diff options
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msspeexenc.c')
| -rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msspeexenc.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msspeexenc.c b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msspeexenc.c new file mode 100644 index 00000000..abf976e6 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msspeexenc.c @@ -0,0 +1,192 @@ +/* + The mediastreamer library aims at providing modular media processing and I/O + for linphone, but also for any telephony application. + Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <config.h> + +#ifdef HAVE_SPEEX + +#include "msspeexenc.h" +#include "ms.h" +extern MSCodecInfo speex_info; + +static MSSpeexEncClass * ms_speex_enc_class=NULL; + +MSFilter * ms_speex_enc_new() +{ + MSSpeexEnc *obj=g_new(MSSpeexEnc,1); + + if (ms_speex_enc_class==NULL){ + ms_speex_enc_class=g_new(MSSpeexEncClass,1); + ms_speex_enc_class_init(ms_speex_enc_class); + } + MS_FILTER(obj)->klass=MS_FILTER_CLASS(ms_speex_enc_class); + ms_speex_enc_init(MS_SPEEX_ENC(obj)); + return MS_FILTER(obj); +} + +void ms_speex_enc_init(MSSpeexEnc *obj) +{ + ms_filter_init(MS_FILTER(obj)); + MS_FILTER(obj)->infifos=obj->inf; + MS_FILTER(obj)->outqueues=obj->outq; + obj->inf[0]=NULL; + obj->outq[0]=NULL; + obj->frequency=8000; + obj->bitrate=30000; + obj->initialized=0; +} + +void ms_speex_enc_init_core(MSSpeexEnc *obj,const SpeexMode *mode, gint bitrate) +{ + int proc_type, proc_speed; + gchar *proc_vendor; + int tmp; + int frame_size; + + obj->speex_state=speex_encoder_init(mode); + speex_bits_init(&obj->bits); + + if (bitrate>0) { + bitrate++; + speex_encoder_ctl(obj->speex_state, SPEEX_SET_BITRATE, &bitrate); + g_message("Setting speex output bitrate less or equal than %i",bitrate-1); + } + + proc_speed=ms_proc_get_speed(); + proc_vendor=ms_proc_get_param("vendor_id"); + if (proc_speed<0 || proc_vendor==NULL){ + g_warning("Can't guess processor features: setting speex encoder to its lowest complexity."); + tmp=1; + speex_encoder_ctl(obj->speex_state,SPEEX_SET_COMPLEXITY,&tmp); + }else if ((proc_speed!=-1) && (proc_speed<200)){ + g_warning("A cpu speed less than 200 Mhz is not enough: let's reduce the complexity of the speex codec."); + tmp=1; + speex_encoder_ctl(obj->speex_state,SPEEX_SET_COMPLEXITY,&tmp); + }else if (proc_vendor!=NULL) { + if (strncmp(proc_vendor,"GenuineIntel",strlen("GenuineIntel"))==0){ + proc_type=ms_proc_get_type(); + if (proc_type==5){ + g_warning("A pentium I is not enough fast for speex codec in normal mode: let's reduce its complexity."); + tmp=1; + speex_encoder_ctl(obj->speex_state,SPEEX_SET_COMPLEXITY,&tmp); + } + } + g_free(proc_vendor); + } + /* guess the used input frame size */ + speex_mode_query(mode, SPEEX_MODE_FRAME_SIZE, &frame_size); + MS_FILTER(obj)->r_mingran=frame_size*2; + ms_trace("ms_speex_init: using frame size of %i.",MS_FILTER(obj)->r_mingran); + + obj->initialized=1; +} + +/* must be called before the encoder is running*/ +int ms_speex_enc_set_property(MSSpeexEnc *obj,int property,int *value) +{ + if (obj->initialized){ + /* we are called when speex is running !! forbid that! */ + ms_warning("ms_speex_enc_set_property: cannot call this function when running!"); + return -1; + } + switch(property){ + case MS_FILTER_PROPERTY_FREQ: + obj->frequency=value[0]; + break; + case MS_FILTER_PROPERTY_BITRATE: /* to specify max bitrate */ + obj->bitrate=value[0]; + break; + } + return 0; +} + +void ms_speex_enc_setup(MSSpeexEnc *obj) +{ + const SpeexMode *mode; + int quality; + g_message("Speex encoder setup: freq=%i",obj->frequency); + if ( obj->frequency< 16000) mode=&speex_nb_mode; + else mode=&speex_wb_mode; + ms_speex_enc_init_core(obj,mode,obj->bitrate); + +} + +void ms_speex_enc_unsetup(MSSpeexEnc *obj) +{ + ms_speex_enc_uninit_core(obj); +} + +void ms_speex_enc_class_init(MSSpeexEncClass *klass) +{ + gint frame_size=0; + + ms_filter_class_init(MS_FILTER_CLASS(klass)); + /* we take the larger (wb) frame size */ + speex_mode_query(&speex_wb_mode, SPEEX_MODE_FRAME_SIZE, &frame_size); + MS_FILTER_CLASS(klass)->process=(MSFilterProcessFunc)ms_speex_enc_process; + MS_FILTER_CLASS(klass)->destroy=(MSFilterDestroyFunc)ms_speex_enc_destroy; + MS_FILTER_CLASS(klass)->setup=(MSFilterSetupFunc)ms_speex_enc_setup; + MS_FILTER_CLASS(klass)->unsetup=(MSFilterSetupFunc)ms_speex_enc_unsetup; + MS_FILTER_CLASS(klass)->set_property=(MSFilterPropertyFunc)ms_speex_enc_set_property; + ms_filter_class_set_name(MS_FILTER_CLASS(klass),"SpeexEncoder"); + MS_FILTER_CLASS(klass)->info=(MSFilterInfo*)&speex_info; + MS_FILTER_CLASS(klass)->max_finputs=1; + MS_FILTER_CLASS(klass)->max_qoutputs=1; + MS_FILTER_CLASS(klass)->r_maxgran=frame_size*2; + ms_trace("ms_speex_enc_class_init: r_maxgran is %i.",MS_FILTER_CLASS(klass)->r_maxgran); +} + +void ms_speex_enc_uninit_core(MSSpeexEnc *obj) +{ + if (obj->initialized){ + speex_encoder_destroy(obj->speex_state); + obj->initialized=0; + } +} + +void ms_speex_enc_destroy(MSSpeexEnc *obj) +{ + ms_speex_enc_uninit_core(obj); + g_free(obj); +} + +void ms_speex_enc_process(MSSpeexEnc *obj) +{ + MSFifo *inf=obj->inf[0]; + MSQueue *outq=obj->outq[0]; + gint16 *input; + gint gran=MS_FILTER(obj)->r_mingran; + gint i; + MSMessage *m; + + g_return_if_fail(inf!=NULL); + g_return_if_fail(outq!=NULL); + + ms_fifo_get_read_ptr(inf,gran,(void**)&input); + g_return_if_fail(input!=NULL); + /* encode */ + speex_bits_reset(&obj->bits); + speex_encode_int(obj->speex_state,(short*)input,&obj->bits); + m=ms_message_new(speex_bits_nbytes(&obj->bits)); + m->size=speex_bits_write(&obj->bits,m->data,m->size); + ms_queue_put(outq,m); +} + +#endif /* HAVE_SPEEX */ |