wxWidgets/contrib/samples/mmedia/mmbman.cpp
Michael Wetherell 69067986c1 Compilation fix for Cygwin
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34630 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-06-10 14:45:39 +00:00

536 lines
12 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: mmbman.cpp
// Purpose: Multimedia Board manager
// Author: Guilhem Lavaux, <guilhem.lavaux@libertysurf.fr>
// Modified by:
// Created: 13/02/2000
// RCS-ID: $Id$
// Copyright: (c) 2000, Guilhem Lavaux
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "mmbman.h"
#endif
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
// Personal headers
#include "wx/stream.h"
#include "wx/wfstream.h"
#include "wx/mmedia/sndbase.h"
#include "wx/mmedia/sndfile.h"
#include "wx/mmedia/sndwav.h"
#include "wx/mmedia/sndaiff.h"
#include "wx/mmedia/sndpcm.h"
#include "wx/mmedia/sndulaw.h"
#include "wx/mmedia/sndmsad.h"
#ifdef __UNIX__
#include "wx/mmedia/sndoss.h"
#include "wx/mmedia/sndesd.h"
#endif
#ifdef __WIN32__
#include "wx/mmedia/sndwin.h"
#endif
#include "wx/mmedia/vidbase.h"
#ifdef __UNIX__
#include "wx/mmedia/vidxanm.h"
#endif
#ifdef __WIN32__
#include "wx/mmedia/vidwin.h"
#endif
#include "mmboard.h"
#include "mmbman.h"
// ----------------------------------------------------------------------------
// Private class definitions
// ----------------------------------------------------------------------------
class MMBoardSoundFile: public MMBoardFile {
public:
MMBoardSoundFile(const wxString& filename);
~MMBoardSoundFile();
bool NeedWindow();
void SetWindow(wxWindow *window);
void Play();
void Pause();
void Resume();
void Stop();
MMBoardTime GetPosition();
MMBoardTime GetLength();
void SetPosition(MMBoardTime btime);
bool IsStopped();
bool IsPaused();
wxString GetStringType();
wxString GetStringInformation();
protected:
wxSoundFileStream *GetDecoder();
wxSoundStream *m_output_stream;
wxInputStream *m_input_stream;
wxSoundFileStream *m_file_stream;
MMBoardTime m_length;
wxUint8 m_file_type;
};
class MMBoardVideoFile: public MMBoardFile {
public:
MMBoardVideoFile(const wxString& filename);
~MMBoardVideoFile();
bool NeedWindow();
void SetWindow(wxWindow *window);
void Play();
void Pause();
void Resume();
void Stop();
MMBoardTime GetPosition();
MMBoardTime GetLength();
void SetPosition(MMBoardTime btime);
bool IsStopped();
bool IsPaused();
wxString GetStringType();
wxString GetStringInformation();
protected:
wxWindow *m_output_window;
wxVideoBaseDriver *m_video_driver;
};
// ----------------------------------------------------------------------------
// Implementation
// ----------------------------------------------------------------------------
#define MMBoard_UNKNOWNTYPE 0
#define MMBoard_WAVE 1
#define MMBoard_AIFF 2
// ----------------------------------------------------------------------------
// MMBoardSoundFile
MMBoardSoundFile::MMBoardSoundFile(const wxString& filename)
: MMBoardFile()
{
m_input_stream = new wxFileInputStream(filename);
m_output_stream = MMBoardManager::OpenSoundStream();
m_file_stream = GetDecoder();
if (!m_file_stream) {
SetError(MMBoard_UnknownFile);
return;
}
// Compute length
wxUint32 length, seconds;
length = m_file_stream->GetLength();
seconds = m_file_stream->GetSoundFormat().GetTimeFromBytes(length);
m_length.seconds = seconds % 60;
m_length.minutes = (seconds / 60) % 60;
m_length.hours = seconds / 3600;
}
MMBoardSoundFile::~MMBoardSoundFile()
{
if (m_file_stream)
delete m_file_stream;
MMBoardManager::UnrefSoundStream(m_output_stream);
delete m_input_stream;
}
wxSoundFileStream *MMBoardSoundFile::GetDecoder()
{
wxSoundFileStream *f_stream;
// First, we try a Wave decoder
f_stream = new wxSoundWave(*m_input_stream, *m_output_stream);
m_file_type = MMBoard_WAVE;
if (f_stream->CanRead())
return f_stream;
delete f_stream;
// Then, a AIFF decoder
f_stream = new wxSoundAiff(*m_input_stream, *m_output_stream);
m_file_type = MMBoard_AIFF;
if (f_stream->CanRead())
return f_stream;
delete f_stream;
m_file_type = MMBoard_UNKNOWNTYPE;
// TODO: automate
return NULL;
}
MMBoardTime MMBoardSoundFile::GetLength()
{
return m_length;
}
bool MMBoardSoundFile::IsStopped()
{
return m_file_stream->IsStopped();
}
bool MMBoardSoundFile::IsPaused()
{
return m_file_stream->IsPaused();
}
MMBoardTime MMBoardSoundFile::GetPosition()
{
wxUint32 length, seconds;
MMBoardTime file_time;
file_time.seconds = file_time.minutes = file_time.hours = 0;
if (m_file_stream->IsStopped())
return file_time;
length = m_file_stream->GetPosition();
seconds = m_file_stream->GetSoundFormat().GetTimeFromBytes(length);
file_time.seconds = seconds % 60;
file_time.minutes = (seconds / 60) % 60;
file_time.hours = seconds / 3600;
return file_time;
}
void MMBoardSoundFile::SetPosition(MMBoardTime btime)
{
wxUint32 itime;
itime = btime.seconds + btime.minutes * 60 + btime.hours;
m_file_stream->SetPosition(
m_file_stream->GetSoundFormat().GetBytesFromTime(itime)
);
}
bool MMBoardSoundFile::NeedWindow()
{
return false;
}
void MMBoardSoundFile::SetWindow(wxWindow *WXUNUSED(window))
{
}
void MMBoardSoundFile::Play()
{
m_file_stream->Play();
}
void MMBoardSoundFile::Pause()
{
m_file_stream->Pause();
}
void MMBoardSoundFile::Resume()
{
m_file_stream->Resume();
}
void MMBoardSoundFile::Stop()
{
m_file_stream->Stop();
}
wxString MMBoardSoundFile::GetStringType()
{
switch (m_file_type) {
case MMBoard_WAVE:
return wxString(wxT("WAVE file"));
#if 0
// break is not reachable after return
break;
#endif
case MMBoard_AIFF:
return wxString(wxT("AIFF file"));
#if 0
// break is not reachable after return
break;
#endif
#if 0
// default moved outside switch for those compilers
// which complain about lack of return in function
default:
return wxString(wxT("Unknown file"));
break;
#endif
}
return wxString(wxT("Unknown file"));
}
wxString MMBoardSoundFile::GetStringInformation()
{
wxString info;
wxSoundFormatBase *format;
format = &(m_file_stream->GetSoundFormat());
info = wxT("Data encoding: ");
switch (format->GetType()) {
case wxSOUND_PCM: {
wxSoundFormatPcm *pcm_format = (wxSoundFormatPcm *)format;
info += wxString::Format(wxT("PCM %s %s\n"),
pcm_format->Signed() ? wxT("signed") : wxT("unsigned"),
pcm_format->GetOrder() == wxLITTLE_ENDIAN ? wxT("little endian") : wxT("big endian"));
info += wxString::Format(wxT("Sampling rate: %d\n")
wxT("Bits per sample: %d\n")
wxT("Number of channels: %d\n"),
pcm_format->GetSampleRate(),
pcm_format->GetBPS(),
pcm_format->GetChannels());
break;
}
case wxSOUND_MSADPCM: {
wxSoundFormatMSAdpcm *adpcm_format = (wxSoundFormatMSAdpcm *)format;
info += wxString::Format(wxT("Microsoft ADPCM\n"));
info += wxString::Format(wxT("Sampling Rate: %d\n")
wxT("Number of channels: %d\n"),
adpcm_format->GetSampleRate(),
adpcm_format->GetChannels());
break;
}
case wxSOUND_ULAW: {
wxSoundFormatUlaw *ulaw_format = (wxSoundFormatUlaw *)format;
info += wxT("ULAW\n");
info += wxString::Format(wxT("Sampling rate: %d\n"), ulaw_format->GetSampleRate());
break;
}
default:
info += wxT("Unknown");
break;
}
return info;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// MMBoardVideoFile
MMBoardVideoFile::MMBoardVideoFile(const wxString& filename)
{
m_output_window = NULL;
#if defined(__UNIX__) && !defined(__CYGWIN__)
m_video_driver = new wxVideoXANIM(filename);
#elif defined(__WINDOWS__) && !defined(__MINGW32__) && !defined(__WATCOMC__) && !defined(__CYGWIN__)
// versions of Open Watcom and MinGW tested against this source does not
// deliver "digitalv.h" required in this feature
m_video_driver = new wxVideoWindows(filename);
#else
wxUnusedVar(filename);
m_video_driver = NULL;
SetError(MMBoard_UnknownFile);
#endif
}
MMBoardVideoFile::~MMBoardVideoFile()
{
if (m_video_driver)
delete m_video_driver;
}
bool MMBoardVideoFile::NeedWindow()
{
return true;
}
void MMBoardVideoFile::SetWindow(wxWindow *window)
{
m_output_window = window;
m_video_driver->AttachOutput(*window);
wxSize size;
m_video_driver->GetSize(size);
window->SetSize(size);
// BAD BAD
// and we remove
// window->GetParent()->GetSizer()->Fit(window->GetParent());
}
void MMBoardVideoFile::Play()
{
m_video_driver->Play();
}
void MMBoardVideoFile::Pause()
{
m_video_driver->Pause();
}
void MMBoardVideoFile::Resume()
{
m_video_driver->Resume();
}
void MMBoardVideoFile::Stop()
{
m_video_driver->Stop();
}
MMBoardTime MMBoardVideoFile::GetPosition()
{
MMBoardTime btime;
btime.seconds = btime.minutes = btime.hours = 0;
return btime;
}
MMBoardTime MMBoardVideoFile::GetLength()
{
MMBoardTime btime;
int frameTime;
frameTime = (int)( m_video_driver->GetNbFrames() / m_video_driver->GetFrameRate());
btime.seconds = frameTime % 60;
btime.minutes = (frameTime / 60) % 60;
btime.hours = frameTime / 3600;
return btime;
}
void MMBoardVideoFile::SetPosition(MMBoardTime WXUNUSED(btime))
{
}
bool MMBoardVideoFile::IsStopped()
{
return m_video_driver->IsStopped();
}
bool MMBoardVideoFile::IsPaused()
{
return m_video_driver->IsPaused();
}
wxString MMBoardVideoFile::GetStringType()
{
return wxString(wxT("Video XANIM"));
}
wxString MMBoardVideoFile::GetStringInformation()
{
wxString info;
info = wxT("Video codec: ");
info += m_video_driver->GetMovieCodec() + _T("\n");
info += wxT("Audio codec: ");
info += m_video_driver->GetAudioCodec();
info += wxString::Format(_T(" Sample rate: %d Channels: %d\n"), m_video_driver->GetSampleRate(),
m_video_driver->GetBPS());
info += wxString::Format(_T(" Frame rate: %.01f"), m_video_driver->GetFrameRate());
return info;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// MMBoardFile
MMBoardFile::MMBoardFile()
{
m_error = 0;
}
MMBoardFile::~MMBoardFile()
{
}
//
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// MMBoardManager
MMBoardFile *MMBoardManager::Open(const wxString& filename)
{
MMBoardFile *file;
// Test the audio codec
file = new MMBoardSoundFile(filename);
if (!file->GetError())
return file;
delete file;
// Test the video codec
file = new MMBoardVideoFile(filename);
if (!file->GetError())
return file;
delete file;
// Arrrgh, we just could not see what is that file ...
return NULL;
}
DECLARE_APP(MMBoardApp)
wxSoundStream *MMBoardManager::OpenSoundStream()
{
#ifdef __WIN32__
if ((wxGetApp().m_caps & MM_SOUND_WIN) != 0)
return new wxSoundStreamWin();
#elif __UNIX__
if ((wxGetApp().m_caps & MM_SOUND_ESD) != 0)
return new wxSoundStreamESD();
if ((wxGetApp().m_caps & MM_SOUND_OSS) != 0)
return new wxSoundStreamOSS();
#endif
wxMessageBox(_T("You are trying to open a multimedia but you have not devices"), _T("Error"), wxOK | wxICON_ERROR, NULL);
return NULL;
}
void MMBoardManager::UnrefSoundStream(wxSoundStream *stream)
{
delete stream;
}
// ----------------------------------------------------------------------------