true;
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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() : data(NULL)
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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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ptrVolumePan = (SmackVolumePan)FindAddress("_SmackVolumePan@16");
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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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bool 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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checkForError();
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throw std::runtime_error("SMACK failed opening video");
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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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//ptrVolumePan(data, 0xfe000, 3640 * GDefaultOptions.musicVolume / 11, 0x8000); //set volume
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return true;
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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;
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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 = std::min<int>(data->width, dst->w - x), h = std::min<int>(data->height, dst->h - y);
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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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if(dst->format->BytesPerPixel >= 3)
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{
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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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}
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else if(dst->format->BytesPerPixel == 2)
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{
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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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//convert rgb 555 to 565
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Uint16 pixel = *addr;
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Uint16 *p = (Uint16 *)((Uint8 *)dst->pixels + (j+y) * dst->pitch + (i + x) * dst->format->BytesPerPixel);
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*p = (pixel & 0x1F)
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+ ((pixel & 0x3e0) << 1)
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+ ((pixel & 0x7c00) << 1);
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addr--;
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}
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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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current = NULL;
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}
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CVideoPlayer::~CVideoPlayer()
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{
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}
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bool 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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try
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{
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// Extract video from video.vid so we can play it.
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// We can handle only videos in form of single file, no archive support yet.
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{
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auto myVideo = CResourceHandler::get()->load(ResourceID("VIDEO/" + name, EResType::VIDEO));
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unique_ptr<char[]> data = unique_ptr<char[]>(new char[myVideo->getSize()]);
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myVideo->read((ui8*)data.get(), myVideo->getSize());
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std::ofstream out(name, std::ofstream::binary);
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out.exceptions(std::ifstream::failbit | std::ifstream::badbit);
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out.write(data.get(), myVideo->getSize());
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}
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current->open(name);
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return true;
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}
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catch(std::exception &e)
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{
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current = nullptr;
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tlog3 << "Failed to open video file " << name << ": " << e.what() << std::endl;
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}
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return false;
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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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bool CVideoPlayer::nextFrame()
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{
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if(current)
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{
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current->nextFrame();
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return true;
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}
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else
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return false;
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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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if(current)
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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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if(current)
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return current->wait();
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else
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return false;
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}
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int CVideoPlayer::curFrame() const
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{
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if(current)
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return current->curFrame();
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else
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return -1;
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}
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int CVideoPlayer::frameCount() const
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{
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if(current)
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return current->frameCount();
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else
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return -1;
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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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if(!open(name))
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return false;
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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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if(!current)
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return;
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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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if(current)
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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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if(!current)
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return false;
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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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#ifndef DISABLE_VIDEO
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#if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(52, 117, 0)
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|
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// Define a set of functions to read data
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static int lodRead(void* opaque, uint8_t* buf, int size)
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{
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|
auto video = reinterpret_cast<CVideoPlayer *>(opaque);
|
|
|
|
vstd::amin(size, video->length - video->offset);
|
|
|
|
if (size < 0)
|
|
return -1;
|
|
|
|
memcpy(buf, video->data + video->offset, size);
|
|
video->offset += size;
|
|
return size;
|
|
}
|
|
|
|
static si64 lodSeek(void * opaque, si64 pos, int whence)
|
|
{
|
|
auto video = reinterpret_cast<CVideoPlayer *>(opaque);
|
|
|
|
if (whence & AVSEEK_SIZE)
|
|
return video->length;
|
|
|
|
video->offset = pos;
|
|
vstd::amin(video->offset, video->length);
|
|
return video->offset;
|
|
}
|
|
|
|
#else
|
|
|
|
static const char *protocol_name = "lod";
|
|
|
|
// Open a pseudo file. Name is something like 'lod:0x56432ab6c43df8fe'
|
|
static int lodOpen(URLContext *context, const char *filename, int flags)
|
|
{
|
|
CVideoPlayer *video;
|
|
|
|
// Retrieve pointer to CVideoPlayer object
|
|
filename += strlen(protocol_name) + 1;
|
|
video = (CVideoPlayer *)(uintptr_t)strtoull(filename, NULL, 16);
|
|
|
|
// TODO: check flags ?
|
|
|
|
context->priv_data = video;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lodClose(URLContext* h)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
// Define a set of functions to read data
|
|
static int lodRead(URLContext *context, ui8 *buf, int size)
|
|
{
|
|
CVideoPlayer *video = (CVideoPlayer *)context->priv_data;
|
|
|
|
vstd::amin(size, video->length - video->offset);
|
|
|
|
if (size < 0)
|
|
return -1;
|
|
|
|
// TODO: can we avoid that copy ?
|
|
memcpy(buf, video->data + video->offset, size);
|
|
|
|
video->offset += size;
|
|
|
|
return size;
|
|
}
|
|
|
|
static si64 lodSeek(URLContext *context, si64 pos, int whence)
|
|
{
|
|
CVideoPlayer *video = (CVideoPlayer *)context->priv_data;
|
|
|
|
if (whence & AVSEEK_SIZE)
|
|
return video->length;
|
|
|
|
video->offset = pos;
|
|
vstd::amin(video->offset, video->length);
|
|
return video->offset;
|
|
}
|
|
|
|
static URLProtocol lod_protocol =
|
|
{
|
|
protocol_name,
|
|
lodOpen,
|
|
lodRead,
|
|
NULL, // no write
|
|
lodSeek,
|
|
lodClose
|
|
};
|
|
|
|
#endif
|
|
|
|
CVideoPlayer::CVideoPlayer()
|
|
{
|
|
format = NULL;
|
|
frame = NULL;
|
|
codec = NULL;
|
|
sws = NULL;
|
|
overlay = NULL;
|
|
dest = NULL;
|
|
context = nullptr;
|
|
buffer = nullptr;
|
|
|
|
// Register codecs. TODO: May be overkill. Should call a
|
|
// combination of av_register_input_format() /
|
|
// av_register_output_format() / av_register_protocol() instead.
|
|
av_register_all();
|
|
|
|
#if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(52, 117, 0)
|
|
#elif LIBAVCODEC_VERSION_INT > AV_VERSION_INT(52, 69, 0)
|
|
// Register our protocol 'lod' so we can directly read from mmaped memory
|
|
av_register_protocol2(&lod_protocol, sizeof(lod_protocol));
|
|
#else
|
|
av_register_protocol(&lod_protocol);
|
|
#endif
|
|
}
|
|
|
|
bool CVideoPlayer::open(std::string fname)
|
|
{
|
|
return open(fname, true, false);
|
|
}
|
|
|
|
// loop = to loop through the video
|
|
// useOverlay = directly write to the screen.
|
|
bool CVideoPlayer::open(std::string fname, bool loop, bool useOverlay)
|
|
{
|
|
close();
|
|
|
|
this->fname = fname;
|
|
offset = 0;
|
|
refreshWait = 3;
|
|
refreshCount = -1;
|
|
doLoop = loop;
|
|
|
|
ResourceID resource(std::string("Video/") + fname, EResType::VIDEO);
|
|
|
|
if (CResourceHandler::get()->existsResource(resource))
|
|
{
|
|
auto extracted = CResourceHandler::get()->loadData(resource);
|
|
data = (char *)extracted.first.release();
|
|
length = extracted.second;
|
|
}
|
|
else
|
|
{
|
|
data = nullptr;
|
|
length = 0;
|
|
return false;
|
|
}
|
|
|
|
#if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(52, 117, 0)
|
|
|
|
static const int BUFFER_SIZE = 4096;
|
|
buffer = (unsigned char *)av_malloc(BUFFER_SIZE);// will be freed by ffmpeg
|
|
context = avio_alloc_context( buffer, BUFFER_SIZE, 0, (void *)this, lodRead, NULL, lodSeek);
|
|
|
|
format = avformat_alloc_context();
|
|
format->pb = context;
|
|
// filename is not needed - file was already open and stored in this->data;
|
|
int avfopen = avformat_open_input(&format, "dummyFilename", nullptr, nullptr);
|
|
|
|
#else
|
|
|
|
std::string filePath;
|
|
filePath.resize(100);
|
|
// 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.
|
|
sprintf(&filePath[0], "%s:0x%016llx", protocol_name, (unsigned long long)(uintptr_t)this);
|
|
|
|
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(53, 0, 0)
|
|
int avfopen = av_open_input_file(&format, filePath.c_str(), NULL, 0, NULL);
|
|
#else
|
|
int avfopen = avformat_open_input(&format, filePath.c_str(), NULL, NULL);
|
|
#endif
|
|
#endif
|
|
|
|
if (avfopen != 0)
|
|
{
|
|
return false;
|
|
}
|
|
// Retrieve stream information
|
|
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(53, 17, 0)
|
|
if (av_find_stream_info(format) < 0)
|
|
#else
|
|
if (avformat_find_stream_info(format, NULL) < 0)
|
|
#endif
|
|
return false;
|
|
|
|
// Find the first video stream
|
|
stream = -1;
|
|
for(ui32 i=0; i<format->nb_streams; i++)
|
|
{
|
|
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(53, 0, 0)
|
|
if (format->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO)
|
|
#else
|
|
if (format->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO)
|
|
#endif
|
|
{
|
|
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 LIBAVCODEC_VERSION_INT < AV_VERSION_INT(53, 6, 0)
|
|
if ( avcodec_open(codecContext, codec) < 0 )
|
|
#else
|
|
if ( avcodec_open2(codecContext, codec, NULL) < 0 )
|
|
#endif
|
|
{
|
|
// 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
|
|
{
|
|
|
|
PixelFormat screenFormat = PIX_FMT_NONE;
|
|
switch(screen->format->BytesPerPixel)
|
|
{
|
|
case 2: screenFormat = PIX_FMT_RGB565; break;
|
|
case 3: screenFormat = PIX_FMT_RGB24; break;
|
|
case 4: screenFormat = PIX_FMT_RGB32; break;
|
|
default: return false;
|
|
}
|
|
|
|
sws = sws_getContext(codecContext->width, codecContext->height,
|
|
codecContext->pix_fmt, codecContext->width, codecContext->height,
|
|
screenFormat, 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
|
|
|
|
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(52, 25, 0)
|
|
avcodec_decode_video(codecContext, frame, &frameFinished, packet.data, packet.size);
|
|
#else
|
|
avcodec_decode_video2(codecContext, frame, &frameFinished, &packet);
|
|
#endif
|
|
|
|
// 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] = (ui8 *)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;
|
|
CSDL_Ext::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
|
|
{
|
|
open(fname);
|
|
nextFrame();
|
|
|
|
// The y position is wrong at the first frame.
|
|
// Note: either the windows player or the linux player is
|
|
// broken. Compensate here until the bug is found.
|
|
show(x, y--, dst, update);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
redraw(x, y, dst, update);
|
|
}
|
|
|
|
refreshCount --;
|
|
}
|
|
|
|
void CVideoPlayer::close()
|
|
{
|
|
fname = "";
|
|
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)
|
|
{
|
|
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(53, 17, 0)
|
|
av_close_input_file(format);
|
|
format = NULL;
|
|
#else
|
|
avformat_close_input(&format);
|
|
#endif
|
|
}
|
|
|
|
#if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(52, 117, 0)
|
|
if (context)
|
|
{
|
|
av_free(context);
|
|
context = nullptr;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// 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;
|
|
|
|
while(nextFrame())
|
|
{
|
|
|
|
if(stopOnKey && keyDown())
|
|
return false;
|
|
|
|
SDL_DisplayYUVOverlay(overlay, &pos);
|
|
|
|
// Wait 3 frames
|
|
GH.mainFPSmng->framerateDelay();
|
|
GH.mainFPSmng->framerateDelay();
|
|
GH.mainFPSmng->framerateDelay();
|
|
}
|
|
|
|
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
|
|
|
|
#endif
|