diff options
Diffstat (limited to 'drivers/speex/speex.c')
-rw-r--r-- | drivers/speex/speex.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/drivers/speex/speex.c b/drivers/speex/speex.c deleted file mode 100644 index a695728c89..0000000000 --- a/drivers/speex/speex.c +++ /dev/null @@ -1,250 +0,0 @@ -/* Copyright (C) 2002 Jean-Marc Valin - File: speex.c - - Basic Speex functions - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - - Neither the name of the Xiph.org Foundation nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - - -#include "config.h" - - -#include "modes.h" -#include <math.h> -#include "os_support.h" - -#ifndef NULL -#define NULL 0 -#endif - -#define MAX_IN_SAMPLES 640 - - - -EXPORT void *speex_encoder_init(const SpeexMode *mode) -{ - return mode->enc_init(mode); -} - -EXPORT void *speex_decoder_init(const SpeexMode *mode) -{ - return mode->dec_init(mode); -} - -EXPORT void speex_encoder_destroy(void *state) -{ - (*((SpeexMode**)state))->enc_destroy(state); -} - -EXPORT void speex_decoder_destroy(void *state) -{ - (*((SpeexMode**)state))->dec_destroy(state); -} - - - -int speex_encode_native(void *state, spx_word16_t *in, SpeexBits *bits) -{ - return (*((SpeexMode**)state))->enc(state, in, bits); -} - -int speex_decode_native(void *state, SpeexBits *bits, spx_word16_t *out) -{ - return (*((SpeexMode**)state))->dec(state, bits, out); -} - - - -#ifdef FIXED_POINT - -#ifndef DISABLE_FLOAT_API -EXPORT int speex_encode(void *state, float *in, SpeexBits *bits) -{ - int i; - spx_int32_t N; - spx_int16_t short_in[MAX_IN_SAMPLES]; - speex_encoder_ctl(state, SPEEX_GET_FRAME_SIZE, &N); - for (i=0;i<N;i++) - { - if (in[i]>32767.f) - short_in[i] = 32767; - else if (in[i]<-32768.f) - short_in[i] = -32768; - else - short_in[i] = (spx_int16_t)floor(.5+in[i]); - } - return (*((SpeexMode**)state))->enc(state, short_in, bits); -} -#endif /* #ifndef DISABLE_FLOAT_API */ - -EXPORT int speex_encode_int(void *state, spx_int16_t *in, SpeexBits *bits) -{ - SpeexMode *mode; - mode = *(SpeexMode**)state; - return (mode)->enc(state, in, bits); -} - -#ifndef DISABLE_FLOAT_API -EXPORT int speex_decode(void *state, SpeexBits *bits, float *out) -{ - int i, ret; - spx_int32_t N; - spx_int16_t short_out[MAX_IN_SAMPLES]; - speex_decoder_ctl(state, SPEEX_GET_FRAME_SIZE, &N); - ret = (*((SpeexMode**)state))->dec(state, bits, short_out); - for (i=0;i<N;i++) - out[i] = short_out[i]; - return ret; -} -#endif /* #ifndef DISABLE_FLOAT_API */ - -EXPORT int speex_decode_int(void *state, SpeexBits *bits, spx_int16_t *out) -{ - SpeexMode *mode = *(SpeexMode**)state; - return (mode)->dec(state, bits, out); -} - -#else - -EXPORT int speex_encode(void *state, float *in, SpeexBits *bits) -{ - return (*((SpeexMode**)state))->enc(state, in, bits); -} - -EXPORT int speex_encode_int(void *state, spx_int16_t *in, SpeexBits *bits) -{ - int i; - spx_int32_t N; - float float_in[MAX_IN_SAMPLES]; - speex_encoder_ctl(state, SPEEX_GET_FRAME_SIZE, &N); - for (i=0;i<N;i++) - float_in[i] = in[i]; - return (*((SpeexMode**)state))->enc(state, float_in, bits); -} - -EXPORT int speex_decode(void *state, SpeexBits *bits, float *out) -{ - return (*((SpeexMode**)state))->dec(state, bits, out); -} - -EXPORT int speex_decode_int(void *state, SpeexBits *bits, spx_int16_t *out) -{ - int i; - spx_int32_t N; - float float_out[MAX_IN_SAMPLES]; - int ret; - speex_decoder_ctl(state, SPEEX_GET_FRAME_SIZE, &N); - ret = (*((SpeexMode**)state))->dec(state, bits, float_out); - for (i=0;i<N;i++) - { - if (float_out[i]>32767.f) - out[i] = 32767; - else if (float_out[i]<-32768.f) - out[i] = -32768; - else - out[i] = (spx_int16_t)floor(.5+float_out[i]); - } - return ret; -} -#endif - - - -EXPORT int speex_encoder_ctl(void *state, int request, void *ptr) -{ - return (*((SpeexMode**)state))->enc_ctl(state, request, ptr); -} - -EXPORT int speex_decoder_ctl(void *state, int request, void *ptr) -{ - return (*((SpeexMode**)state))->dec_ctl(state, request, ptr); -} - - - -int nb_mode_query(const void *mode, int request, void *ptr) -{ - const SpeexNBMode *m = (const SpeexNBMode*)mode; - - switch (request) - { - case SPEEX_MODE_FRAME_SIZE: - *((int*)ptr)=m->frameSize; - break; - case SPEEX_SUBMODE_BITS_PER_FRAME: - if (*((int*)ptr)==0) - *((int*)ptr) = NB_SUBMODE_BITS+1; - else if (m->submodes[*((int*)ptr)]==NULL) - *((int*)ptr) = -1; - else - *((int*)ptr) = m->submodes[*((int*)ptr)]->bits_per_frame; - break; - default: - speex_warning_int("Unknown nb_mode_query request: ", request); - return -1; - } - return 0; -} - - - -EXPORT int speex_lib_ctl(int request, void *ptr) -{ - switch (request) - { - case SPEEX_LIB_GET_MAJOR_VERSION: - *((int*)ptr) = SPEEX_MAJOR_VERSION; - break; - case SPEEX_LIB_GET_MINOR_VERSION: - *((int*)ptr) = SPEEX_MINOR_VERSION; - break; - case SPEEX_LIB_GET_MICRO_VERSION: - *((int*)ptr) = SPEEX_MICRO_VERSION; - break; - case SPEEX_LIB_GET_EXTRA_VERSION: - *((const char**)ptr) = SPEEX_EXTRA_VERSION; - break; - case SPEEX_LIB_GET_VERSION_STRING: - *((const char**)ptr) = SPEEX_VERSION; - break; - /*case SPEEX_LIB_SET_ALLOC_FUNC: - break; - case SPEEX_LIB_GET_ALLOC_FUNC: - break; - case SPEEX_LIB_SET_FREE_FUNC: - break; - case SPEEX_LIB_GET_FREE_FUNC: - break;*/ - default: - speex_warning_int("Unknown wb_mode_query request: ", request); - return -1; - } - return 0; -} |