// Date: 08/11/1999
// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
// CVSID: $Id$
+// wxWindows licence
// --------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "sndesd.cpp"
#pragma hdrstop
#endif
-#ifdef HAVE_ESD_H
-
// --------------------------------------------------------------------------
// MMedia headers
// --------------------------------------------------------------------------
// System headers
// --------------------------------------------------------------------------
+#ifdef HAVE_ESD_H
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#ifdef __WXGTK__
#include <gdk/gdk.h>
#endif
+#endif
// --------------------------------------------------------------------------
-#define MY_ESD_NAME "wxWindows/wxSoundStreamESD"
+#define MY_ESD_NAME "wxWidgets/wxSoundStreamESD"
// --------------------------------------------------------------------------
// wxSoundStreamESD: ESD sound driver
wxSoundStreamESD::wxSoundStreamESD(const wxString& hostname)
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return;
+#else
wxSoundFormatPcm pcm_default;
-
+
// First, we make some basic test: is there ESD on this computer ?
- m_esd_ok = FALSE;
-
+ m_esd_ok = false;
+
if (hostname.IsNull())
- m_fd_output = esd_play_stream(ESD_PLAY | ESD_STREAM, 22050,
+ m_fd_output = esd_play_stream(ESD_PLAY | ESD_STREAM, 22050,
hostname.mb_str(), MY_ESD_NAME);
else
- m_fd_output = esd_play_stream(ESD_PLAY | ESD_STREAM, 22050,
+ m_fd_output = esd_play_stream(ESD_PLAY | ESD_STREAM, 22050,
NULL, MY_ESD_NAME);
if (m_fd_output == -1) {
// Answer: no. We return with an error.
m_snderror = wxSOUND_INVDEV;
return;
}
-
+
// Close this unuseful stream.
esd_close(m_fd_output);
-
+
m_hostname = hostname;
-
+
// Set the default audio format
SetSoundFormat(pcm_default);
-
+
// Initialize some variable
m_snderror = wxSOUND_NOERROR;
- m_esd_stop = TRUE;
- m_q_filled = TRUE;
- m_esd_ok = TRUE;
+ m_esd_stop = true;
+ m_q_filled = true;
+ m_esd_ok = true;
m_fd_output= -1;
m_fd_input = -1;
+#endif // defined HAVE_ESD_H
}
wxSoundStreamESD::~wxSoundStreamESD()
{
+#ifdef HAVE_ESD_H
if (!m_esd_stop)
StopProduction();
+#endif // defined HAVE_ESD_H
}
// --------------------------------------------------------------------------
wxSoundStream& wxSoundStreamESD::Read(void *buffer, wxUint32 len)
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return *this;
+#else
int ret;
-
+
if (m_esd_stop) {
m_snderror = wxSOUND_NOTSTARTED;
return *this;
}
-
- m_lastcount = (wxUint32)ret = read(m_fd_input, buffer, len);
-
+
+ ret = read(m_fd_input, buffer, len);
+ m_lastcount = (wxUint32)ret;
+
if (ret < 0)
m_snderror = wxSOUND_IOERROR;
else
m_snderror = wxSOUND_NOERROR;
-
+
return *this;
+#endif // defined HAVE_ESD_H
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
wxSoundStream& wxSoundStreamESD::Write(const void *buffer, wxUint32 len)
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return *this;
+#else
int ret;
if (m_esd_stop) {
m_snderror = wxSOUND_NOTSTARTED;
return *this;
}
-
- m_lastcount = (wxUint32)ret = write(m_fd_output, buffer, len);
-
+
+ ret = write(m_fd_output, buffer, len);
+ m_lastcount = (wxUint32)ret;
+
if (ret < 0)
m_snderror = wxSOUND_IOERROR;
else
m_snderror = wxSOUND_NOERROR;
-
- m_q_filled = TRUE;
-
+
+ m_q_filled = true;
+
return *this;
+#endif // defined HAVE_ESD_H
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
bool wxSoundStreamESD::SetSoundFormat(const wxSoundFormatBase& format)
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return false;
+#else
wxSoundFormatPcm *pcm_format;
-
+
if (format.GetType() != wxSOUND_PCM) {
m_snderror = wxSOUND_INVFRMT;
- return FALSE;
+ return false;
}
if (!m_esd_ok) {
m_snderror = wxSOUND_INVDEV;
- return FALSE;
+ return false;
}
-
+
if (m_sndformat)
delete m_sndformat;
-
+
m_sndformat = format.Clone();
if (!m_sndformat) {
m_snderror = wxSOUND_MEMERROR;
- return FALSE;
+ return false;
}
pcm_format = (wxSoundFormatPcm *)m_sndformat;
-
+
// Detect the best format
DetectBest(pcm_format);
-
+
m_snderror = wxSOUND_NOERROR;
if (*pcm_format != format) {
m_snderror = wxSOUND_NOEXACT;
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
+#endif // defined HAVE_ESD_H
}
// --------------------------------------------------------------------------
// _wxSound_OSS_CBack (internal): it is called when the driver (ESD) is
// ready for a next buffer.
// --------------------------------------------------------------------------
-#ifdef __WXGTK__
+#if defined(__WXGTK__) && defined(HAVE_ESD_H)
static void _wxSound_OSS_CBack(gpointer data, int source,
GdkInputCondition condition)
{
wxSoundStreamESD *esd = (wxSoundStreamESD *)data;
-
+
switch (condition) {
case GDK_INPUT_READ:
esd->WakeUpEvt(wxSOUND_INPUT);
// --------------------------------------------------------------------------
void wxSoundStreamESD::WakeUpEvt(int evt)
{
- m_q_filled = FALSE;
+ m_q_filled = false;
OnSoundEvent(evt);
}
// --------------------------------------------------------------------------
bool wxSoundStreamESD::StartProduction(int evt)
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return false;
+#else
wxSoundFormatPcm *pcm;
int flag = 0;
if (!m_esd_ok) {
m_snderror = wxSOUND_INVDEV;
- return FALSE;
+ return false;
}
-
+
if (!m_esd_stop)
StopProduction();
-
+
pcm = (wxSoundFormatPcm *)m_sndformat;
-
+
flag |= (pcm->GetBPS() == 16) ? ESD_BITS16 : ESD_BITS8;
flag |= (pcm->GetChannels() == 2) ? ESD_STEREO : ESD_MONO;
-
+
if ((evt & wxSOUND_OUTPUT) != 0) {
flag |= ESD_PLAY | ESD_STREAM;
m_fd_output = esd_play_stream(flag, pcm->GetSampleRate(), NULL,
MY_ESD_NAME);
- }
-
+ }
+
if ((evt & wxSOUND_INPUT) != 0) {
flag |= ESD_RECORD | ESD_STREAM;
m_fd_input = esd_record_stream(flag, pcm->GetSampleRate(), NULL,
MY_ESD_NAME);
}
-
+
#ifdef __WXGTK__
if ((evt & wxSOUND_OUTPUT) != 0) {
m_tag_output = gdk_input_add(m_fd_output, GDK_INPUT_WRITE,
_wxSound_OSS_CBack, (gpointer)this);
}
#endif
-
- m_esd_stop = FALSE;
- m_q_filled = FALSE;
-
- return TRUE;
+
+ m_esd_stop = false;
+ m_q_filled = false;
+
+ return true;
+#endif // defined HAVE_ESD_H
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
bool wxSoundStreamESD::StopProduction()
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return false;
+#else
if (m_esd_stop)
- return FALSE;
-
+ return false;
+
if (m_fd_input != -1) {
esd_close(m_fd_input);
#ifdef __WXGTK__
gdk_input_remove(m_tag_output);
#endif
}
-
+
m_fd_input = -1;
m_fd_output= -1;
- m_esd_stop = TRUE;
- m_q_filled = TRUE;
- return TRUE;
+ m_esd_stop = true;
+ m_q_filled = true;
+ return true;
+#endif // defined HAVE_ESD_H
}
//
//
void wxSoundStreamESD::DetectBest(wxSoundFormatPcm *pcm)
{
+#ifndef HAVE_ESD_H
+ m_snderror = wxSOUND_INVDEV;
+ return;
+#else
wxSoundFormatPcm best_pcm;
// We change neither the number of channels nor the sample rate
// because ESD is clever.
-
+
best_pcm.SetSampleRate(pcm->GetSampleRate());
best_pcm.SetChannels(pcm->GetChannels());
-
+
// It supports 16 bits
if (pcm->GetBPS() >= 16)
best_pcm.SetBPS(16);
best_pcm.SetBPS(8);
best_pcm.SetOrder(wxLITTLE_ENDIAN);
- best_pcm.Signed(TRUE);
-
+ best_pcm.Signed(true);
+
// Finally recopy the new format
*pcm = best_pcm;
+#endif // defined HAVE_ESD_H
}
-#endif // HAVE_ESD_H
projects / wxWidgets.git / blobdiff