--- a/src/mediastreamer/msspeexenc.c Mon Apr 16 00:43:53 2007 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,186 +0,0 @@
-/*
- 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 "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;
- 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;
- 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);
-}