diff options
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msLPC10encoder.h')
-rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msLPC10encoder.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msLPC10encoder.h b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msLPC10encoder.h new file mode 100644 index 00000000..4db16436 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/msLPC10encoder.h @@ -0,0 +1,74 @@ +/* + 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 +*/ + + +#ifndef MSLPC10ENCODER_H +#define MSLPC10ENCODER_H + +#include "mscodec.h" + + +int +read_16bit_samples(gint16 int16samples[], float speech[], int n); + +int +write_16bit_samples(gint16 int16samples[], float speech[], int n); + +void +write_bits(unsigned char *data, gint32 *bits, int len); + +int +read_bits(unsigned char *data, gint32 *bits, int len); + + +/*this is the class that implements a LPC10encoder filter*/ + +#define MSLPC10ENCODER_MAX_INPUTS 1 /* max output per filter*/ + + +typedef struct _MSLPC10Encoder +{ + /* the MSLPC10Encoder derivates from MSFilter, so the MSFilter object MUST be the first of the MSLPC10Encoder object + in order to the object mechanism to work*/ + MSFilter filter; + MSFifo *f_inputs[MSLPC10ENCODER_MAX_INPUTS]; + MSFifo *f_outputs[MSLPC10ENCODER_MAX_INPUTS]; + struct lpc10_encoder_state *lpc10_enc; +} MSLPC10Encoder; + +typedef struct _MSLPC10EncoderClass +{ + /* the MSLPC10Encoder derivates from MSFilter, so the MSFilter class MUST be the first of the MSLPC10Encoder class + in order to the class mechanism to work*/ + MSFilterClass parent_class; +} MSLPC10EncoderClass; + +/* PUBLIC */ +#define MS_LPC10ENCODER(filter) ((MSLPC10Encoder*)(filter)) +#define MS_LPC10ENCODER_CLASS(klass) ((MSLPC10EncoderClass*)(klass)) +MSFilter * ms_LPC10encoder_new(void); + +/* FOR INTERNAL USE*/ +void ms_LPC10encoder_init(MSLPC10Encoder *r); +void ms_LPC10encoder_class_init(MSLPC10EncoderClass *klass); +void ms_LPC10encoder_destroy( MSLPC10Encoder *obj); +void ms_LPC10encoder_process(MSLPC10Encoder *r); + +#endif |