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/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjmedia-audiodev/errno.h>
#include <pj/string.h>
#include <pj/unicode.h>
#if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO
# include <portaudio.h>
#endif
#if PJMEDIA_AUDIO_DEV_HAS_WMME
# ifdef _MSC_VER
# pragma warning(push, 3)
# endif
# include <windows.h>
# include <mmsystem.h>
# ifdef _MSC_VER
# pragma warning(pop)
# endif
#endif
/* PJMEDIA-Audiodev's own error codes/messages
* MUST KEEP THIS ARRAY SORTED!!
* Message must be limited to 64 chars!
*/
#if defined(PJ_HAS_ERROR_STRING) && (PJ_HAS_ERROR_STRING != 0)
static const struct
{
int code;
const char *msg;
} err_str[] =
{
PJ_BUILD_ERR( PJMEDIA_EAUD_ERR, "Unspecified audio device error" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_SYSERR, "Unknown error from audio driver" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_INIT, "Audio subsystem not initialized" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_INVDEV, "Invalid audio device" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_NODEV, "Found no audio devices" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_NODEFDEV, "Unable to find default audio device" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_NOTREADY, "Audio device not ready" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_INVCAP, "Invalid or unsupported audio capability" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_INVOP, "Invalid or unsupported audio device operation" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_BADFORMAT, "Bad or invalid audio device format" ),
PJ_BUILD_ERR( PJMEDIA_EAUD_SAMPFORMAT, "Invalid audio device sample format"),
PJ_BUILD_ERR( PJMEDIA_EAUD_BADLATENCY, "Bad audio latency setting")
};
#endif /* PJ_HAS_ERROR_STRING */
/*
* pjmedia_audiodev_strerror()
*/
PJ_DEF(pj_str_t) pjmedia_audiodev_strerror(pj_status_t statcode,
char *buf, pj_size_t bufsize )
{
pj_str_t errstr;
#if defined(PJ_HAS_ERROR_STRING) && (PJ_HAS_ERROR_STRING != 0)
/* See if the error comes from Core Audio. */
#if PJMEDIA_AUDIO_DEV_HAS_COREAUDIO
if (statcode >= PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_START &&
statcode <= PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_END)
{
int ca_err = PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_START - statcode;
PJ_UNUSED_ARG(ca_err);
// TODO: create more helpful error messages
errstr.ptr = buf;
pj_strcpy2(&errstr, "Core audio error");
return errstr;
} else
#endif
/* See if the error comes from PortAudio. */
#if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO
if (statcode >= PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_START &&
statcode <= PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_END)
{
//int pa_err = statcode - PJMEDIA_ERRNO_FROM_PORTAUDIO(0);
int pa_err = PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_START - statcode;
pj_str_t msg;
msg.ptr = (char*)Pa_GetErrorText(pa_err);
msg.slen = pj_ansi_strlen(msg.ptr);
errstr.ptr = buf;
pj_strncpy_with_null(&errstr, &msg, bufsize);
return errstr;
} else
#endif /* PJMEDIA_SOUND_IMPLEMENTATION */
/* See if the error comes from WMME */
#if PJMEDIA_AUDIO_DEV_HAS_WMME
if ((statcode >= PJMEDIA_AUDIODEV_WMME_IN_ERROR_START &&
statcode < PJMEDIA_AUDIODEV_WMME_IN_ERROR_END) ||
(statcode >= PJMEDIA_AUDIODEV_WMME_OUT_ERROR_START &&
statcode < PJMEDIA_AUDIODEV_WMME_OUT_ERROR_END))
{
MMRESULT native_err, mr;
MMRESULT (WINAPI *waveGetErrText)(UINT mmrError, LPTSTR pszText, UINT cchText);
PJ_DECL_UNICODE_TEMP_BUF(wbuf, 80)
if (statcode >= PJMEDIA_AUDIODEV_WMME_IN_ERROR_START &&
statcode <= PJMEDIA_AUDIODEV_WMME_IN_ERROR_END)
{
native_err = statcode - PJMEDIA_AUDIODEV_WMME_IN_ERROR_START;
waveGetErrText = &waveInGetErrorText;
} else {
native_err = statcode - PJMEDIA_AUDIODEV_WMME_OUT_ERROR_START;
waveGetErrText = &waveOutGetErrorText;
}
#if PJ_NATIVE_STRING_IS_UNICODE
mr = (*waveGetErrText)(native_err, wbuf, PJ_ARRAY_SIZE(wbuf));
if (mr == MMSYSERR_NOERROR) {
int len = wcslen(wbuf);
pj_unicode_to_ansi(wbuf, len, buf, bufsize);
}
#else
mr = (*waveGetErrText)(native_err, buf, (UINT)bufsize);
#endif
if (mr==MMSYSERR_NOERROR) {
errstr.ptr = buf;
errstr.slen = pj_ansi_strlen(buf);
return errstr;
} else {
pj_ansi_snprintf(buf, bufsize, "MMSYSTEM native error %d",
native_err);
return pj_str(buf);
}
} else
#endif
/* See if the error comes from BDIMAD */
#if PJMEDIA_AUDIO_DEV_HAS_BDIMAD
if (statcode >= PJMEDIA_AUDIODEV_BDIMAD_ERROR_START &&
statcode < PJMEDIA_AUDIODEV_BDIMAD_ERROR_END)
{
pj_status_t native_err;
native_err = statcode - PJMEDIA_AUDIODEV_BDIMAD_ERROR_START;
pj_ansi_snprintf(buf, bufsize, "BDIMAD native error %d", native_err);
return pj_str(buf);
} else
#endif
/* Audiodev error */
if (statcode >= PJMEDIA_AUDIODEV_ERRNO_START &&
statcode < PJMEDIA_AUDIODEV_ERRNO_END)
{
/* Find the error in the table.
* Use binary search!
*/
int first = 0;
int n = PJ_ARRAY_SIZE(err_str);
while (n > 0) {
int half = n/2;
int mid = first + half;
if (err_str[mid].code < statcode) {
first = mid+1;
n -= (half+1);
} else if (err_str[mid].code > statcode) {
n = half;
} else {
first = mid;
break;
}
}
if (PJ_ARRAY_SIZE(err_str) && err_str[first].code == statcode) {
pj_str_t msg;
msg.ptr = (char*)err_str[first].msg;
msg.slen = pj_ansi_strlen(err_str[first].msg);
errstr.ptr = buf;
pj_strncpy_with_null(&errstr, &msg, bufsize);
return errstr;
}
}
#endif /* PJ_HAS_ERROR_STRING */
/* Error not found. */
errstr.ptr = buf;
errstr.slen = pj_ansi_snprintf(buf, bufsize,
"Unknown pjmedia-audiodev error %d",
statcode);
if (errstr.slen < 1 || errstr.slen >= (pj_ssize_t)bufsize)
errstr.slen = bufsize - 1;
return errstr;
}
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