/* $Id$ */ /* * 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 #include #include #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO # include #endif #if PJMEDIA_AUDIO_DEV_HAS_WMME # ifdef _MSC_VER # pragma warning(push, 3) # endif # include # include # 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; }