| /* $Id$ */ |
| /* |
| * Copyright (C) 2009-2011 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/audiodev_imp.h> |
| #include <pjmedia-audiodev/errno.h> |
| #include <pjmedia/alaw_ulaw.h> |
| #include <pjmedia/resample.h> |
| #include <pjmedia/stereo.h> |
| #include <pj/assert.h> |
| #include <pj/log.h> |
| #include <pj/math.h> |
| #include <pj/os.h> |
| #include <pj/string.h> |
| |
| #if PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS |
| |
| /* VAS headers */ |
| #include <VoIPUtilityFactory.h> |
| #include <VoIPDownlinkStream.h> |
| #include <VoIPUplinkStream.h> |
| #include <VoIPFormatIntfc.h> |
| #include <VoIPG711DecoderIntfc.h> |
| #include <VoIPG711EncoderIntfc.h> |
| #include <VoIPG729DecoderIntfc.h> |
| #include <VoIPILBCDecoderIntfc.h> |
| #include <VoIPILBCEncoderIntfc.h> |
| |
| /* AMR helper */ |
| #include <pjmedia-codec/amr_helper.h> |
| |
| /* Pack/unpack G.729 frame of S60 DSP codec, taken from: |
| * http://wiki.forum.nokia.com/index.php/TSS000776_-_Payload_conversion_for_G.729_audio_format |
| */ |
| #include "s60_g729_bitstream.h" |
| |
| |
| #define THIS_FILE "symb_vas_dev.c" |
| #define BITS_PER_SAMPLE 16 |
| |
| |
| /* When this macro is set, VAS will use EPCM16 format for PCM input/output, |
| * otherwise VAS will use EG711 then transcode it to PCM. |
| * Note that using native EPCM16 format may introduce (much) delay. |
| */ |
| //#define USE_NATIVE_PCM |
| |
| #if 1 |
| # define TRACE_(st) PJ_LOG(3, st) |
| #else |
| # define TRACE_(st) |
| #endif |
| |
| /* VAS G.711 frame length */ |
| static pj_uint8_t vas_g711_frame_len; |
| |
| |
| /* VAS factory */ |
| struct vas_factory |
| { |
| pjmedia_aud_dev_factory base; |
| pj_pool_t *pool; |
| pj_pool_factory *pf; |
| pjmedia_aud_dev_info dev_info; |
| }; |
| |
| |
| /* Forward declaration of CPjAudioEngine */ |
| class CPjAudioEngine; |
| |
| |
| /* VAS stream. */ |
| struct vas_stream |
| { |
| // Base |
| pjmedia_aud_stream base; /**< Base class. */ |
| |
| // Pool |
| pj_pool_t *pool; /**< Memory pool. */ |
| |
| // Common settings. |
| pjmedia_aud_param param; /**< Stream param. */ |
| pjmedia_aud_rec_cb rec_cb; /**< Record callback. */ |
| pjmedia_aud_play_cb play_cb; /**< Playback callback. */ |
| void *user_data; /**< Application data. */ |
| |
| // Audio engine |
| CPjAudioEngine *engine; /**< Internal engine. */ |
| |
| pj_timestamp ts_play; /**< Playback timestamp.*/ |
| pj_timestamp ts_rec; /**< Record timestamp. */ |
| |
| pj_int16_t *play_buf; /**< Playback buffer. */ |
| pj_uint16_t play_buf_len; /**< Playback buffer length. */ |
| pj_uint16_t play_buf_start; /**< Playback buffer start index. */ |
| pj_int16_t *rec_buf; /**< Record buffer. */ |
| pj_uint16_t rec_buf_len; /**< Record buffer length. */ |
| void *strm_data; /**< Stream data. */ |
| |
| /* Resampling is needed, in case audio device is opened with clock rate |
| * other than 8kHz (only for PCM format). |
| */ |
| pjmedia_resample *play_resample; /**< Resampler for playback. */ |
| pjmedia_resample *rec_resample; /**< Resampler for recording */ |
| pj_uint16_t resample_factor; /**< Resample factor, requested |
| clock rate / 8000 */ |
| |
| /* When stream is working in PCM format, where the samples may need to be |
| * resampled from/to different clock rate and/or channel count, PCM buffer |
| * is needed to perform such resampling operations. |
| */ |
| pj_int16_t *pcm_buf; /**< PCM buffer. */ |
| }; |
| |
| |
| /* Prototypes */ |
| static pj_status_t factory_init(pjmedia_aud_dev_factory *f); |
| static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f); |
| static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f); |
| static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f); |
| static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| unsigned index, |
| pjmedia_aud_dev_info *info); |
| static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| unsigned index, |
| pjmedia_aud_param *param); |
| static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| const pjmedia_aud_param *param, |
| pjmedia_aud_rec_cb rec_cb, |
| pjmedia_aud_play_cb play_cb, |
| void *user_data, |
| pjmedia_aud_stream **p_aud_strm); |
| |
| static pj_status_t stream_get_param(pjmedia_aud_stream *strm, |
| pjmedia_aud_param *param); |
| static pj_status_t stream_get_cap(pjmedia_aud_stream *strm, |
| pjmedia_aud_dev_cap cap, |
| void *value); |
| static pj_status_t stream_set_cap(pjmedia_aud_stream *strm, |
| pjmedia_aud_dev_cap cap, |
| const void *value); |
| static pj_status_t stream_start(pjmedia_aud_stream *strm); |
| static pj_status_t stream_stop(pjmedia_aud_stream *strm); |
| static pj_status_t stream_destroy(pjmedia_aud_stream *strm); |
| |
| |
| /* Operations */ |
| static pjmedia_aud_dev_factory_op factory_op = |
| { |
| &factory_init, |
| &factory_destroy, |
| &factory_get_dev_count, |
| &factory_get_dev_info, |
| &factory_default_param, |
| &factory_create_stream, |
| &factory_refresh |
| }; |
| |
| static pjmedia_aud_stream_op stream_op = |
| { |
| &stream_get_param, |
| &stream_get_cap, |
| &stream_set_cap, |
| &stream_start, |
| &stream_stop, |
| &stream_destroy |
| }; |
| |
| |
| /**************************************************************************** |
| * Internal VAS Engine |
| */ |
| |
| /* |
| * Utility: print sound device error |
| */ |
| static void snd_perror(const char *title, TInt rc) |
| { |
| PJ_LOG(1,(THIS_FILE, "%s (error code=%d)", title, rc)); |
| } |
| |
| typedef void(*PjAudioCallback)(CVoIPDataBuffer *buf, void *user_data); |
| |
| /* |
| * Audio setting for CPjAudioEngine. |
| */ |
| class CPjAudioSetting |
| { |
| public: |
| TVoIPCodecFormat format; |
| TInt mode; |
| TBool plc; |
| TBool vad; |
| TBool cng; |
| TBool loudspk; |
| }; |
| |
| /* |
| * Implementation: Symbian Input & Output Stream. |
| */ |
| class CPjAudioEngine : public CBase, |
| public MVoIPDownlinkObserver, |
| public MVoIPUplinkObserver, |
| public MVoIPFormatObserver |
| { |
| public: |
| enum State |
| { |
| STATE_NULL, |
| STATE_STARTING, |
| STATE_READY, |
| STATE_STREAMING |
| }; |
| |
| ~CPjAudioEngine(); |
| |
| static CPjAudioEngine *NewL(struct vas_stream *parent_strm, |
| PjAudioCallback rec_cb, |
| PjAudioCallback play_cb, |
| void *user_data, |
| const CPjAudioSetting &setting); |
| |
| TInt Start(); |
| void Stop(); |
| |
| TInt ActivateSpeaker(TBool active); |
| |
| TInt SetVolume(TInt vol) { return iVoIPDnlink->SetVolume(vol); } |
| TInt GetVolume() { TInt vol;iVoIPDnlink->GetVolume(vol);return vol; } |
| TInt GetMaxVolume() { TInt vol;iVoIPDnlink->GetMaxVolume(vol);return vol; } |
| |
| TInt SetGain(TInt gain) { return iVoIPUplink->SetGain(gain); } |
| TInt GetGain() { TInt gain;iVoIPUplink->GetGain(gain);return gain; } |
| TInt GetMaxGain() { TInt gain;iVoIPUplink->GetMaxGain(gain);return gain; } |
| |
| TBool IsStarted(); |
| |
| private: |
| CPjAudioEngine(struct vas_stream *parent_strm, |
| PjAudioCallback rec_cb, |
| PjAudioCallback play_cb, |
| void *user_data, |
| const CPjAudioSetting &setting); |
| void ConstructL(); |
| |
| TInt InitPlay(); |
| TInt InitRec(); |
| |
| TInt StartPlay(); |
| TInt StartRec(); |
| |
| // From MVoIPDownlinkObserver |
| void FillBuffer(const CVoIPAudioDownlinkStream& aSrc, |
| CVoIPDataBuffer* aBuffer); |
| void Event(const CVoIPAudioDownlinkStream& aSrc, |
| TInt aEventType, |
| TInt aError); |
| |
| // From MVoIPUplinkObserver |
| void EmptyBuffer(const CVoIPAudioUplinkStream& aSrc, |
| CVoIPDataBuffer* aBuffer); |
| void Event(const CVoIPAudioUplinkStream& aSrc, |
| TInt aEventType, |
| TInt aError); |
| |
| // From MVoIPFormatObserver |
| void Event(const CVoIPFormatIntfc& aSrc, TInt aEventType); |
| |
| State dn_state_; |
| State up_state_; |
| struct vas_stream *parentStrm_; |
| CPjAudioSetting setting_; |
| PjAudioCallback rec_cb_; |
| PjAudioCallback play_cb_; |
| void *user_data_; |
| |
| // VAS objects |
| CVoIPUtilityFactory *iFactory; |
| CVoIPAudioDownlinkStream *iVoIPDnlink; |
| CVoIPAudioUplinkStream *iVoIPUplink; |
| CVoIPFormatIntfc *enc_fmt_if; |
| CVoIPFormatIntfc *dec_fmt_if; |
| }; |
| |
| |
| CPjAudioEngine* CPjAudioEngine::NewL(struct vas_stream *parent_strm, |
| PjAudioCallback rec_cb, |
| PjAudioCallback play_cb, |
| void *user_data, |
| const CPjAudioSetting &setting) |
| { |
| CPjAudioEngine* self = new (ELeave) CPjAudioEngine(parent_strm, |
| rec_cb, play_cb, |
| user_data, |
| setting); |
| CleanupStack::PushL(self); |
| self->ConstructL(); |
| CleanupStack::Pop(self); |
| return self; |
| } |
| |
| void CPjAudioEngine::ConstructL() |
| { |
| TInt err; |
| const TVersion ver(1, 0, 0); /* Not really used at this time */ |
| |
| err = CVoIPUtilityFactory::CreateFactory(iFactory); |
| User::LeaveIfError(err); |
| |
| if (parentStrm_->param.dir != PJMEDIA_DIR_CAPTURE) { |
| err = iFactory->CreateDownlinkStream(ver, |
| CVoIPUtilityFactory::EVoIPCall, |
| iVoIPDnlink); |
| User::LeaveIfError(err); |
| } |
| |
| if (parentStrm_->param.dir != PJMEDIA_DIR_PLAYBACK) { |
| err = iFactory->CreateUplinkStream(ver, |
| CVoIPUtilityFactory::EVoIPCall, |
| iVoIPUplink); |
| User::LeaveIfError(err); |
| } |
| } |
| |
| CPjAudioEngine::CPjAudioEngine(struct vas_stream *parent_strm, |
| PjAudioCallback rec_cb, |
| PjAudioCallback play_cb, |
| void *user_data, |
| const CPjAudioSetting &setting) |
| : dn_state_(STATE_NULL), |
| up_state_(STATE_NULL), |
| parentStrm_(parent_strm), |
| setting_(setting), |
| rec_cb_(rec_cb), |
| play_cb_(play_cb), |
| user_data_(user_data), |
| iFactory(NULL), |
| iVoIPDnlink(NULL), |
| iVoIPUplink(NULL), |
| enc_fmt_if(NULL), |
| dec_fmt_if(NULL) |
| { |
| } |
| |
| CPjAudioEngine::~CPjAudioEngine() |
| { |
| Stop(); |
| |
| if (iVoIPUplink) |
| iVoIPUplink->Close(); |
| |
| if (iVoIPDnlink) |
| iVoIPDnlink->Close(); |
| |
| delete enc_fmt_if; |
| delete dec_fmt_if; |
| delete iVoIPDnlink; |
| delete iVoIPUplink; |
| delete iFactory; |
| |
| TRACE_((THIS_FILE, "Sound device destroyed")); |
| } |
| |
| TBool CPjAudioEngine::IsStarted() |
| { |
| return ((((parentStrm_->param.dir & PJMEDIA_DIR_CAPTURE) == 0) || |
| up_state_ == STATE_STREAMING) && |
| (((parentStrm_->param.dir & PJMEDIA_DIR_PLAYBACK) == 0) || |
| dn_state_ == STATE_STREAMING)); |
| } |
| |
| TInt CPjAudioEngine::InitPlay() |
| { |
| TInt err; |
| |
| pj_assert(iVoIPDnlink); |
| |
| delete dec_fmt_if; |
| dec_fmt_if = NULL; |
| err = iVoIPDnlink->SetFormat(setting_.format, dec_fmt_if); |
| if (err != KErrNone) |
| return err; |
| |
| err = dec_fmt_if->SetObserver(*this); |
| if (err != KErrNone) |
| return err; |
| |
| return iVoIPDnlink->Open(*this); |
| } |
| |
| TInt CPjAudioEngine::InitRec() |
| { |
| TInt err; |
| |
| pj_assert(iVoIPUplink); |
| |
| delete enc_fmt_if; |
| enc_fmt_if = NULL; |
| err = iVoIPUplink->SetFormat(setting_.format, enc_fmt_if); |
| if (err != KErrNone) |
| return err; |
| |
| err = enc_fmt_if->SetObserver(*this); |
| if (err != KErrNone) |
| return err; |
| |
| return iVoIPUplink->Open(*this); |
| } |
| |
| TInt CPjAudioEngine::StartPlay() |
| { |
| TInt err = KErrNone; |
| |
| pj_assert(iVoIPDnlink); |
| pj_assert(dn_state_ == STATE_READY); |
| |
| /* Configure specific codec setting */ |
| switch (setting_.format) { |
| case EG711: |
| { |
| CVoIPG711DecoderIntfc *g711dec_if = (CVoIPG711DecoderIntfc*) |
| dec_fmt_if; |
| err = g711dec_if->SetMode((CVoIPFormatIntfc::TG711CodecMode) |
| setting_.mode); |
| } |
| break; |
| |
| case EILBC: |
| { |
| CVoIPILBCDecoderIntfc *ilbcdec_if = (CVoIPILBCDecoderIntfc*) |
| dec_fmt_if; |
| err = ilbcdec_if->SetMode((CVoIPFormatIntfc::TILBCCodecMode) |
| setting_.mode); |
| } |
| break; |
| |
| case EAMR_NB: |
| /* Ticket #1008: AMR playback issue on few devices, e.g: E72, E52 */ |
| err = dec_fmt_if->SetFrameMode(ETrue); |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (err != KErrNone) |
| goto on_return; |
| |
| /* Configure audio routing */ |
| ActivateSpeaker(setting_.loudspk); |
| |
| /* Start player */ |
| err = iVoIPDnlink->Start(); |
| |
| on_return: |
| if (err == KErrNone) { |
| dn_state_ = STATE_STREAMING; |
| TRACE_((THIS_FILE, "Downlink started")); |
| } else { |
| snd_perror("Failed starting downlink", err); |
| } |
| |
| return err; |
| } |
| |
| TInt CPjAudioEngine::StartRec() |
| { |
| TInt err = KErrNone; |
| |
| pj_assert(iVoIPUplink); |
| pj_assert(up_state_ == STATE_READY); |
| |
| /* Configure specific codec setting */ |
| switch (setting_.format) { |
| case EG711: |
| { |
| CVoIPG711EncoderIntfc *g711enc_if = (CVoIPG711EncoderIntfc*) |
| enc_fmt_if; |
| err = g711enc_if->SetMode((CVoIPFormatIntfc::TG711CodecMode) |
| setting_.mode); |
| } |
| break; |
| |
| case EILBC: |
| { |
| CVoIPILBCEncoderIntfc *ilbcenc_if = (CVoIPILBCEncoderIntfc*) |
| enc_fmt_if; |
| err = ilbcenc_if->SetMode((CVoIPFormatIntfc::TILBCCodecMode) |
| setting_.mode); |
| } |
| break; |
| |
| case EAMR_NB: |
| err = enc_fmt_if->SetBitRate(setting_.mode); |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (err != KErrNone) |
| goto on_return; |
| |
| /* Configure general codec setting */ |
| enc_fmt_if->SetVAD(setting_.vad); |
| |
| /* Start recorder */ |
| err = iVoIPUplink->Start(); |
| |
| on_return: |
| if (err == KErrNone) { |
| up_state_ = STATE_STREAMING; |
| TRACE_((THIS_FILE, "Uplink started")); |
| } else { |
| snd_perror("Failed starting uplink", err); |
| } |
| |
| return err; |
| } |
| |
| TInt CPjAudioEngine::Start() |
| { |
| TInt err = KErrNone; |
| |
| if (iVoIPDnlink) { |
| switch(dn_state_) { |
| case STATE_READY: |
| err = StartPlay(); |
| break; |
| case STATE_NULL: |
| err = InitPlay(); |
| if (err != KErrNone) |
| return err; |
| dn_state_ = STATE_STARTING; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (iVoIPUplink) { |
| switch(up_state_) { |
| case STATE_READY: |
| err = StartRec(); |
| break; |
| case STATE_NULL: |
| err = InitRec(); |
| if (err != KErrNone) |
| return err; |
| up_state_ = STATE_STARTING; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| return err; |
| } |
| |
| void CPjAudioEngine::Stop() |
| { |
| if (iVoIPDnlink) { |
| switch(dn_state_) { |
| case STATE_STREAMING: |
| iVoIPDnlink->Stop(); |
| dn_state_ = STATE_READY; |
| break; |
| case STATE_STARTING: |
| dn_state_ = STATE_NULL; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (iVoIPUplink) { |
| switch(up_state_) { |
| case STATE_STREAMING: |
| iVoIPUplink->Stop(); |
| up_state_ = STATE_READY; |
| break; |
| case STATE_STARTING: |
| up_state_ = STATE_NULL; |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| |
| TInt CPjAudioEngine::ActivateSpeaker(TBool active) |
| { |
| TInt err = KErrNotSupported; |
| |
| if (iVoIPDnlink) { |
| err = iVoIPDnlink->SetAudioDevice(active? |
| CVoIPAudioDownlinkStream::ELoudSpeaker : |
| CVoIPAudioDownlinkStream::EHandset); |
| TRACE_((THIS_FILE, "Loudspeaker turned %s", (active? "on":"off"))); |
| } |
| |
| return err; |
| } |
| |
| // Callback from MVoIPDownlinkObserver |
| void CPjAudioEngine::FillBuffer(const CVoIPAudioDownlinkStream& aSrc, |
| CVoIPDataBuffer* aBuffer) |
| { |
| play_cb_(aBuffer, user_data_); |
| iVoIPDnlink->BufferFilled(aBuffer); |
| } |
| |
| // Callback from MVoIPUplinkObserver |
| void CPjAudioEngine::EmptyBuffer(const CVoIPAudioUplinkStream& aSrc, |
| CVoIPDataBuffer* aBuffer) |
| { |
| rec_cb_(aBuffer, user_data_); |
| iVoIPUplink->BufferEmptied(aBuffer); |
| } |
| |
| // Callback from MVoIPDownlinkObserver |
| void CPjAudioEngine::Event(const CVoIPAudioDownlinkStream& /*aSrc*/, |
| TInt aEventType, |
| TInt aError) |
| { |
| switch (aEventType) { |
| case MVoIPDownlinkObserver::KOpenComplete: |
| if (aError == KErrNone) { |
| State last_state = dn_state_; |
| |
| dn_state_ = STATE_READY; |
| TRACE_((THIS_FILE, "Downlink opened")); |
| |
| if (last_state == STATE_STARTING) |
| StartPlay(); |
| } |
| break; |
| |
| case MVoIPDownlinkObserver::KDownlinkClosed: |
| dn_state_ = STATE_NULL; |
| TRACE_((THIS_FILE, "Downlink closed")); |
| break; |
| |
| case MVoIPDownlinkObserver::KDownlinkError: |
| dn_state_ = STATE_READY; |
| snd_perror("Downlink problem", aError); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| // Callback from MVoIPUplinkObserver |
| void CPjAudioEngine::Event(const CVoIPAudioUplinkStream& /*aSrc*/, |
| TInt aEventType, |
| TInt aError) |
| { |
| switch (aEventType) { |
| case MVoIPUplinkObserver::KOpenComplete: |
| if (aError == KErrNone) { |
| State last_state = up_state_; |
| |
| up_state_ = STATE_READY; |
| TRACE_((THIS_FILE, "Uplink opened")); |
| |
| if (last_state == STATE_STARTING) |
| StartRec(); |
| } |
| break; |
| |
| case MVoIPUplinkObserver::KUplinkClosed: |
| up_state_ = STATE_NULL; |
| TRACE_((THIS_FILE, "Uplink closed")); |
| break; |
| |
| case MVoIPUplinkObserver::KUplinkError: |
| up_state_ = STATE_READY; |
| snd_perror("Uplink problem", aError); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| // Callback from MVoIPFormatObserver |
| void CPjAudioEngine::Event(const CVoIPFormatIntfc& /*aSrc*/, |
| TInt aEventType) |
| { |
| snd_perror("Format event", aEventType); |
| } |
| |
| /**************************************************************************** |
| * Internal VAS callbacks for PCM format |
| */ |
| |
| #ifdef USE_NATIVE_PCM |
| |
| static void RecCbPcm2(CVoIPDataBuffer *buf, void *user_data) |
| { |
| struct vas_stream *strm = (struct vas_stream*) user_data; |
| TPtr8 buffer(0, 0, 0); |
| pj_int16_t *p_buf; |
| unsigned buf_len; |
| |
| /* Get the buffer */ |
| buf->GetPayloadPtr(buffer); |
| |
| /* Call parent callback */ |
| p_buf = (pj_int16_t*) buffer.Ptr(); |
| buf_len = buffer.Length() >> 1; |
| while (buf_len) { |
| unsigned req; |
| |
| req = strm->param.samples_per_frame - strm->rec_buf_len; |
| if (req > buf_len) |
| req = buf_len; |
| pjmedia_copy_samples(strm->rec_buf + strm->rec_buf_len, p_buf, req); |
| p_buf += req; |
| buf_len -= req; |
| strm->rec_buf_len += req; |
| |
| if (strm->rec_buf_len >= strm->param.samples_per_frame) { |
| pjmedia_frame f; |
| |
| f.buf = strm->rec_buf; |
| f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| f.size = strm->param.samples_per_frame << 1; |
| strm->rec_cb(strm->user_data, &f); |
| strm->rec_buf_len = 0; |
| } |
| } |
| } |
| |
| static void PlayCbPcm2(CVoIPDataBuffer *buf, void *user_data) |
| { |
| struct vas_stream *strm = (struct vas_stream*) user_data; |
| TPtr8 buffer(0, 0, 0); |
| pjmedia_frame f; |
| |
| /* Get the buffer */ |
| buf->GetPayloadPtr(buffer); |
| |
| /* Call parent callback */ |
| f.buf = strm->play_buf; |
| f.size = strm->param.samples_per_frame << 1; |
| strm->play_cb(strm->user_data, &f); |
| if (f.type != PJMEDIA_FRAME_TYPE_AUDIO) { |
| pjmedia_zero_samples((pj_int16_t*)f.buf, |
| strm->param.samples_per_frame); |
| } |
| f.size = strm->param.samples_per_frame << 1; |
| |
| /* Init buffer attributes and header. */ |
| buffer.Zero(); |
| buffer.Append((TUint8*)f.buf, f.size); |
| |
| /* Set the buffer */ |
| buf->SetPayloadPtr(buffer); |
| } |
| |
| #else // not USE_NATIVE_PCM |
| |
| static void RecCbPcm(CVoIPDataBuffer *buf, void *user_data) |
| { |
| struct vas_stream *strm = (struct vas_stream*) user_data; |
| TPtr8 buffer(0, 0, 0); |
| |
| /* Get the buffer */ |
| buf->GetPayloadPtr(buffer); |
| |
| /* Buffer has to contain normal speech. */ |
| pj_assert(buffer[0] == 1 && buffer[1] == 0); |
| |
| /* Detect the recorder G.711 frame size, player frame size will follow |
| * this recorder frame size. |
| */ |
| if (vas_g711_frame_len == 0) { |
| vas_g711_frame_len = buffer.Length() < 160? 80 : 160; |
| TRACE_((THIS_FILE, "Detected VAS G.711 frame size = %u samples", |
| vas_g711_frame_len)); |
| } |
| |
| /* Decode VAS buffer (coded in G.711) and put the PCM result into rec_buf. |
| * Whenever rec_buf is full, call parent stream callback. |
| */ |
| unsigned samples_processed = 0; |
| |
| while (samples_processed < vas_g711_frame_len) { |
| unsigned samples_to_process; |
| unsigned samples_req; |
| |
| samples_to_process = vas_g711_frame_len - samples_processed; |
| samples_req = (strm->param.samples_per_frame / |
| strm->param.channel_count / |
| strm->resample_factor) - |
| strm->rec_buf_len; |
| if (samples_to_process > samples_req) |
| samples_to_process = samples_req; |
| |
| pjmedia_ulaw_decode(&strm->rec_buf[strm->rec_buf_len], |
| buffer.Ptr() + 2 + samples_processed, |
| samples_to_process); |
| |
| strm->rec_buf_len += samples_to_process; |
| samples_processed += samples_to_process; |
| |
| /* Buffer is full, time to call parent callback */ |
| if (strm->rec_buf_len == strm->param.samples_per_frame / |
| strm->param.channel_count / |
| strm->resample_factor) |
| { |
| pjmedia_frame f; |
| |
| /* Need to resample clock rate? */ |
| if (strm->rec_resample) { |
| unsigned resampled = 0; |
| |
| while (resampled < strm->rec_buf_len) { |
| pjmedia_resample_run(strm->rec_resample, |
| &strm->rec_buf[resampled], |
| strm->pcm_buf + |
| resampled * strm->resample_factor); |
| resampled += 80; |
| } |
| f.buf = strm->pcm_buf; |
| } else { |
| f.buf = strm->rec_buf; |
| } |
| |
| /* Need to convert channel count? */ |
| if (strm->param.channel_count != 1) { |
| pjmedia_convert_channel_1ton((pj_int16_t*)f.buf, |
| (pj_int16_t*)f.buf, |
| strm->param.channel_count, |
| strm->param.samples_per_frame / |
| strm->param.channel_count, |
| 0); |
| } |
| |
| /* Call parent callback */ |
| f.type = PJMEDIA_FRAME_TYPE_AUDIO; |
| f.size = strm->param.samples_per_frame << 1; |
| strm->rec_cb(strm->user_data, &f); |
| strm->rec_buf_len = 0; |
| } |
| } |
| } |
| |
| #endif // USE_NATIVE_PCM |
| |
| static void PlayCbPcm(CVoIPDataBuffer *buf, void *user_data) |
| { |
| struct vas_stream *strm = (struct vas_stream*) user_data; |
| unsigned g711_frame_len = vas_g711_frame_len; |
| TPtr8 buffer(0, 0, 0); |
| |
| /* Get the buffer */ |
| buf->GetPayloadPtr(buffer); |
| |
| /* Init buffer attributes and header. */ |
| buffer.Zero(); |
| buffer.Append(1); |
| buffer.Append(0); |
| |
| /* Assume frame size is 10ms if frame size hasn't been known. */ |
| if (g711_frame_len == 0) |
| g711_frame_len = 80; |
| |
| /* Call parent stream callback to get PCM samples to play, |
| * encode the PCM samples into G.711 and put it into VAS buffer. |
| */ |
| unsigned samples_processed = 0; |
| |
| while (samples_processed < g711_frame_len) { |
| /* Need more samples to play, time to call parent callback */ |
| if (strm->play_buf_len == 0) { |
| pjmedia_frame f; |
| unsigned samples_got; |
| |
| f.size = strm->param.samples_per_frame << 1; |
| if (strm->play_resample || strm->param.channel_count != 1) |
| f.buf = strm->pcm_buf; |
| else |
| f.buf = strm->play_buf; |
| |
| /* Call parent callback */ |
| strm->play_cb(strm->user_data, &f); |
| if (f.type != PJMEDIA_FRAME_TYPE_AUDIO) { |
| pjmedia_zero_samples((pj_int16_t*)f.buf, |
| strm->param.samples_per_frame); |
| } |
| |
| samples_got = strm->param.samples_per_frame / |
| strm->param.channel_count / |
| strm->resample_factor; |
| |
| /* Need to convert channel count? */ |
| if (strm->param.channel_count != 1) { |
| pjmedia_convert_channel_nto1((pj_int16_t*)f.buf, |
| (pj_int16_t*)f.buf, |
| strm->param.channel_count, |
| strm->param.samples_per_frame, |
| PJ_FALSE, |
| 0); |
| } |
| |
| /* Need to resample clock rate? */ |
| if (strm->play_resample) { |
| unsigned resampled = 0; |
| |
| while (resampled < samples_got) |
| { |
| pjmedia_resample_run(strm->play_resample, |
| strm->pcm_buf + |
| resampled * strm->resample_factor, |
| &strm->play_buf[resampled]); |
| resampled += 80; |
| } |
| } |
| |
| strm->play_buf_len = samples_got; |
| strm->play_buf_start = 0; |
| } |
| |
| unsigned tmp; |
| |
| tmp = PJ_MIN(strm->play_buf_len, g711_frame_len - samples_processed); |
| pjmedia_ulaw_encode((pj_uint8_t*)&strm->play_buf[strm->play_buf_start], |
| &strm->play_buf[strm->play_buf_start], |
| tmp); |
| buffer.Append((TUint8*)&strm->play_buf[strm->play_buf_start], tmp); |
| samples_processed += tmp; |
| strm->play_buf_len -= tmp; |
| strm->play_buf_start += tmp; |
| } |
| |
| /* Set the buffer */ |
| buf->SetPayloadPtr(buffer); |
| } |
| |
| /**************************************************************************** |
| * Internal VAS callbacks for non-PCM format |
| */ |
| |
| static void RecCb(CVoIPDataBuffer *buf, void *user_data) |
| { |
| struct vas_stream *strm = (struct vas_stream*) user_data; |
| pjmedia_frame_ext *frame = (pjmedia_frame_ext*) strm->rec_buf; |
| TPtr8 buffer(0, 0, 0); |
| |
| /* Get the buffer */ |
| buf->GetPayloadPtr(buffer); |
| |
| switch(strm->param.ext_fmt.id) { |
| case PJMEDIA_FORMAT_AMR: |
| { |
| const pj_uint8_t *p = (const pj_uint8_t*)buffer.Ptr() + 1; |
| unsigned len = buffer.Length() - 1; |
| |
| pjmedia_frame_ext_append_subframe(frame, p, len << 3, 160); |
| if (frame->samples_cnt == strm->param.samples_per_frame) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| frame->samples_cnt = 0; |
| frame->subframe_cnt = 0; |
| } |
| } |
| break; |
| |
| case PJMEDIA_FORMAT_G729: |
| { |
| /* Check if we got a normal or SID frame. */ |
| if (buffer[0] != 0) { |
| enum { NORMAL_LEN = 22, SID_LEN = 8 }; |
| TBitStream *bitstream = (TBitStream*)strm->strm_data; |
| unsigned src_len = buffer.Length()- 2; |
| |
| pj_assert(src_len == NORMAL_LEN || src_len == SID_LEN); |
| |
| const TDesC8& p = bitstream->CompressG729Frame( |
| buffer.Right(src_len), |
| src_len == SID_LEN); |
| |
| pjmedia_frame_ext_append_subframe(frame, p.Ptr(), |
| p.Length() << 3, 80); |
| } else { /* We got null frame. */ |
| pjmedia_frame_ext_append_subframe(frame, NULL, 0, 80); |
| } |
| |
| if (frame->samples_cnt == strm->param.samples_per_frame) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| frame->samples_cnt = 0; |
| frame->subframe_cnt = 0; |
| } |
| } |
| break; |
| |
| case PJMEDIA_FORMAT_ILBC: |
| { |
| unsigned samples_got; |
| |
| samples_got = |
| strm->param.ext_fmt.det.aud.avg_bps == 15200? 160 : 240; |
| |
| /* Check if we got a normal or SID frame. */ |
| if (buffer[0] != 0) { |
| const pj_uint8_t *p = (const pj_uint8_t*)buffer.Ptr() + 2; |
| unsigned len = buffer.Length() - 2; |
| |
| pjmedia_frame_ext_append_subframe(frame, p, len << 3, |
| samples_got); |
| } else { /* We got null frame. */ |
| pjmedia_frame_ext_append_subframe(frame, NULL, 0, samples_got); |
| } |
| |
| if (frame->samples_cnt == strm->param.samples_per_frame) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| frame->samples_cnt = 0; |
| frame->subframe_cnt = 0; |
| } |
| } |
| break; |
| |
| case PJMEDIA_FORMAT_PCMU: |
| case PJMEDIA_FORMAT_PCMA: |
| { |
| unsigned samples_processed = 0; |
| |
| /* Make sure it is normal frame. */ |
| pj_assert(buffer[0] == 1 && buffer[1] == 0); |
| |
| /* Detect the recorder G.711 frame size, player frame size will |
| * follow this recorder frame size. |
| */ |
| if (vas_g711_frame_len == 0) { |
| vas_g711_frame_len = buffer.Length() < 160? 80 : 160; |
| TRACE_((THIS_FILE, "Detected VAS G.711 frame size = %u samples", |
| vas_g711_frame_len)); |
| } |
| |
| /* Convert VAS buffer format into pjmedia_frame_ext. Whenever |
| * samples count in the frame is equal to stream's samples per |
| * frame, call parent stream callback. |
| */ |
| while (samples_processed < vas_g711_frame_len) { |
| unsigned tmp; |
| const pj_uint8_t *pb = (const pj_uint8_t*)buffer.Ptr() + |
| 2 + samples_processed; |
| |
| tmp = PJ_MIN(strm->param.samples_per_frame - frame->samples_cnt, |
| vas_g711_frame_len - samples_processed); |
| |
| pjmedia_frame_ext_append_subframe(frame, pb, tmp << 3, tmp); |
| samples_processed += tmp; |
| |
| if (frame->samples_cnt == strm->param.samples_per_frame) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->rec_cb(strm->user_data, (pjmedia_frame*)frame); |
| frame->samples_cnt = 0; |
| frame->subframe_cnt = 0; |
| } |
| } |
| } |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| static void PlayCb(CVoIPDataBuffer *buf, void *user_data) |
| { |
| struct vas_stream *strm = (struct vas_stream*) user_data; |
| pjmedia_frame_ext *frame = (pjmedia_frame_ext*) strm->play_buf; |
| TPtr8 buffer(0, 0, 0); |
| |
| /* Get the buffer */ |
| buf->GetPayloadPtr(buffer); |
| |
| /* Init buffer attributes and header. */ |
| buffer.Zero(); |
| |
| switch(strm->param.ext_fmt.id) { |
| case PJMEDIA_FORMAT_AMR: |
| { |
| if (frame->samples_cnt == 0) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| } |
| |
| if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| pjmedia_frame_ext_subframe *sf; |
| unsigned samples_cnt; |
| |
| sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| |
| if (sf->data && sf->bitlen) { |
| /* AMR header for VAS is one byte, the format (may be!): |
| * 0xxxxy00, where xxxx:frame type, y:not sure. |
| */ |
| unsigned len = (sf->bitlen+7)>>3; |
| enum {SID_FT = 8 }; |
| pj_uint8_t amr_header = 4, ft = SID_FT; |
| |
| if (len >= pjmedia_codec_amrnb_framelen[0]) |
| ft = pjmedia_codec_amr_get_mode2(PJ_TRUE, len); |
| |
| amr_header |= ft << 3; |
| buffer.Append(amr_header); |
| |
| buffer.Append((TUint8*)sf->data, len); |
| } else { |
| enum {NO_DATA_FT = 15 }; |
| pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3); |
| |
| buffer.Append(amr_header); |
| } |
| |
| pjmedia_frame_ext_pop_subframes(frame, 1); |
| |
| } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| enum {NO_DATA_FT = 15 }; |
| pj_uint8_t amr_header = 4 | (NO_DATA_FT << 3); |
| |
| buffer.Append(amr_header); |
| |
| frame->samples_cnt = 0; |
| frame->subframe_cnt = 0; |
| } |
| } |
| break; |
| |
| case PJMEDIA_FORMAT_G729: |
| { |
| if (frame->samples_cnt == 0) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| } |
| |
| if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| pjmedia_frame_ext_subframe *sf; |
| unsigned samples_cnt; |
| |
| sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| |
| if (sf->data && sf->bitlen) { |
| enum { NORMAL_LEN = 10, SID_LEN = 2 }; |
| pj_bool_t sid_frame = ((sf->bitlen >> 3) == SID_LEN); |
| TBitStream *bitstream = (TBitStream*)strm->strm_data; |
| const TPtrC8 src(sf->data, sf->bitlen>>3); |
| const TDesC8 &dst = bitstream->ExpandG729Frame(src, |
| sid_frame); |
| if (sid_frame) { |
| buffer.Append(2); |
| buffer.Append(0); |
| } else { |
| buffer.Append(1); |
| buffer.Append(0); |
| } |
| buffer.Append(dst); |
| } else { |
| buffer.Append(2); |
| buffer.Append(0); |
| |
| buffer.AppendFill(0, 22); |
| } |
| |
| pjmedia_frame_ext_pop_subframes(frame, 1); |
| |
| } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| buffer.Append(2); |
| buffer.Append(0); |
| |
| buffer.AppendFill(0, 22); |
| } |
| } |
| break; |
| |
| case PJMEDIA_FORMAT_ILBC: |
| { |
| if (frame->samples_cnt == 0) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| } |
| |
| if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| pjmedia_frame_ext_subframe *sf; |
| unsigned samples_cnt; |
| |
| sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| |
| pj_assert((strm->param.ext_fmt.det.aud.avg_bps == 15200 && |
| samples_cnt == 160) || |
| (strm->param.ext_fmt.det.aud.avg_bps != 15200 && |
| samples_cnt == 240)); |
| |
| if (sf->data && sf->bitlen) { |
| buffer.Append(1); |
| buffer.Append(0); |
| buffer.Append((TUint8*)sf->data, sf->bitlen>>3); |
| } else { |
| unsigned frame_len; |
| |
| buffer.Append(1); |
| buffer.Append(0); |
| |
| /* VAS iLBC frame is 20ms or 30ms */ |
| frame_len = |
| strm->param.ext_fmt.det.aud.avg_bps == 15200? 38 : 50; |
| buffer.AppendFill(0, frame_len); |
| } |
| |
| pjmedia_frame_ext_pop_subframes(frame, 1); |
| |
| } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| |
| unsigned frame_len; |
| |
| buffer.Append(1); |
| buffer.Append(0); |
| |
| /* VAS iLBC frame is 20ms or 30ms */ |
| frame_len = |
| strm->param.ext_fmt.det.aud.avg_bps == 15200? 38 : 50; |
| buffer.AppendFill(0, frame_len); |
| |
| } |
| } |
| break; |
| |
| case PJMEDIA_FORMAT_PCMU: |
| case PJMEDIA_FORMAT_PCMA: |
| { |
| unsigned samples_ready = 0; |
| unsigned samples_req = vas_g711_frame_len; |
| |
| /* Assume frame size is 10ms if frame size hasn't been known. */ |
| if (samples_req == 0) |
| samples_req = 80; |
| |
| buffer.Append(1); |
| buffer.Append(0); |
| |
| /* Call parent stream callback to get samples to play. */ |
| while (samples_ready < samples_req) { |
| if (frame->samples_cnt == 0) { |
| frame->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| strm->play_cb(strm->user_data, (pjmedia_frame*)frame); |
| pj_assert(frame->base.type==PJMEDIA_FRAME_TYPE_EXTENDED || |
| frame->base.type==PJMEDIA_FRAME_TYPE_NONE); |
| } |
| |
| if (frame->base.type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| pjmedia_frame_ext_subframe *sf; |
| unsigned samples_cnt; |
| |
| sf = pjmedia_frame_ext_get_subframe(frame, 0); |
| samples_cnt = frame->samples_cnt / frame->subframe_cnt; |
| if (sf->data && sf->bitlen) { |
| buffer.Append((TUint8*)sf->data, sf->bitlen>>3); |
| } else { |
| pj_uint8_t silc; |
| silc = (strm->param.ext_fmt.id==PJMEDIA_FORMAT_PCMU)? |
| pjmedia_linear2ulaw(0) : pjmedia_linear2alaw(0); |
| buffer.AppendFill(silc, samples_cnt); |
| } |
| samples_ready += samples_cnt; |
| |
| pjmedia_frame_ext_pop_subframes(frame, 1); |
| |
| } else { /* PJMEDIA_FRAME_TYPE_NONE */ |
| pj_uint8_t silc; |
| |
| silc = (strm->param.ext_fmt.id==PJMEDIA_FORMAT_PCMU)? |
| pjmedia_linear2ulaw(0) : pjmedia_linear2alaw(0); |
| buffer.AppendFill(silc, samples_req - samples_ready); |
| |
| samples_ready = samples_req; |
| frame->samples_cnt = 0; |
| frame->subframe_cnt = 0; |
| } |
| } |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| /* Set the buffer */ |
| buf->SetPayloadPtr(buffer); |
| } |
| |
| |
| /**************************************************************************** |
| * Factory operations |
| */ |
| |
| /* |
| * C compatible declaration of VAS factory. |
| */ |
| PJ_BEGIN_DECL |
| PJ_DECL(pjmedia_aud_dev_factory*)pjmedia_symb_vas_factory(pj_pool_factory *pf); |
| PJ_END_DECL |
| |
| /* |
| * Init VAS audio driver. |
| */ |
| PJ_DEF(pjmedia_aud_dev_factory*) pjmedia_symb_vas_factory(pj_pool_factory *pf) |
| { |
| struct vas_factory *f; |
| pj_pool_t *pool; |
| |
| pool = pj_pool_create(pf, "VAS", 1000, 1000, NULL); |
| f = PJ_POOL_ZALLOC_T(pool, struct vas_factory); |
| f->pf = pf; |
| f->pool = pool; |
| f->base.op = &factory_op; |
| |
| return &f->base; |
| } |
| |
| /* API: init factory */ |
| static pj_status_t factory_init(pjmedia_aud_dev_factory *f) |
| { |
| struct vas_factory *af = (struct vas_factory*)f; |
| CVoIPUtilityFactory *vas_factory_; |
| CVoIPAudioUplinkStream *vas_uplink; |
| CVoIPAudioDownlinkStream *vas_dnlink; |
| RArray<TVoIPCodecFormat> uplink_formats, dnlink_formats; |
| unsigned ext_fmt_cnt = 0; |
| TVersion vas_version(1, 0, 0); /* Not really used at this time */ |
| TInt err; |
| |
| pj_ansi_strcpy(af->dev_info.name, "S60 VAS"); |
| af->dev_info.default_samples_per_sec = 8000; |
| af->dev_info.caps = PJMEDIA_AUD_DEV_CAP_EXT_FORMAT | |
| //PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING | |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING | |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE | |
| PJMEDIA_AUD_DEV_CAP_VAD | |
| PJMEDIA_AUD_DEV_CAP_CNG; |
| af->dev_info.routes = PJMEDIA_AUD_DEV_ROUTE_EARPIECE | |
| PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER; |
| af->dev_info.input_count = 1; |
| af->dev_info.output_count = 1; |
| af->dev_info.ext_fmt_cnt = 0; |
| |
| /* Enumerate supported formats */ |
| err = CVoIPUtilityFactory::CreateFactory(vas_factory_); |
| if (err != KErrNone) |
| goto on_error; |
| |
| /* On VAS 2.0, uplink & downlink stream should be instantiated before |
| * querying formats. |
| */ |
| err = vas_factory_->CreateUplinkStream(vas_version, |
| CVoIPUtilityFactory::EVoIPCall, |
| vas_uplink); |
| if (err != KErrNone) |
| goto on_error; |
| |
| err = vas_factory_->CreateDownlinkStream(vas_version, |
| CVoIPUtilityFactory::EVoIPCall, |
| vas_dnlink); |
| if (err != KErrNone) |
| goto on_error; |
| |
| uplink_formats.Reset(); |
| err = vas_factory_->GetSupportedUplinkFormats(uplink_formats); |
| if (err != KErrNone) |
| goto on_error; |
| |
| dnlink_formats.Reset(); |
| err = vas_factory_->GetSupportedDownlinkFormats(dnlink_formats); |
| if (err != KErrNone) |
| goto on_error; |
| |
| /* Free the streams, they are just used for querying formats */ |
| delete vas_uplink; |
| vas_uplink = NULL; |
| delete vas_dnlink; |
| vas_dnlink = NULL; |
| delete vas_factory_; |
| vas_factory_ = NULL; |
| |
| for (TInt i = 0; i < dnlink_formats.Count(); i++) { |
| pjmedia_format ext_fmt; |
| |
| /* Format must be supported by both downlink & uplink. */ |
| if (uplink_formats.Find(dnlink_formats[i]) == KErrNotFound) |
| continue; |
| |
| switch (dnlink_formats[i]) { |
| case EAMR_NB: |
| pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_AMR, |
| 8000, 1, 16, 20, 7400, 12200); |
| af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_TRUE; |
| break; |
| |
| case EG729: |
| pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_G729, |
| 8000, 1, 16, 20, 8000, 8000); |
| af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_FALSE; |
| break; |
| |
| case EILBC: |
| pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_ILBC, |
| 8000, 1, 16, 30, 13333, 15200); |
| af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_TRUE; |
| break; |
| |
| case EG711: |
| #if PJMEDIA_AUDIO_DEV_SYMB_VAS_VERSION==2 |
| case EG711_10MS: |
| #endif |
| pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_PCMU, |
| 8000, 1, 16, 20, 64000, 64000); |
| af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_FALSE; |
| ++ext_fmt_cnt; |
| pjmedia_format_init_audio(&ext_fmt, PJMEDIA_FORMAT_PCMA, |
| 8000, 1, 16, 20, 64000, 64000); |
| af->dev_info.ext_fmt[ext_fmt_cnt] = ext_fmt; |
| //af->dev_info.ext_fmt[ext_fmt_cnt].vad = PJ_FALSE; |
| break; |
| |
| default: |
| continue; |
| } |
| |
| ++ext_fmt_cnt; |
| } |
| |
| af->dev_info.ext_fmt_cnt = ext_fmt_cnt; |
| |
| uplink_formats.Close(); |
| dnlink_formats.Close(); |
| |
| PJ_LOG(3, (THIS_FILE, "VAS initialized")); |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| return PJ_RETURN_OS_ERROR(err); |
| } |
| |
| /* API: destroy factory */ |
| static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f) |
| { |
| struct vas_factory *af = (struct vas_factory*)f; |
| pj_pool_t *pool = af->pool; |
| |
| af->pool = NULL; |
| pj_pool_release(pool); |
| |
| PJ_LOG(3, (THIS_FILE, "VAS destroyed")); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: refresh the device list */ |
| static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f) |
| { |
| PJ_UNUSED_ARG(f); |
| return PJ_ENOTSUP; |
| } |
| |
| /* API: get number of devices */ |
| static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f) |
| { |
| PJ_UNUSED_ARG(f); |
| return 1; |
| } |
| |
| /* API: get device info */ |
| static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| unsigned index, |
| pjmedia_aud_dev_info *info) |
| { |
| struct vas_factory *af = (struct vas_factory*)f; |
| |
| PJ_ASSERT_RETURN(index == 0, PJMEDIA_EAUD_INVDEV); |
| |
| pj_memcpy(info, &af->dev_info, sizeof(*info)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: create default device parameter */ |
| static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| unsigned index, |
| pjmedia_aud_param *param) |
| { |
| struct vas_factory *af = (struct vas_factory*)f; |
| |
| PJ_ASSERT_RETURN(index == 0, PJMEDIA_EAUD_INVDEV); |
| |
| pj_bzero(param, sizeof(*param)); |
| param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| param->rec_id = index; |
| param->play_id = index; |
| param->clock_rate = af->dev_info.default_samples_per_sec; |
| param->channel_count = 1; |
| param->samples_per_frame = af->dev_info.default_samples_per_sec * 20 / 1000; |
| param->bits_per_sample = BITS_PER_SAMPLE; |
| param->flags = PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE; |
| param->output_route = PJMEDIA_AUD_DEV_ROUTE_EARPIECE; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* API: create stream */ |
| static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| const pjmedia_aud_param *param, |
| pjmedia_aud_rec_cb rec_cb, |
| pjmedia_aud_play_cb play_cb, |
| void *user_data, |
| pjmedia_aud_stream **p_aud_strm) |
| { |
| struct vas_factory *af = (struct vas_factory*)f; |
| pj_pool_t *pool; |
| struct vas_stream *strm; |
| |
| CPjAudioSetting vas_setting; |
| PjAudioCallback vas_rec_cb; |
| PjAudioCallback vas_play_cb; |
| |
| /* Can only support 16bits per sample */ |
| PJ_ASSERT_RETURN(param->bits_per_sample == BITS_PER_SAMPLE, PJ_EINVAL); |
| |
| /* Supported clock rates: |
| * - for non-PCM format: 8kHz |
| * - for PCM format: 8kHz and 16kHz |
| */ |
| PJ_ASSERT_RETURN(param->clock_rate == 8000 || |
| (param->clock_rate == 16000 && |
| param->ext_fmt.id == PJMEDIA_FORMAT_L16), |
| PJ_EINVAL); |
| |
| /* Supported channels number: |
| * - for non-PCM format: mono |
| * - for PCM format: mono and stereo |
| */ |
| PJ_ASSERT_RETURN(param->channel_count == 1 || |
| (param->channel_count == 2 && |
| param->ext_fmt.id == PJMEDIA_FORMAT_L16), |
| PJ_EINVAL); |
| |
| /* Create and Initialize stream descriptor */ |
| pool = pj_pool_create(af->pf, "vas-dev", 1000, 1000, NULL); |
| PJ_ASSERT_RETURN(pool, PJ_ENOMEM); |
| |
| strm = PJ_POOL_ZALLOC_T(pool, struct vas_stream); |
| strm->pool = pool; |
| strm->param = *param; |
| |
| if (strm->param.flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT == 0) |
| strm->param.ext_fmt.id = PJMEDIA_FORMAT_L16; |
| |
| /* Set audio engine fourcc. */ |
| switch(strm->param.ext_fmt.id) { |
| case PJMEDIA_FORMAT_L16: |
| #ifdef USE_NATIVE_PCM |
| vas_setting.format = EPCM16; |
| #else |
| vas_setting.format = EG711; |
| #endif |
| break; |
| case PJMEDIA_FORMAT_PCMU: |
| case PJMEDIA_FORMAT_PCMA: |
| vas_setting.format = EG711; |
| break; |
| case PJMEDIA_FORMAT_AMR: |
| vas_setting.format = EAMR_NB; |
| break; |
| case PJMEDIA_FORMAT_G729: |
| vas_setting.format = EG729; |
| break; |
| case PJMEDIA_FORMAT_ILBC: |
| vas_setting.format = EILBC; |
| break; |
| default: |
| vas_setting.format = ENULL; |
| break; |
| } |
| |
| /* Set audio engine mode. */ |
| if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16) |
| { |
| #ifdef USE_NATIVE_PCM |
| vas_setting.mode = 0; |
| #else |
| vas_setting.mode = CVoIPFormatIntfc::EG711uLaw; |
| #endif |
| } |
| else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_AMR) |
| { |
| vas_setting.mode = strm->param.ext_fmt.det.aud.avg_bps; |
| } |
| else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMU) |
| { |
| vas_setting.mode = CVoIPFormatIntfc::EG711uLaw; |
| } |
| else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMA) |
| { |
| vas_setting.mode = CVoIPFormatIntfc::EG711ALaw; |
| } |
| else if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_ILBC) |
| { |
| if (strm->param.ext_fmt.det.aud.avg_bps == 15200) |
| vas_setting.mode = CVoIPFormatIntfc::EiLBC20mSecFrame; |
| else |
| vas_setting.mode = CVoIPFormatIntfc::EiLBC30mSecFrame; |
| } else { |
| vas_setting.mode = 0; |
| } |
| |
| /* Disable VAD on L16, G711, iLBC, and also G729 (G729's SID |
| * potentially cause noise?). |
| */ |
| if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMU || |
| strm->param.ext_fmt.id == PJMEDIA_FORMAT_PCMA || |
| strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16 || |
| strm->param.ext_fmt.id == PJMEDIA_FORMAT_ILBC || |
| strm->param.ext_fmt.id == PJMEDIA_FORMAT_G729) |
| { |
| vas_setting.vad = EFalse; |
| } else { |
| vas_setting.vad = (strm->param.flags & PJMEDIA_AUD_DEV_CAP_VAD) && |
| strm->param.vad_enabled; |
| } |
| |
| /* Set other audio engine attributes. */ |
| vas_setting.plc = (strm->param.flags & PJMEDIA_AUD_DEV_CAP_PLC) && |
| strm->param.plc_enabled; |
| vas_setting.cng = vas_setting.vad; |
| vas_setting.loudspk = |
| strm->param.output_route==PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER; |
| |
| /* Set audio engine callbacks. */ |
| if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16) { |
| #ifdef USE_NATIVE_PCM |
| vas_play_cb = &PlayCbPcm2; |
| vas_rec_cb = &RecCbPcm2; |
| #else |
| vas_play_cb = &PlayCbPcm; |
| vas_rec_cb = &RecCbPcm; |
| #endif |
| } else { |
| vas_play_cb = &PlayCb; |
| vas_rec_cb = &RecCb; |
| } |
| |
| strm->rec_cb = rec_cb; |
| strm->play_cb = play_cb; |
| strm->user_data = user_data; |
| strm->resample_factor = strm->param.clock_rate / 8000; |
| |
| /* play_buf size is samples per frame scaled in to 8kHz mono. */ |
| strm->play_buf = (pj_int16_t*)pj_pool_zalloc( |
| pool, |
| (strm->param.samples_per_frame / |
| strm->resample_factor / |
| strm->param.channel_count) << 1); |
| strm->play_buf_len = 0; |
| strm->play_buf_start = 0; |
| |
| /* rec_buf size is samples per frame scaled in to 8kHz mono. */ |
| strm->rec_buf = (pj_int16_t*)pj_pool_zalloc( |
| pool, |
| (strm->param.samples_per_frame / |
| strm->resample_factor / |
| strm->param.channel_count) << 1); |
| strm->rec_buf_len = 0; |
| |
| if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_G729) { |
| TBitStream *g729_bitstream = new TBitStream; |
| |
| PJ_ASSERT_RETURN(g729_bitstream, PJ_ENOMEM); |
| strm->strm_data = (void*)g729_bitstream; |
| } |
| |
| /* Init resampler when format is PCM and clock rate is not 8kHz */ |
| if (strm->param.clock_rate != 8000 && |
| strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16) |
| { |
| pj_status_t status; |
| |
| if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| /* Create resample for recorder */ |
| status = pjmedia_resample_create( pool, PJ_TRUE, PJ_FALSE, 1, |
| 8000, |
| strm->param.clock_rate, |
| 80, |
| &strm->rec_resample); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| /* Create resample for player */ |
| status = pjmedia_resample_create( pool, PJ_TRUE, PJ_FALSE, 1, |
| strm->param.clock_rate, |
| 8000, |
| 80 * strm->resample_factor, |
| &strm->play_resample); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| } |
| |
| /* Create PCM buffer, when the clock rate is not 8kHz or not mono */ |
| if (strm->param.ext_fmt.id == PJMEDIA_FORMAT_L16 && |
| (strm->resample_factor > 1 || strm->param.channel_count != 1)) |
| { |
| strm->pcm_buf = (pj_int16_t*)pj_pool_zalloc(pool, |
| strm->param.samples_per_frame << 1); |
| } |
| |
| |
| /* Create the audio engine. */ |
| TRAPD(err, strm->engine = CPjAudioEngine::NewL(strm, |
| vas_rec_cb, vas_play_cb, |
| strm, vas_setting)); |
| if (err != KErrNone) { |
| pj_pool_release(pool); |
| return PJ_RETURN_OS_ERROR(err); |
| } |
| |
| /* Done */ |
| strm->base.op = &stream_op; |
| *p_aud_strm = &strm->base; |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: Get stream info. */ |
| static pj_status_t stream_get_param(pjmedia_aud_stream *s, |
| pjmedia_aud_param *pi) |
| { |
| struct vas_stream *strm = (struct vas_stream*)s; |
| |
| PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| |
| pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| |
| /* Update the output volume setting */ |
| if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| &pi->output_vol) == PJ_SUCCESS) |
| { |
| pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get capability */ |
| static pj_status_t stream_get_cap(pjmedia_aud_stream *s, |
| pjmedia_aud_dev_cap cap, |
| void *pval) |
| { |
| struct vas_stream *strm = (struct vas_stream*)s; |
| pj_status_t status = PJ_ENOTSUP; |
| |
| PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| |
| switch (cap) { |
| case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: |
| if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| *(pjmedia_aud_dev_route*)pval = strm->param.output_route; |
| status = PJ_SUCCESS; |
| } |
| break; |
| |
| /* There is a case that GetMaxGain() stucks, e.g: in N95. */ |
| /* |
| case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| |
| TInt max_gain = strm->engine->GetMaxGain(); |
| TInt gain = strm->engine->GetGain(); |
| |
| if (max_gain > 0 && gain >= 0) { |
| *(unsigned*)pval = gain * 100 / max_gain; |
| status = PJ_SUCCESS; |
| } else { |
| status = PJMEDIA_EAUD_NOTREADY; |
| } |
| } |
| break; |
| */ |
| |
| case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| |
| TInt max_vol = strm->engine->GetMaxVolume(); |
| TInt vol = strm->engine->GetVolume(); |
| |
| if (max_vol > 0 && vol >= 0) { |
| *(unsigned*)pval = vol * 100 / max_vol; |
| status = PJ_SUCCESS; |
| } else { |
| status = PJMEDIA_EAUD_NOTREADY; |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return status; |
| } |
| |
| /* API: set capability */ |
| static pj_status_t stream_set_cap(pjmedia_aud_stream *s, |
| pjmedia_aud_dev_cap cap, |
| const void *pval) |
| { |
| struct vas_stream *strm = (struct vas_stream*)s; |
| pj_status_t status = PJ_ENOTSUP; |
| |
| PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| |
| switch (cap) { |
| case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: |
| if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| pjmedia_aud_dev_route r = *(const pjmedia_aud_dev_route*)pval; |
| TInt err; |
| |
| PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| |
| switch (r) { |
| case PJMEDIA_AUD_DEV_ROUTE_DEFAULT: |
| case PJMEDIA_AUD_DEV_ROUTE_EARPIECE: |
| err = strm->engine->ActivateSpeaker(EFalse); |
| status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| break; |
| case PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER: |
| err = strm->engine->ActivateSpeaker(ETrue); |
| status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| break; |
| default: |
| status = PJ_EINVAL; |
| break; |
| } |
| if (status == PJ_SUCCESS) |
| strm->param.output_route = r; |
| } |
| break; |
| |
| /* There is a case that GetMaxGain() stucks, e.g: in N95. */ |
| /* |
| case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: |
| if (strm->param.dir & PJMEDIA_DIR_CAPTURE) { |
| PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| |
| TInt max_gain = strm->engine->GetMaxGain(); |
| if (max_gain > 0) { |
| TInt gain, err; |
| |
| gain = *(unsigned*)pval * max_gain / 100; |
| err = strm->engine->SetGain(gain); |
| status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| } else { |
| status = PJMEDIA_EAUD_NOTREADY; |
| } |
| if (status == PJ_SUCCESS) |
| strm->param.input_vol = *(unsigned*)pval; |
| } |
| break; |
| */ |
| |
| case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: |
| if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) { |
| PJ_ASSERT_RETURN(strm->engine, PJ_EINVAL); |
| |
| TInt max_vol = strm->engine->GetMaxVolume(); |
| if (max_vol > 0) { |
| TInt vol, err; |
| |
| vol = *(unsigned*)pval * max_vol / 100; |
| err = strm->engine->SetVolume(vol); |
| status = (err==KErrNone)? PJ_SUCCESS:PJ_RETURN_OS_ERROR(err); |
| } else { |
| status = PJMEDIA_EAUD_NOTREADY; |
| } |
| if (status == PJ_SUCCESS) |
| strm->param.output_vol = *(unsigned*)pval; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return status; |
| } |
| |
| /* API: Start stream. */ |
| static pj_status_t stream_start(pjmedia_aud_stream *strm) |
| { |
| struct vas_stream *stream = (struct vas_stream*)strm; |
| |
| PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| |
| if (stream->engine) { |
| enum { VAS_WAIT_START = 2000 }; /* in msecs */ |
| TTime start, now; |
| TInt err = stream->engine->Start(); |
| |
| if (err != KErrNone) |
| return PJ_RETURN_OS_ERROR(err); |
| |
| /* Perform synchronous start, timeout after VAS_WAIT_START ms */ |
| start.UniversalTime(); |
| do { |
| pj_symbianos_poll(-1, 100); |
| now.UniversalTime(); |
| } while (!stream->engine->IsStarted() && |
| (now.MicroSecondsFrom(start) < VAS_WAIT_START * 1000)); |
| |
| if (stream->engine->IsStarted()) { |
| |
| /* Apply output volume setting if specified */ |
| if (stream->param.flags & |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) |
| { |
| stream_set_cap(strm, |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| &stream->param.output_vol); |
| } |
| |
| return PJ_SUCCESS; |
| } else { |
| return PJ_ETIMEDOUT; |
| } |
| } |
| |
| return PJ_EINVALIDOP; |
| } |
| |
| /* API: Stop stream. */ |
| static pj_status_t stream_stop(pjmedia_aud_stream *strm) |
| { |
| struct vas_stream *stream = (struct vas_stream*)strm; |
| |
| PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| |
| if (stream->engine) { |
| stream->engine->Stop(); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* API: Destroy stream. */ |
| static pj_status_t stream_destroy(pjmedia_aud_stream *strm) |
| { |
| struct vas_stream *stream = (struct vas_stream*)strm; |
| |
| PJ_ASSERT_RETURN(stream, PJ_EINVAL); |
| |
| stream_stop(strm); |
| |
| delete stream->engine; |
| stream->engine = NULL; |
| |
| if (stream->param.ext_fmt.id == PJMEDIA_FORMAT_G729) { |
| TBitStream *g729_bitstream = (TBitStream*)stream->strm_data; |
| stream->strm_data = NULL; |
| delete g729_bitstream; |
| } |
| |
| pj_pool_t *pool; |
| pool = stream->pool; |
| if (pool) { |
| stream->pool = NULL; |
| pj_pool_release(pool); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| #endif // PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS |
| |