839 lines
17 KiB
C++
839 lines
17 KiB
C++
#include <windowsx.h>
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#include "Main.h"
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#include "vis.h"
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#include "fft.h"
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#include <bfc/platform/types.h>
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#include <math.h>
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#include <assert.h>
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#include "./api.h"
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#include "../nsutil/window.h"
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#include "../nu/threadname.h"
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static winampVisModule *vis_mod;
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static DWORD WINAPI vis_thread(void *tmp);
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static HANDLE hThread;
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static DWORD visThreadId=0;
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static volatile int killThread;
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static int _nch = 2, _numframes=1;
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int _srate = 44100;
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static wchar_t _visplugin_name[512];
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static int _visplugin_num;
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static char *vsa_data;
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static int vsa_position, vsa_entrysize=577*4;
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static int vsa_length,size=576*4;
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static int vis_stopping;
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static CRITICAL_SECTION cs;
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static HWND external_window = NULL;
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static HWND external_window_host = NULL;
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#ifdef _M_IX86
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__inline static int lrint(float flt)
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{
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int intgr;
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_asm
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{
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fld flt
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fistp intgr
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}
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return intgr;
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}
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#else
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__inline static int lrint(float flt)
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{
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return (int)flt;
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}
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#endif
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// quantizes to 23 bits - use appropriately
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#define FASTMIN(x,b) { x = b - x; x += (float)fabs(x); x *= 0.5f; x = b - x; }
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static size_t vis_refCount=0;
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static winampVisModule *GetVis()
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{
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winampVisModule *ret = 0;
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EnterCriticalSection(&cs);
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if (vis_stopping)
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{
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LeaveCriticalSection(&cs);
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return 0;
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}
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if (vis_mod)
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{
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ret = vis_mod;
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vis_refCount++;
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}
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LeaveCriticalSection(&cs);
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return ret;
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}
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static void DestroyVis()
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{
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killThread=1;
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vis_stopping=1;
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if (GetCurrentThreadId() != visThreadId)
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{
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HANDLE thisThread = hThread;
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LeaveCriticalSection(&cs);
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// run message pump. this shouldn't last long.
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int x=200;
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while (WaitForSingleObject(thisThread,10) == WAIT_TIMEOUT && x-- > 0)
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{
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WASABI_API_APP->app_messageLoopStep();
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}
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WaitForSingleObject(thisThread,INFINITE);
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EnterCriticalSection(&cs);
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}
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CloseHandle(hThread);
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if (vis_mod)
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FreeLibrary(vis_mod->hDllInstance);
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vis_stopping=0;
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vis_mod=0;
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hThread=0;
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killThread=0;
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}
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static void ReleaseVis(winampVisModule *vis)
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{
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if (vis)
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{
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EnterCriticalSection(&cs);
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vis_refCount--;
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if (vis_refCount == 0)
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{
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DestroyVis();
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}
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LeaveCriticalSection(&cs);
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}
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}
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void vis_init(void)
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{
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InitializeCriticalSectionAndSpinCount(&cs, 4000);
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}
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static char *vsa_get(int timestamp);
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static void vsa_setdatasize();
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int vis_running()
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{
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int running=0;
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winampVisModule *vis = GetVis();
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if (vis)
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{
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running = !vis_stopping;
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ReleaseVis(vis);
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}
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return running;
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}
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static int priorities[5] =
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{
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THREAD_PRIORITY_LOWEST,
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THREAD_PRIORITY_BELOW_NORMAL,
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THREAD_PRIORITY_NORMAL,
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THREAD_PRIORITY_ABOVE_NORMAL,
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THREAD_PRIORITY_HIGHEST
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};
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void vis_start(HWND hwnd, wchar_t *fn)
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{
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if (vis_stopping || g_safeMode) return;
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vis_stop();
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vsa_deinit();
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if (!config_visplugin_name[0]) return;
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killThread=0;
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if (!fn || !*fn)
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{
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PathCombineW(_visplugin_name, VISDIR, config_visplugin_name);
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_visplugin_num=config_visplugin_num;
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}
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else
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{
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wchar_t buf[MAX_PATH] = {0};
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wchar_t *p;
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StringCchCopyW(buf,MAX_PATH,fn);
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p=wcsstr(buf,L",");
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if (p)
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{
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*p++=0;
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_visplugin_num=_wtoi(p);
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}
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else _visplugin_num=0;
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if (PathIsFileSpecW(buf) || PathIsRelativeW(buf))
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PathCombineW(_visplugin_name, VISDIR, buf);
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else
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StringCchCopyW(_visplugin_name,512,buf);
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}
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hThread = (HANDLE) CreateThread(NULL,0,(LPTHREAD_START_ROUTINE) vis_thread,NULL,0,&visThreadId);
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SetThreadPriority(hThread,priorities[config_visplugin_priority]);
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}
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void vis_setprio()
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{
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if (vis_stopping) return;
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if (hThread) SetThreadPriority(hThread,priorities[config_visplugin_priority]);
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}
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void vis_stop()
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{
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if (vis_stopping||!hThread) return;
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EnterCriticalSection(&cs); // go into critical section so vis_mod doesn't suddenly appear out of nowhere
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winampVisModule *thisVis = vis_mod;
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LeaveCriticalSection(&cs);
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ReleaseVis(thisVis);
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}
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void vis_setinfo(int srate, int nch)
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{
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if (srate > 0) _srate = srate;
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if (nch > 0) _nch = nch;
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if (!vis_running()) return;
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EnterCriticalSection(&cs);
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winampVisModule *vis = GetVis();
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if (vis)
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{
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vis->sRate = _srate;
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vis->nCh = _nch;
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ReleaseVis(vis);
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}
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LeaveCriticalSection(&cs);
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}
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void vis_setextwindow(HWND hwnd)
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{
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HWND test_window;
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unsigned int test_window_style_ex;
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unsigned long window_thread_id;
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EnterCriticalSection(&cs);
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external_window = hwnd;
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external_window_host = external_window;
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window_thread_id = GetWindowThreadProcessId(external_window, NULL);
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while(NULL != external_window_host)
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{
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test_window = GetAncestor(external_window_host, GA_PARENT);
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if (NULL != test_window &&
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window_thread_id == GetWindowThreadProcessId(test_window, NULL))
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{
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test_window_style_ex = (unsigned int)GetWindowLongPtrW(test_window, GWL_STYLE);
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if (0 != (WS_EX_CONTROLPARENT & test_window_style_ex))
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{
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external_window_host = test_window;
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continue;
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}
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}
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break;
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}
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LeaveCriticalSection(&cs);
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}
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static winampVisModule *CreateVis(HINSTANCE visLib)
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{
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EnterCriticalSection(&cs);
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winampVisModule *ret = 0;
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ret = GetVis();
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if (ret)
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{
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LeaveCriticalSection(&cs);
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return ret;
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}
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winampVisGetHeaderType pr;
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pr = (winampVisGetHeaderType) GetProcAddress(visLib,"winampVisGetHeader");
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if (!pr)
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{
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LeaveCriticalSection(&cs);
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return 0;
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}
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winampVisHeader* pv = pr(hMainWindow);
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if (!pv)
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{
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LeaveCriticalSection(&cs);
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return 0;
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}
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vis_mod = pv->getModule(_visplugin_num);
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if (!vis_mod)
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{
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LeaveCriticalSection(&cs);
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return 0;
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}
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vis_mod->sRate = _srate;
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vis_mod->nCh = _nch;
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vis_mod->hwndParent = hMainWindow;
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vis_mod->hDllInstance = visLib;
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vis_refCount++;
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LeaveCriticalSection(&cs);
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return vis_mod;
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}
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static BOOL vis_process_message(MSG *msg)
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{
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if (msg->message >= WM_KEYFIRST && msg->message <= WM_KEYLAST &&
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msg->hwnd == external_window &&
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NULL != external_window)
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{
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return FALSE;
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}
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if (WM_MOUSEWHEEL == msg->message &&
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NULL != external_window_host)
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{
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POINT cursor;
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HWND target_window;
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POINTSTOPOINT(cursor, msg->lParam);
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target_window = WindowFromPoint(cursor);
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if (NULL != target_window &&
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FALSE == IsChild(external_window_host, target_window ) &&
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GetWindowThreadProcessId(target_window, NULL) != GetWindowThreadProcessId(external_window_host, NULL))
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{
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PostMessageW(hMainWindow, msg->message, msg->wParam, msg->lParam);
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return TRUE;
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}
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}
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if (NULL != external_window_host)
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return IsDialogMessageW(external_window_host, msg);
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return FALSE;
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}
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static DWORD WINAPI vis_thread(void *tmp)
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{
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winampVisModule *vis = 0;
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MSG Msg;
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HINSTANCE hLib=0;
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int t=0;
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SetThreadName((DWORD)-1, "Vis (plugin) thread");
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hLib = LoadLibrary(_visplugin_name);
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if (!hLib)
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{
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t=1;
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}
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else
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{
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vis = CreateVis(hLib);
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if (!vis)
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{
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FreeLibrary(hLib);
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hLib = 0;
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t=1;
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}
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}
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if (!t)
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{
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if (!(config_no_visseh&1))
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{
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__try
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{
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t = (vis ? vis->Init(vis) : 1);
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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t=1;
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char errstr[512] = {0};
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char caption[512] = {0};
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getString(IDS_PLUGINERROR,errstr,512);
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StringCchCatA(errstr, 512, " (1)");
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MessageBoxA(NULL,errstr,getString(IDS_ERROR,caption,512),MB_OK|MB_ICONEXCLAMATION);
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}
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}
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else
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{
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t = vis->Init(vis);
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}
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}
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if (!t)
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{
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if (config_disvis) sa_setthread(0);
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vsa_setdatasize();
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while (!killThread)
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{
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if (PeekMessage(&Msg,NULL,0,0,PM_REMOVE))
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{
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if (Msg.message == WM_QUIT)
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break;
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if (FALSE == vis_process_message(&Msg))
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{
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TranslateMessage(&Msg);
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DispatchMessage(&Msg);
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}
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}
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else if (!paused)
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{
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static int upd;
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int p=playing;
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char *data=0;
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if (in_mod && p) data = vsa_get(in_mod->GetOutputTime()+vis->latencyMs);
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if (data)
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{
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int l=vis->spectrumNch;
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for (int n = 0; n < l; n ++)
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{
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memcpy(vis->spectrumData[n],data,576);
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data += 576;
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}
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l=vis->waveformNch;
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for (int n = 0; n < l; n ++)
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{
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memcpy(vis->waveformData[n],data,576);
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data += 576;
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}
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}
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if (!data)
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{
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memset(vis->spectrumData,0,576*2);
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memset(vis->waveformData,0,576*2);
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}
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if (p) upd=1;
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if (upd)
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if (!(config_no_visseh&1))
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{
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__try
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{
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if (vis->Render(vis))
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{
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break;
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}
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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char errstr[512] = {0};
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char caption[512] = {0};
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getString(IDS_PLUGINERROR,errstr,512);
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StringCchCatA(errstr, 512, " (2)");
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MessageBoxA(NULL,errstr,getString(IDS_ERROR,caption,512),MB_OK|MB_ICONEXCLAMATION);
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break;
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}
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}
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else
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{
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if (vis->Render(vis))
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{
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break;
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}
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}
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if (!p) upd=0;
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Sleep(vis->delayMs);
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}
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else Sleep(min(1,vis->delayMs));
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}
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vsa_deinit();
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sa_setthread(config_sa);
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if (!(config_no_visseh&1))
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{
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__try
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{
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vis->Quit(vis);
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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wchar_t errstr[512] = {0};
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wchar_t caption[512] = {0};
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getStringW(IDS_PLUGINERROR,errstr,512);
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StringCchCatW(errstr, 512, L" (3)");
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MessageBoxW(NULL,errstr,getStringW(IDS_ERROR,caption,512),MB_OK|MB_ICONEXCLAMATION);
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}
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}
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else
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{
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vis->Quit(vis);
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}
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EnterCriticalSection(&cs);
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if (killThread)
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{
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LeaveCriticalSection(&cs);
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return 0;
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}
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else
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{
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ReleaseVis(vis);
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LeaveCriticalSection(&cs);
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return 0;
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}
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}
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ReleaseVis(vis);
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if (hLib)
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FreeLibrary(hLib);
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hLib = 0;
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return 0;
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}
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static int last_pos;
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static void _vsa_init()
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{
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vsa_deinit();
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if (_numframes < 1) _numframes=1;
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vsa_entrysize = 4+size;
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vsa_data = (char *) GlobalAlloc(GPTR,vsa_entrysize * _numframes);
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vsa_position=0;
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vsa_length = _numframes;
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}
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void vsa_init(int numframes)
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{
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EnterCriticalSection(&cs);
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if (vis_running())
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{
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last_pos=0;
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_numframes=numframes;
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_vsa_init();
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}
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else
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{
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last_pos=0;
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_numframes=numframes;
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}
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LeaveCriticalSection(&cs);
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}
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static void vsa_setdatasize()
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{
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EnterCriticalSection(&cs);
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winampVisModule *vis = GetVis();
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if (vis)
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{
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size=576*(vis->waveformNch+vis->spectrumNch);
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_vsa_init();
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ReleaseVis(vis);
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}
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LeaveCriticalSection(&cs);
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}
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int vsa_add(void *data, int timestamp)
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{
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if (!vsa_data) return 1;
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EnterCriticalSection(&cs);
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if (vsa_data) // check again, it might have gone away while we were waiting on the CS
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{
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if (vsa_length < 2)
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{
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vsa_position = 0;
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}
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char *c = vsa_data + vsa_position*vsa_entrysize;
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*(int32_t *)c=timestamp;
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memcpy(c+4,data,vsa_entrysize-4);
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if (++vsa_position >= vsa_length) vsa_position -= vsa_length;
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LeaveCriticalSection(&cs);
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return 0;
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}
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else
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{
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LeaveCriticalSection(&cs);
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return 1;
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}
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}
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|
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void vsa_deinit(void)
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{
|
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EnterCriticalSection(&cs);
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if (vsa_data)
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{
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GlobalFree(vsa_data);
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vsa_data=0;
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vsa_length=0;
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}
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LeaveCriticalSection(&cs);
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}
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|
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static char *vsa_get(int timestamp)
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{
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int i,x, closest=1000000, closest_v = -1;
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if (!vsa_data) return NULL;
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if (vsa_length<2)
|
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{
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return vsa_data+4;
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}
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EnterCriticalSection(&cs);
|
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x=last_pos;
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if (x >= vsa_length) x=0;
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for (i = 0; i < vsa_length; i ++)
|
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{
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int *q = (int *)(vsa_data+x*vsa_entrysize);
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int d = timestamp-*q;
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if (++x == vsa_length) x=0;
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if (d < 0) d = -d;
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if (d < closest)
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{
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closest = d;
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closest_v = x;
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}
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else if (closest<200) break;
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}
|
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if (closest_v >= 0)
|
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{
|
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static char data[576*4];
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last_pos=closest_v;
|
|
memcpy(data,vsa_data+vsa_entrysize*closest_v+4,vsa_entrysize-4);
|
|
LeaveCriticalSection(&cs);
|
|
return data;
|
|
}
|
|
else
|
|
{
|
|
LeaveCriticalSection(&cs);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int vsa_getmode(int *sp, int *wa)
|
|
{
|
|
int rv=0;
|
|
winampVisModule *vis = GetVis();
|
|
if (vis)
|
|
{
|
|
EnterCriticalSection(&cs);
|
|
*sp=vis->spectrumNch;
|
|
*wa=vis->waveformNch;
|
|
rv=1;
|
|
|
|
LeaveCriticalSection(&cs);
|
|
ReleaseVis(vis);
|
|
}
|
|
else *sp=*wa=0;
|
|
return rv;
|
|
}
|
|
|
|
void FillRealSamples_8Bit(unsigned char *data, const int stride, const int channels, float *samples, const float divider)
|
|
{
|
|
int frame,c;
|
|
const float p = (float)channels*divider;
|
|
|
|
for (frame = 0; frame <512; frame ++)
|
|
{
|
|
//done by memset - samples[x*2]=0;
|
|
for (c=0;c<channels;c++)
|
|
{
|
|
samples[frame] += (float)(*data - 128);
|
|
data+=stride; // jump to the next sample (channels are interleaved)
|
|
}
|
|
|
|
samples[frame] /= p;
|
|
//done by memset - wavetrum[x*2+1] = 0.0f;
|
|
}
|
|
nsutil_window_Hann_F32_IP(samples, 512);
|
|
}
|
|
|
|
#define SA_DC_FILTER
|
|
void FillRealSamples(char *ptr, const int stride, const int channels, float *samples, const float divider)
|
|
{
|
|
#ifdef SA_DC_FILTER
|
|
float x1=0, y1=0;
|
|
#endif
|
|
int frame, c;
|
|
const float p=(float)channels * divider;
|
|
|
|
// we're calculating using only the most significant byte,
|
|
// because we only end up with 6 bit data anyway
|
|
// if you want full resolution, check out CVS tag BETA_2005_1122_182830, file: vis.c
|
|
|
|
for (frame = 0;frame <512;frame++)
|
|
{
|
|
//done by memset - wavetrum[x*2]=0;
|
|
float x=0;
|
|
for (c=0;c<channels;c++)
|
|
{
|
|
x += (float)(*ptr);
|
|
ptr+=stride; // jump to the next sample (channels are interleaved)
|
|
}
|
|
#ifdef SA_DC_FILTER
|
|
float y = x - x1 + 0.99f * y1;
|
|
y1=y;
|
|
x1=x;
|
|
#else
|
|
float y=x;
|
|
#endif
|
|
y/=p;
|
|
|
|
samples[frame]=y;
|
|
//done by memset - wavetrum[x*2+1] = 0.0f;
|
|
}
|
|
nsutil_window_Hann_F32_IP(samples, 512);
|
|
}
|
|
|
|
void vsa_addpcmdata(void *_data_buf, int numChannels, int numBits, int ts)
|
|
{
|
|
char *data_buf = reinterpret_cast<char *>(_data_buf);
|
|
// begin vis plugin stuff
|
|
winampVisModule *vis = GetVis();
|
|
if (vis)
|
|
{
|
|
__declspec(align(32)) float wavetrum[512];
|
|
extern int vsa_add(void *data, int timestamp);
|
|
char data[576*4*2] = {0};
|
|
int data_offs=0;
|
|
int y,x,spectrumChannels, waveformChannels, stride;
|
|
|
|
spectrumChannels=min(numChannels,vis->spectrumNch);
|
|
stride=numBits/8;
|
|
|
|
for (y = 0; y < spectrumChannels; y ++)
|
|
{
|
|
if (spectrumChannels == 1) // downmix to mono, if necessary
|
|
{
|
|
if (numBits == 8)
|
|
FillRealSamples_8Bit((unsigned char*)data_buf, 1, numChannels, wavetrum, 1.f);
|
|
else
|
|
{
|
|
const int stride=numBits/8; // number of bytes between samples
|
|
char *ptr = data_buf+y*stride+stride-1; // offset for little endian
|
|
FillRealSamples(ptr, stride, numChannels, wavetrum, 1.f);
|
|
}
|
|
}
|
|
else // TODO: deal with 'downmixing' to stereo if channels>2
|
|
{
|
|
if (numBits == 8)
|
|
FillRealSamples_8Bit((unsigned char*)data_buf, numChannels, 1, wavetrum, 1.f);
|
|
else
|
|
{
|
|
const int stride=numBits/8; // number of bytes between samples
|
|
char *ptr = data_buf+y*stride+stride-1; // offset for little endian
|
|
FillRealSamples(ptr, stride*numChannels, 1, wavetrum, 1.f);
|
|
}
|
|
}
|
|
fft_9(wavetrum);
|
|
{
|
|
float la=0;
|
|
int thisBand=0;
|
|
|
|
for (x = 0; x < 256; x ++)
|
|
{
|
|
float sinT = wavetrum[x*2];
|
|
float cosT = wavetrum[x*2+1];
|
|
|
|
float thisValue=(float)sqrt(sinT*sinT+cosT*cosT)/16.0f;
|
|
thisBand++;
|
|
|
|
FASTMIN(thisValue, 255.f);
|
|
data[data_offs++] = lrint((thisValue + la)/2.f);
|
|
//data[data_offs++] = lrint((thisValue + thisValue + la)/3.f);
|
|
data[data_offs++] = lrint(thisValue);
|
|
la=thisValue;
|
|
}
|
|
while ((data_offs % 576)!=0)
|
|
{
|
|
la/=2;
|
|
data[data_offs++]=lrint(la);
|
|
}
|
|
|
|
assert((data_offs % 576)==0);
|
|
}
|
|
}
|
|
|
|
if (numChannels == 1 && vis->spectrumNch == 2) // upmix, if necessary
|
|
{
|
|
memcpy(data+data_offs,data+data_offs-576,576);
|
|
data_offs+=576;
|
|
}
|
|
|
|
waveformChannels=min(numChannels,vis->waveformNch);
|
|
if (waveformChannels == 1) // downmix to mono, if necessary
|
|
{
|
|
char *ptr = data_buf+stride-1; // offset for little endian
|
|
for (x=0;x<576;x++)
|
|
{
|
|
__int32 mix=0;
|
|
for (int channel=0;channel<numChannels;channel++)
|
|
{
|
|
mix += (*ptr);
|
|
ptr+=stride; // jump to the next sample (channels are interleaved)
|
|
}
|
|
data[data_offs++] = (char)(mix / numChannels);
|
|
}
|
|
}
|
|
else // TODO: deal with 'downmixing' to stereo if numChannels>2
|
|
{
|
|
for (y = 0; y < waveformChannels; y++)
|
|
{
|
|
char *ptr = data_buf+y*stride+stride-1; // offset for little endian
|
|
for (x=0;x<576;x++)
|
|
{
|
|
data[data_offs++] = *ptr;
|
|
ptr+=stride*numChannels;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (numChannels == 1 && vis->waveformNch == 2)
|
|
{
|
|
memcpy(data+data_offs,data+data_offs-576,576);
|
|
//data_offs+=576;
|
|
}
|
|
vsa_add(data,ts);
|
|
ReleaseVis(vis);
|
|
}
|
|
}
|
|
|
|
HWND hVisWindow, hPLVisWindow;
|
|
|
|
LRESULT CALLBACK VIS_WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
switch (message)
|
|
{
|
|
case WM_LBUTTONDOWN:
|
|
case WM_LBUTTONUP:
|
|
case WM_RBUTTONDOWN:
|
|
case WM_RBUTTONUP:
|
|
case WM_LBUTTONDBLCLK:
|
|
{
|
|
RECT r1, r2;
|
|
int xPos = GET_X_LPARAM(lParam); // horizontal position of cursor
|
|
int yPos = GET_Y_LPARAM(lParam);
|
|
if (hwnd == hVisWindow)
|
|
{
|
|
GetWindowRect(hMainWindow,&r1);
|
|
}
|
|
else GetWindowRect(hPLWindow,&r1);
|
|
GetWindowRect(hwnd,&r2);
|
|
xPos += r2.left-r1.left;
|
|
yPos += r2.top-r1.top;
|
|
lParam = MAKELPARAM(xPos,yPos);
|
|
SendMessageW(hwnd == hVisWindow?hMainWindow:hPLWindow,message,wParam,lParam);
|
|
return 0;
|
|
}
|
|
case WM_USER+0xebe:
|
|
case WM_DROPFILES:
|
|
return SendMessageW(GetParent(hwnd),message,wParam,lParam);
|
|
case WM_CREATE:
|
|
if (NULL != WASABI_API_APP)
|
|
WASABI_API_APP->app_registerGlobalWindow(hwnd);
|
|
break;
|
|
case WM_DESTROY:
|
|
if (NULL != WASABI_API_APP)
|
|
WASABI_API_APP->app_unregisterGlobalWindow(hwnd);
|
|
break;
|
|
}
|
|
|
|
if (FALSE != IsDirectMouseWheelMessage(message))
|
|
{
|
|
SendMessageW(hwnd, WM_MOUSEWHEEL, wParam, lParam);
|
|
return TRUE;
|
|
}
|
|
|
|
return DefWindowProcW(hwnd,message,wParam,lParam);
|
|
} |