| /* $Id$ */ |
| /* |
| * 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); |
| |
| return errstr; |
| } |
| |