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winamp/Src/Plugins/Input/in_nsv/Main.cpp
Jef f2d940131e Initial community commit
2024-09-24 14:54:57 +02:00

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#define PLUGIN_NAME "Nullsoft NSV Decoder"
#define PLUGIN_VERSION L"1.76"
#include <windows.h>
#include "../Winamp/in2.h"
#include "../nsv/nsvplay/main.h"
#include "resource.h"
#include "../nu/AutoWide.h"
#include "../nu/AutoCharFn.h"
#define NO_IVIDEO_DECLARE
#include "../winamp/wa_ipc.h"
#include "../Winamp/strutil.h"
#include "api.h"
extern In_Module mod; // the output module (filled in near the bottom of this file)
#define g_hInstance mod.hDllInstance
#define WNDMENU_CAPTION L"Winamp in_nsv"
#define MODAL_ABOUT
#define LOC_MODAL_ABOUT
#include "../nsv/nsvplay/about.h"
#undef g_hInstance
#include <shlwapi.h>
#include <strsafe.h>
extern int config_precseek;
extern int config_vidoffs;
extern int config_bufms;
extern int config_prebufms;
extern int config_underunbuf;
extern int config_bufms_f;
extern int config_prebufms_f;
extern int config_underunbuf_f;
// {B6CB4A7C-A8D0-4c55-8E60-9F7A7A23DA0F}
static const GUID playbackConfigGroupGUID =
{
0xb6cb4a7c, 0xa8d0, 0x4c55, { 0x8e, 0x60, 0x9f, 0x7a, 0x7a, 0x23, 0xda, 0xf }
};
char lastfn[1024] = {0}; // currently playing file (used for getting info on the current file)
static char statusbuf[1024];
char stream_url[1024] = {0};
ULONGLONG g_bufferstat;
int m_last_bitrate;
void config_read();
void config_write();
void config(HWND hwndParent);
int file_length = 0; // file length, in bytes
// Used for correcting DSP plug-in pitch changes
int paused = 0; // are we paused?
volatile int seek_needed; // if != -1, it is the point that the decode
// thread should seek to, in ms.
CRITICAL_SECTION g_decoder_cs;
char g_streaminfobuf[512] = {0};
int g_streaminfobuf_used = 0;
char error_string[128] = {0};
volatile int killDecodeThread = 0; // the kill switch for the decode thread
HANDLE thread_handle = INVALID_HANDLE_VALUE; // the handle to the decode thread
int has_opened_outmod = 0;
int m_srate = 0; // seek needs this
int decoders_initted = 0;
api_config *AGAVE_API_CONFIG = 0;
api_memmgr *WASABI_API_MEMMGR = 0;
// wasabi based services for localisation support
api_language *WASABI_API_LNG = 0;
HINSTANCE WASABI_API_LNG_HINST = 0, WASABI_API_ORIG_HINST = 0;
void process_url(char *url)
{
lstrcpynA(stream_url, url, sizeof(stream_url));
// if (!strncmp(stream_url,"hTtP",4))
// {
// DWORD dw;
// SendMessageTimeout(mod.hMainWindow,WM_USER,(WPARAM)0,241,SMTO_NORMAL,500,&dw);
// } // I (Tag) removed this support, its annoying.
DWORD_PTR dw = 0;
if (stream_url[0]) SendMessageTimeout(mod.hMainWindow, WM_USER, (WPARAM)stream_url, 241, SMTO_NORMAL, 500, &dw);
}
char last_title_sent[256] = {0};
void process_metadata(char *data, int len)
{
if (len && *data)
{
char *ld;
int x;
if (len > 4096) return ;
for (x = 0; x < len; x ++)
if (!data[x]) break;
if (x == len) return ;
while ((ld = strstr(data, "='")))
{
char * n = data;
ld[0] = 0;
ld += 2;
data = strstr(ld, "';");
if (data)
{
data[0] = 0;
data += 2;
if (!lstrcmpiA(n, "StreamTitle"))
{
lstrcpynA(last_title_sent, ld, sizeof(last_title_sent));
last_title_sent[sizeof(last_title_sent) - 1] = 0;
PostMessage(mod.hMainWindow, WM_USER, 0, 243);
}
else if (!lstrcmpiA(n, "StreamUrl"))
{
process_url(ld);
}
}
else break;
}
}
}
class WA2AudioOutput : public IAudioOutput
{
public:
WA2AudioOutput(int srate, int nch, int bps)
{
memset(m_stuffbuf, 0, sizeof(m_stuffbuf));
decode_pos_samples = 0;
m_srate = srate; m_bps = bps; m_nch = nch;
m_open_success = 0;
m_stuffbuf_u = 0;
int maxlat = mod.outMod->Open(srate, nch, bps, -1, -1);
if (maxlat == 0 && strstr(lastfn, "://"))
{
maxlat = -1;
mod.outMod->Close(); // boom
}
if (maxlat >= 0)
{
mod.SetInfo( -1, srate / 1000, nch, 1);
mod.SAVSAInit(maxlat, srate);
mod.VSASetInfo(srate, nch);
mod.outMod->SetVolume( -666);
m_open_success = 1;
has_opened_outmod = 1;
}
}
~WA2AudioOutput(){}
int canwrite()
{
int a = mod.outMod->CanWrite();
if (mod.dsp_isactive() == 1) a /= 2;
return a & ~((m_nch * (m_bps / 8)) - 1);
} // returns bytes writeable
void write(void *buf, int len)
{
char *b = (char *)buf;
int s = 576 * m_nch * (m_bps / 8);
if (s > sizeof(m_stuffbuf)) s = sizeof(m_stuffbuf);
while (len > 0)
{
int l = s;
if (!m_stuffbuf_u && len >= s) // straight copy of data
{
int dms = (int) ((decode_pos_samples * (__int64)1000) / (__int64)m_srate);
mod.SAAddPCMData(b, m_nch, m_bps, dms);
mod.VSAAddPCMData(b, m_nch, m_bps, dms);
}
else if (m_stuffbuf_u + len >= s)
{
int dms = (int) (((decode_pos_samples - (m_stuffbuf_u / m_nch / (m_bps / 8))) * (__int64)1000) / (__int64)m_srate);
l = (s - m_stuffbuf_u);
memcpy(m_stuffbuf + m_stuffbuf_u, b, l);
m_stuffbuf_u = 0;
mod.SAAddPCMData(m_stuffbuf, m_nch, m_bps, dms);
mod.VSAAddPCMData(m_stuffbuf, m_nch, m_bps, dms);
}
else // put all of len into m_stuffbuf
{
memcpy(m_stuffbuf + m_stuffbuf_u, b, len);
m_stuffbuf_u += len;
l = len;
}
if (l > len)l = len; // this shouldn't happen but we'll leave it here just in case
decode_pos_samples += (l / m_nch / (m_bps / 8));
if (mod.dsp_isactive())
{
static char sample_buffer[576*2*(16 / 8)*2];
int spll = l / m_nch / (m_bps / 8);
memcpy(sample_buffer, b, l);
int l2 = l;
if (spll > 0) l2 = mod.dsp_dosamples((short *)sample_buffer, spll, m_bps, m_nch, m_srate) * (m_nch * (m_bps / 8));
mod.outMod->Write(sample_buffer, l2);
}
else mod.outMod->Write(b, l);
len -= l;
b += l;
}
}
ULONGLONG getwritepos()
{
return (unsigned int) ((decode_pos_samples * 1000) / m_srate);
}
ULONGLONG getpos()
{
if (seek_needed != -1) return seek_needed;
return (unsigned int) ((decode_pos_samples * 1000) / m_srate) +
(mod.outMod->GetOutputTime() - mod.outMod->GetWrittenTime()) - config_vidoffs;
}
void flush(unsigned int newtime)
{
m_stuffbuf_u = 0;
mod.outMod->Flush(newtime);
decode_pos_samples = (((__int64)newtime) * m_srate) / 1000;
}
void pause(int pause)
{
mod.outMod->Pause(pause);
}
int get_open_success() { return m_open_success; }
int isplaying(void) { return mod.outMod->IsPlaying(); }
private:
__int64 decode_pos_samples; // current decoding position, in milliseconds.
int m_nch, m_bps;
int m_open_success;
int m_stuffbuf_u;
char m_stuffbuf[576*2*2];
};
IAudioOutput *PCMOUT_CREATE(unsigned int outfmt[8])
{
if (outfmt[1] && outfmt[2] && outfmt[3] && outfmt[0] == NSV_MAKETYPE('P', 'C', 'M', ' '))
{
WA2AudioOutput *r = new WA2AudioOutput(outfmt[1], outfmt[2], outfmt[3]);
if (r->get_open_success()) return r;
delete r;
}
return NULL;
}
DWORD WINAPI DecodeThread(LPVOID b); // the decode thread procedure
void about(HWND hwndParent)
{
do_about(hwndParent,WASABI_API_LNG_HINST);
}
void SetFileExtensions(void)
{
static char fileExtensionsString[1200] = {0}; // "NSV;NSA\0Nullsoft Audio/Video File (*.NSV;*.NSA)\0"
char* end = 0;
StringCchCopyExA(fileExtensionsString, 1200, "NSV;NSA", &end, 0, 0);
StringCchCopyExA(end+1, 1200, WASABI_API_LNGSTRING(IDS_NSA_NSV_FILE), 0, 0, 0);
mod.FileExtensions = fileExtensionsString;
}
int init()
{
if (!IsWindow(mod.hMainWindow))
return IN_INIT_FAILURE;
waServiceFactory *sf = mod.service->service_getServiceByGuid(AgaveConfigGUID);
if (sf) AGAVE_API_CONFIG = (api_config *)sf->getInterface();
sf = mod.service->service_getServiceByGuid(memMgrApiServiceGuid);
if (sf) WASABI_API_MEMMGR = reinterpret_cast<api_memmgr*>(sf->getInterface());
// loader so that we can get the localisation service api for use
sf = mod.service->service_getServiceByGuid(languageApiGUID);
if (sf) WASABI_API_LNG = reinterpret_cast<api_language*>(sf->getInterface());
// need to have this initialised before we try to do anything with localisation features
WASABI_API_START_LANG(mod.hDllInstance,InNSVLangGUID);
static wchar_t szDescription[256];
StringCchPrintfW(szDescription,256,WASABI_API_LNGSTRINGW(IDS_NULLSOFT_NSV_DECODER),PLUGIN_VERSION);
mod.description = (char*)szDescription;
SetFileExtensions();
config_read();
InitializeCriticalSection(&g_decoder_cs);
return IN_INIT_SUCCESS;
}
void quit()
{
Decoders_Quit();
DeleteCriticalSection(&g_decoder_cs);
waServiceFactory *sf = mod.service->service_getServiceByGuid(AgaveConfigGUID);
if (sf) sf->releaseInterface(AGAVE_API_CONFIG);
sf = mod.service->service_getServiceByGuid(memMgrApiServiceGuid);
if (sf) sf->releaseInterface(WASABI_API_MEMMGR);
}
int isourfile(const char *fn)
{
// used for detecting URL streams.. unused here.
// return !strncmp(fn,"http://",7); to detect HTTP streams, etc
return !_strnicmp( fn, "unsv://", 7 );
}
NSVDecoder *m_decoder = 0;
IVideoOutput *m_video_output = 0;
int g_play_needseek = -1;
int play(const char *fn)
{
m_last_bitrate = -1;
g_play_needseek = -1;
last_title_sent[0] = 0;
g_bufferstat = 0;
mod.is_seekable = 0;
has_opened_outmod = 0;
error_string[0] = 0;
if (!decoders_initted)
{
decoders_initted = 1;
char buf[MAX_PATH] = {0}, *p = buf;
GetModuleFileNameA(mod.hDllInstance, buf, sizeof(buf));
while (p && *p) p++;
while (p && p > buf && *p != '\\') p--;
if (p) *p = 0;
Decoders_Init(buf);
}
unsigned long thread_id = 0;
paused = 0;
seek_needed = -1;
EnterCriticalSection(&g_decoder_cs);
if (strstr(fn, "://"))
WASABI_API_LNGSTRING_BUF(IDS_CONNECTING,error_string,128);
else
WASABI_API_LNGSTRING_BUF(IDS_OPENING,error_string,128);
LeaveCriticalSection(&g_decoder_cs);
m_video_output = (IVideoOutput *)SendMessage(mod.hMainWindow, WM_USER, 0, IPC_GET_IVIDEOOUTPUT);
if (!m_video_output) return 1;
m_video_output->open(0, 0, 0, 0, 0);
m_decoder = new NSVDecoder(fn, m_video_output, NULL);
lstrcpynA(lastfn, fn, sizeof(lastfn));
if (strstr(fn, "://") || !strncmp(fn, "\\\\", 2))
{
m_decoder->SetPreciseSeeking(config_precseek&2);
m_decoder->SetBuffering(config_bufms, config_prebufms, config_underunbuf);
}
else
{
m_decoder->SetPreciseSeeking(config_precseek&1);
m_decoder->SetBuffering(config_bufms_f, config_prebufms_f, config_underunbuf_f);
}
// launch decode thread
killDecodeThread = 0;
thread_handle = (HANDLE)CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) DecodeThread, NULL, 0, &thread_id);
SetThreadPriority(thread_handle, (int)AGAVE_API_CONFIG->GetInt(playbackConfigGroupGUID, L"priority", THREAD_PRIORITY_HIGHEST));
return 0;
}
// standard pause implementation
void pause()
{
paused = 1;
// if (has_opened_outmod) mod.outMod->Pause(1);
// else
if (m_decoder) m_decoder->pause(1);
}
void unpause()
{
paused = 0;
// if (has_opened_outmod) mod.outMod->Pause(0);
//else
if (m_decoder) m_decoder->pause(0);
}
int ispaused() { return paused; }
// stop playing.
void stop()
{
g_play_needseek = -1;
if (thread_handle != INVALID_HANDLE_VALUE)
{
killDecodeThread = 1;
int nTimes = 0;
const int maxTimes = 1000;
while (WaitForSingleObject(thread_handle, 0) == WAIT_TIMEOUT)
{
MSG msg = {0};
if (PeekMessage(&msg, NULL, 0, 0, 1))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
Sleep(10);
nTimes++;
if (nTimes == maxTimes)
{
#ifdef WINAMPX
SendStatus( WINAMPX_STATUS_ERROR_KILLING_THREAD, 0 );
#else
/*MessageBox(mod.hMainWindow, "error asking thread to die!\n",
"error killing decode thread", 0);*/
#endif
TerminateThread(thread_handle, 0);
break;
}
}
CloseHandle(thread_handle);
thread_handle = INVALID_HANDLE_VALUE;
}
if (has_opened_outmod) mod.outMod->Close();
g_bufferstat = 0;
has_opened_outmod = 0;
mod.SAVSADeInit();
EnterCriticalSection(&g_decoder_cs);
delete(m_decoder);
m_decoder = NULL;
LeaveCriticalSection(&g_decoder_cs);
g_streaminfobuf[0] = 0;
}
int getlength()
{
if (m_decoder)
{
int x = m_decoder->getlen();
if (x != -1) return x;
}
return -1000;
}
int getoutputtime()
{
if (g_bufferstat) return (int)g_bufferstat;
EnterCriticalSection(&g_decoder_cs);
if (m_decoder)
{
LeaveCriticalSection(&g_decoder_cs);
return (int)(m_decoder ? m_decoder->getpos() + config_vidoffs : 0);
}
LeaveCriticalSection(&g_decoder_cs);
return 0;
}
void setoutputtime(int time_in_ms)
{
seek_needed = time_in_ms;
}
void setvolume(int volume) { mod.outMod->SetVolume(volume); }
void setpan(int pan) { mod.outMod->SetPan(pan); }
int infoDlg(const char *fn, HWND hwnd);
// this is an odd function. it is used to get the title and/or
// length of a track.
// if filename is either NULL or of length 0, it means you should
// return the info of lastfn. Otherwise, return the information
// for the file in filename.
// if title is NULL, no title is copied into it.
// if length_in_ms is NULL, no length is copied into it.
void getfileinfo(const char *filename, char *title, int *length_in_ms)
{
if (!filename || !*filename) // currently playing file
{
EnterCriticalSection(&g_decoder_cs);
if (length_in_ms) *length_in_ms = getlength();
if (title) // get non-path portion.of filename
{
char *p = NULL;
if (m_decoder)
{
p = m_decoder->getTitle();
}
if (!p)
{
p = lastfn + strlen(lastfn);
while (p && *p != '\\' && p >= lastfn) p--;
p++;
}
while (p && *p == ';') p++;
title[0] = 0;
if (error_string[0])
{
StringCchPrintfA(title, GETFILEINFO_TITLE_LENGTH, "[%s] ", error_string);
}
if (!error_string[0] && last_title_sent[0])
{
StringCchPrintfA(title, GETFILEINFO_TITLE_LENGTH-strlen(title), "%s (%s)", last_title_sent, p);
}
else
lstrcpynA(title + strlen(title), p, FILETITLE_SIZE);
}
LeaveCriticalSection(&g_decoder_cs);
}
else if (1) // some other file
{
if ((length_in_ms || title) && !strstr(filename, "://"))
{
nsv_InBS bs;
nsv_fileHeader hdr = {0, };
if (length_in_ms) // calculate length
{
*length_in_ms = -1000; // the default is unknown file length (-1000).
}
if (title) // get non path portion of filename
{
const char *p = filename + strlen(filename);
while (p && *p != '\\' && p >= filename) p--;
lstrcpynA(title, ++p, GETFILEINFO_TITLE_LENGTH);
}
IDataReader *rdr = CreateReader(filename);
if (rdr)
{
while (!rdr->iseof())
{
char buf[1024] = {0};
int l = (int)rdr->read(buf, sizeof(buf));
if (!l) break;
bs.add(buf, l);
l = nsv_readheader(bs, &hdr);
if (l <= 0)
{
if (!l)
{
if (length_in_ms) *length_in_ms = hdr.file_lenms;
if (title && hdr.metadata)
{
char *t = nsv_getmetadata(hdr.metadata, "TITLE");
if (t) lstrcpynA(title, t, 1024);
}
}
free(hdr.metadata);
free(hdr.toc);
break;
}
}
delete rdr;
}
// try to parse out lengths
}
}
}
void eq_set(int on, char data[10], int preamp)
{}
DWORD WINAPI DecodeThread(LPVOID b)
{
int last_bpos = -1;
int firstsynch = 0;
ULONGLONG next_status_time = 0;
while (!killDecodeThread)
{
EnterCriticalSection(&g_decoder_cs);
int r = m_decoder->run((int*)&killDecodeThread);
LeaveCriticalSection(&g_decoder_cs);
if (r < 0)
{
if (m_decoder->get_error())
{
EnterCriticalSection(&g_decoder_cs);
lstrcpynA(error_string, m_decoder->get_error(), sizeof(error_string));
LeaveCriticalSection(&g_decoder_cs);
PostMessage(mod.hMainWindow, WM_USER, 0, 243);
Sleep(200);
}
break;
}
else if (!r)
{
Sleep(1);
int br = m_decoder->getBitrate() / 1000;
if (br != m_last_bitrate)
{
m_last_bitrate = br;
mod.SetInfo(br, -1, -1, -1);
}
int bpos = m_decoder->getBufferPos();
if (bpos > 255)
{
ULONGLONG obuf = g_bufferstat;
g_bufferstat = 0;
if (last_bpos >= 0)
{
EnterCriticalSection(&g_decoder_cs);
error_string[0] = 0;
LeaveCriticalSection(&g_decoder_cs);
PostMessage(mod.hMainWindow, WM_USER, 0, 243);
last_bpos = -1;
int csa = mod.SAGetMode();
if (csa && obuf)
{
char tempdata[75*2] = {0, };
mod.SAAdd(tempdata, (int)++obuf, (csa == 3) ? 0x80000003 : csa);
}
}
}
else
{
if (!g_bufferstat)
{
if (!has_opened_outmod) mod.SAVSAInit(10, 44100);
g_bufferstat = m_decoder->getpos() + 1;
}
if (bpos != last_bpos)
{
last_bpos = bpos;
EnterCriticalSection(&g_decoder_cs);
StringCchPrintfA(error_string, 128, WASABI_API_LNGSTRING(IDS_BUFFER_X), (bpos*100) / 256);
LeaveCriticalSection(&g_decoder_cs);
int csa = mod.SAGetMode();
char tempdata[2*75] = {0, };
int x;
if (csa&1)
{
for (x = 0; x < bpos*75 / 256; x ++)
{
tempdata[x] = x * 16 / 75;
}
}
if (csa&2)
{
int offs = (csa & 1) ? 75 : 0;
x = 0;
while (x < bpos*75 / 256)
{
tempdata[offs + x++] = -6 + x * 14 / 75;
}
while (x < 75)
{
tempdata[offs + x++] = 0;
}
}
if (csa == 4)
{
tempdata[0] = tempdata[1] = (bpos * 127 / 256);
}
if (csa) mod.SAAdd(tempdata, (int)++g_bufferstat, (csa == 3) ? 0x80000003 : csa);
PostMessage(mod.hMainWindow, WM_USER, 0, 243);
}
}
if (GetTickCount64() > next_status_time || GetTickCount64() < next_status_time - 5000)
{
char statusbuf[1024] = {0};
EnterCriticalSection(&g_decoder_cs);
g_streaminfobuf[0] = 0;
if (g_streaminfobuf_used)
{
char *outp = g_streaminfobuf;
size_t size = 512;
const char *p = m_decoder->getServerHeader("server");
if (!p) p = m_decoder->getServerHeader("icy-notice2");
if (p && strlen(p) < sizeof(g_streaminfobuf) - (outp - g_streaminfobuf) - 32)
StringCchPrintfExA(outp, size, &outp, &size, 0, "%s: %s\r\n", WASABI_API_LNGSTRING(IDS_SERVER), p);
p = m_decoder->getServerHeader("content-type");
if (p && strlen(p) < sizeof(g_streaminfobuf) - (outp - g_streaminfobuf) - 32)
StringCchPrintfExA(outp, size, &outp, &size, 0, "%s: %s\r\n", WASABI_API_LNGSTRING(IDS_CONTENT_TYPE), p);
p = m_decoder->getServerHeader("content-length");
if (p && strlen(p) < sizeof(g_streaminfobuf) - (outp - g_streaminfobuf) - 32)
StringCchPrintfExA(outp, size, &outp, &size, 0, "%s: %s\r\n", WASABI_API_LNGSTRING(IDS_CONTENT_LENGTH), p);
p = m_decoder->getServerHeader("icy-name");
if (p && strlen(p) < sizeof(g_streaminfobuf) - (outp - g_streaminfobuf) - 32)
StringCchPrintfExA(outp, size, &outp, &size, 0, "%s: %s\r\n", WASABI_API_LNGSTRING(IDS_STREAM_NAME), p);
}
lstrcpynA(statusbuf, "NSV: ", 1024);
{ // codecs
char *sb = statusbuf;
size_t size = 1024;
int l = m_decoder->getlen();
if (l > 0)
{
l /= 1000;
if (l >= 3600)
{
StringCchPrintfExA(sb, size, &sb, &size, 0, "%d:", l / 3600);
l %= 3600;
StringCchPrintfExA(sb, size, &sb, &size, 0, "%02d:%02d", l / 60, l % 60);
}
else
StringCchPrintfExA(sb, size, &sb, &size, 0, "%d:%02d", l / 60, l % 60);
}
int a = (m_decoder->getBitrate() + 500) / 1000;
if (a)
{
if (strlen(statusbuf) > 5)
StringCchCatExA(sb, size, " @ ", &sb, &size, 0);
StringCchPrintfExA(sb, size, &sb, &size, 0, "%d%s", a, WASABI_API_LNGSTRING(IDS_KBPS));
}
if (strlen(statusbuf) > 5)
StringCchCatExA(sb, size, ", ", &sb, &size, 0);
char *p = statusbuf + strlen(statusbuf);
m_decoder->getVideoDesc(p);
if (p && !*p) StringCchCopyExA(p, size, "?, ", &p, &size, 0);
else if (!strncmp(p, "NONE", 4)) *p = 0;
else StringCchCatExA(p, size, ", ", &p, &size, 0);
p = statusbuf + strlen(statusbuf);
m_decoder->getAudioDesc(p);
if (p && !*p) StringCchCopyExA(p, size, "?", &p, &size, 0);
else if (!strncmp(p, "NONE", 4)) *p = 0;
}
LeaveCriticalSection(&g_decoder_cs);
m_video_output->extended(VIDUSER_SET_INFOSTRING, (intptr_t)statusbuf, 0);
next_status_time = GetTickCount64() + 2500;
}
}
else
{
if (!firstsynch)
{
if (m_decoder->canseek())
{
mod.is_seekable = 1;
if (g_play_needseek >= 0) seek_needed = g_play_needseek;
g_play_needseek = -1;
}
firstsynch++;
PostMessage(mod.hMainWindow, WM_USER, 0, 243);
}
}
if (seek_needed >= 0)
{
EnterCriticalSection(&g_decoder_cs);
m_decoder->seek(seek_needed);
seek_needed = -1;
LeaveCriticalSection(&g_decoder_cs);
}
}
if (!killDecodeThread)
{
PostMessage(mod.hMainWindow, WM_WA_MPEG_EOF, 0, 0);
}
m_decoder->CloseVideo();
return 0;
}
// module definition.
In_Module mod =
{
IN_VER_RET, // defined in IN2.H
"nullsoft(in_nsv.dll)",
0, // hMainWindow (filled in by winamp)
0, // hDllInstance (filled in by winamp)
0, // this is a double-null limited list. "EXT\0Description\0EXT\0Description\0" etc.
1, // is_seekable
1, // uses output plug-in system
config,
about,
init,
quit,
getfileinfo,
infoDlg,
isourfile,
play,
pause,
unpause,
ispaused,
stop,
getlength,
getoutputtime,
setoutputtime,
setvolume,
setpan,
0, 0, 0, 0, 0, 0, 0, 0, 0, // visualization calls filled in by winamp
0, 0, // dsp calls filled in by winamp
eq_set,
NULL, // setinfo call filled in by winamp
0 // out_mod filled in by winamp
};
static FILETIME ftLastWriteTime;
// is used to determine if the last write time of the file has changed when
// asked to get the metadata for the same cached file so we can update things
BOOL HasFileTimeChanged(const wchar_t *fn)
{
WIN32_FILE_ATTRIBUTE_DATA fileData = {0};
if (GetFileAttributesExW(fn, GetFileExInfoStandard, &fileData) == TRUE)
{
if(CompareFileTime(&ftLastWriteTime, &fileData.ftLastWriteTime))
{
ftLastWriteTime = fileData.ftLastWriteTime;
return TRUE;
}
}
return FALSE;
}
extern "C"
{
__declspec( dllexport ) In_Module * winampGetInModule2()
{
return &mod;
}
wchar_t lastextfn[1024] = {0};
// Keep track of file timestamp for file system change notification handling
FILETIME last_write_time = {0, 0};
static int valid;
static nsv_fileHeader hdr;
bool isFileChanged(const wchar_t* file)
{
WIN32_FIND_DATAW FindFileData = {0};
HANDLE hFind = FindFirstFileW(file, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
return true;
FindClose(hFind);
if ((last_write_time.dwHighDateTime ==
FindFileData.ftLastWriteTime.dwHighDateTime) &&
(last_write_time.dwLowDateTime ==
FindFileData.ftLastWriteTime.dwLowDateTime))
{
return false;
}
return true;
}
__declspec( dllexport ) int winampGetExtendedFileInfoW(const wchar_t *fn, const char *data, wchar_t *dest, int destlen)
{
if (!_stricmp(data, "type"))
{
if (!fn || !fn[0] || _wcsicmp(PathFindExtensionW(fn), L".nsa")) // if extension is NOT nsa
lstrcpyn(dest, L"1", destlen); //video
else
lstrcpyn(dest, L"0", destlen); // audio
return 1;
}
if (!fn || (fn && !fn[0]))
return 0;
if (!_stricmp(data, "family"))
{
int pID = -1;
LPCWSTR e = PathFindExtensionW(fn);
if (L'.' != *e) return 0;
e++;
DWORD lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, e, -1, L"NSV", -1)) pID = IDS_FAMILY_STRING_NSV;
if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, e, -1, L"NSA", -1)) pID = IDS_FAMILY_STRING_NSA;
if (pID != -1 && S_OK == StringCchCopyW(dest, destlen, WASABI_API_LNGSTRINGW(pID))) return 1;
return 0;
}
//the file name differs from the last file
//name but we need to check the time stamp too
if (_wcsicmp(fn, lastextfn) || isFileChanged(fn) || HasFileTimeChanged(fn))
{
free(hdr.metadata);
memset(&hdr, 0, sizeof(hdr));
valid = 0;
lstrcpyn(lastextfn, fn, ARRAYSIZE(lastextfn));
nsv_InBS bs;
IDataReader *rdr = CreateReader(AutoCharFn(lastextfn));
if (rdr)
{
while (!rdr->iseof())
{
char buf[1024] = {0};
int l = (int)rdr->read(buf, sizeof(buf));
if (!l) break;
bs.add(buf, l);
l = nsv_readheader(bs, &hdr);
if (l <= 0)
{
free(hdr.toc);
if (!l)
{
valid = 1;
//Save time stamp
WIN32_FIND_DATAW FindFileData = {0};
HANDLE hFind = FindFirstFileW(fn, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
{
last_write_time.dwHighDateTime = NULL;
last_write_time.dwLowDateTime = NULL;
}
else
{
last_write_time.dwHighDateTime = FindFileData.ftLastWriteTime.dwHighDateTime;
last_write_time.dwLowDateTime = FindFileData.ftLastWriteTime.dwLowDateTime;
FindClose(hFind);
}
break;
}
break;
}
}
delete rdr;
}
}
dest[0] = 0;
if (!valid)
{
return 0;
}
if (!_stricmp(data, "length"))
{
if (hdr.file_lenms > 0)
{
StringCchPrintfW(dest, destlen, L"%d", hdr.file_lenms);
}
}
else if (hdr.metadata)
{
const char *t = nsv_getmetadata(hdr.metadata, (char*)data);
if (t) lstrcpyn(dest, AutoWide(t), destlen);
}
return 1;
}
}
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