diff options
Diffstat (limited to 'pjmedia/src/pjmedia-audiodev/errno.c')
| -rw-r--r-- | pjmedia/src/pjmedia-audiodev/errno.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-audiodev/errno.c b/pjmedia/src/pjmedia-audiodev/errno.c new file mode 100644 index 00000000..28522490 --- /dev/null +++ b/pjmedia/src/pjmedia-audiodev/errno.c @@ -0,0 +1,190 @@ +/* $Id$ */ +/* + * Copyright (C) 2008-2009 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 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, 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 + + /* 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); + + return errstr; +} + |