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Diffstat (limited to 'libspeex/modes.c')
-rw-r--r--libspeex/modes.c308
1 files changed, 1 insertions, 307 deletions
diff --git a/libspeex/modes.c b/libspeex/modes.c
index 9a1fe9c..33e031e 100644
--- a/libspeex/modes.c
+++ b/libspeex/modes.c
@@ -43,28 +43,23 @@
#include "sb_celp.h"
#include "nb_celp.h"
#include "vbr.h"
-#include "misc.h"
+#include "arch.h"
#include <math.h>
#ifndef NULL
#define NULL 0
#endif
-#define MAX_IN_SAMPLES 640
-
-const SpeexMode * const speex_mode_list[SPEEX_NB_MODES] = {&speex_nb_mode, &speex_wb_mode, &speex_uwb_mode};
/* Extern declarations for all codebooks we use here */
extern const signed char gain_cdbk_nb[];
extern const signed char gain_cdbk_lbr[];
-extern const signed char hexc_table[];
extern const signed char exc_5_256_table[];
extern const signed char exc_5_64_table[];
extern const signed char exc_8_128_table[];
extern const signed char exc_10_32_table[];
extern const signed char exc_10_16_table[];
extern const signed char exc_20_32_table[];
-extern const signed char hexc_10_32_table[];
/* Parameters for Long-Term Prediction (LTP)*/
@@ -150,29 +145,8 @@ static const split_cb_params split_cb_sb = {
0,
};
-#ifndef DISABLE_WIDEBAND
-
-/* Split-VQ innovation for high-band wideband */
-static const split_cb_params split_cb_high = {
- 8, /*subvect_size*/
- 5, /*nb_subvect*/
- hexc_table, /*shape_cb*/
- 7, /*shape_bits*/
- 1,
-};
-/* Split-VQ innovation for high-band wideband */
-static const split_cb_params split_cb_high_lbr = {
- 10, /*subvect_size*/
- 4, /*nb_subvect*/
- hexc_10_32_table, /*shape_cb*/
- 5, /*shape_bits*/
- 0,
-};
-
-#endif
-
/* 2150 bps "vocoder-like" mode for comfort noise */
static const SpeexSubmode nb_submode1 = {
0,
@@ -354,11 +328,7 @@ static const SpeexNBMode nb_mode = {
#else
0.9, 0.6, /* gamma1, gamma2 */
#endif
- .012, /*lag_factor*/
QCONST16(.0002,15), /*lpc_floor*/
-#ifdef EPIC_48K
- 0,
-#endif
{NULL, &nb_submode1, &nb_submode2, &nb_submode3, &nb_submode4, &nb_submode5, &nb_submode6, &nb_submode7,
&nb_submode8, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
5,
@@ -384,285 +354,9 @@ const SpeexMode speex_nb_mode = {
};
-/* Wideband part */
-
-static const SpeexSubmode wb_submode1 = {
- 0,
- 0,
- 1,
- 0,
- /*LSP quantization*/
- lsp_quant_high,
- lsp_unquant_high,
- /*Pitch quantization*/
- NULL,
- NULL,
- NULL,
- /*No innovation quantization*/
- NULL,
- NULL,
- NULL,
- -1,
- 36
-};
-
-
-static const SpeexSubmode wb_submode2 = {
- 0,
- 0,
- 1,
- 0,
- /*LSP quantization*/
- lsp_quant_high,
- lsp_unquant_high,
- /*Pitch quantization*/
- NULL,
- NULL,
- NULL,
- /*Innovation quantization*/
- split_cb_search_shape_sign,
- split_cb_shape_sign_unquant,
-#ifdef DISABLE_WIDEBAND
- NULL,
-#else
- &split_cb_high_lbr,
-#endif
- -1,
- 112
-};
-
-
-static const SpeexSubmode wb_submode3 = {
- 0,
- 0,
- 1,
- 0,
- /*LSP quantization*/
- lsp_quant_high,
- lsp_unquant_high,
- /*Pitch quantization*/
- NULL,
- NULL,
- NULL,
- /*Innovation quantization*/
- split_cb_search_shape_sign,
- split_cb_shape_sign_unquant,
-#ifdef DISABLE_WIDEBAND
- NULL,
-#else
- &split_cb_high,
-#endif
- -1,
- 192
-};
-
-static const SpeexSubmode wb_submode4 = {
- 0,
- 0,
- 1,
- 1,
- /*LSP quantization*/
- lsp_quant_high,
- lsp_unquant_high,
- /*Pitch quantization*/
- NULL,
- NULL,
- NULL,
- /*Innovation quantization*/
- split_cb_search_shape_sign,
- split_cb_shape_sign_unquant,
-#ifdef DISABLE_WIDEBAND
- NULL,
-#else
- &split_cb_high,
-#endif
- -1,
- 352
-};
-
-
-/* Split-band wideband CELP mode*/
-static const SpeexSBMode sb_wb_mode = {
- &speex_nb_mode,
- 160, /*frameSize*/
- 40, /*subframeSize*/
- 8, /*lpcSize*/
- 640, /*bufSize*/
-#ifdef FIXED_POINT
- 29491, 19661, /* gamma1, gamma2 */
-#else
- 0.9, 0.6, /* gamma1, gamma2 */
-#endif
- .012, /*lag_factor*/
- QCONST16(.0002,15), /*lpc_floor*/
- QCONST16(0.9f,15),
- {NULL, &wb_submode1, &wb_submode2, &wb_submode3, &wb_submode4, NULL, NULL, NULL},
- 3,
- {1, 8, 2, 3, 4, 5, 5, 6, 6, 7, 7},
- {1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4},
- vbr_hb_thresh,
- 5
-};
-
-
-const SpeexMode speex_wb_mode = {
- &sb_wb_mode,
- wb_mode_query,
- "wideband (sub-band CELP)",
- 1,
- 4,
- &sb_encoder_init,
- &sb_encoder_destroy,
- &sb_encode,
- &sb_decoder_init,
- &sb_decoder_destroy,
- &sb_decode,
- &sb_encoder_ctl,
- &sb_decoder_ctl,
-};
-
-
-
-/* "Ultra-wideband" mode stuff */
-
-
-
-/* Split-band "ultra-wideband" (32 kbps) CELP mode*/
-static const SpeexSBMode sb_uwb_mode = {
- &speex_wb_mode,
- 320, /*frameSize*/
- 80, /*subframeSize*/
- 8, /*lpcSize*/
- 1280, /*bufSize*/
-#ifdef FIXED_POINT
- 29491, 19661, /* gamma1, gamma2 */
-#else
- 0.9, 0.6, /* gamma1, gamma2 */
-#endif
- .012, /*lag_factor*/
- QCONST16(.0002,15), /*lpc_floor*/
- QCONST16(0.7f,15),
- {NULL, &wb_submode1, NULL, NULL, NULL, NULL, NULL, NULL},
- 1,
- {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
- {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
- vbr_uhb_thresh,
- 2
-};
-
-
-const SpeexMode speex_uwb_mode = {
- &sb_uwb_mode,
- wb_mode_query,
- "ultra-wideband (sub-band CELP)",
- 2,
- 4,
- &sb_encoder_init,
- &sb_encoder_destroy,
- &sb_encode,
- &sb_decoder_init,
- &sb_decoder_destroy,
- &sb_decode,
- &sb_encoder_ctl,
- &sb_decoder_ctl,
-};
-
-
-
-
-#ifdef EPIC_48K
-
-extern const signed char gain_cdbk_ulbr[];
-extern const signed char exc_12_32_table[];
-
-/* Parameters for Long-Term Prediction (LTP)*/
-static const ltp_params ltp_params_48k = {
- gain_cdbk_ulbr,
- 3,
- 0
-};
-
-static const split_cb_params split_cb_nb_48k = {
- 12, /*subvect_size*/
- 4, /*nb_subvect*/
- exc_12_32_table, /*shape_cb*/
- 5, /*shape_bits*/
- 0,
-};
-
-
-/* 4.8 kbps very low bit-rate mode */
-static const SpeexSubmode nb_48k_submode = {
- 0,
- 0,
- 0,
- 0,
- /*LSP quantization*/
- lsp_quant_48k,
- lsp_unquant_48k,
- /*No pitch quantization*/
- pitch_search_3tap,
- pitch_unquant_3tap,
- &ltp_params_48k,
- /*Innovation quantization*/
- split_cb_search_shape_sign,
- split_cb_shape_sign_unquant,
- &split_cb_nb_48k,
- QCONST16(.7,15),
- 144
-};
-
-
-/* Special, non-standard 4.8 kbps mode */
-static const SpeexNBMode nb_48k_mode = {
- 240, /*frameSize*/
- 48, /*subframeSize*/
- 10, /*lpcSize*/
- 17, /*pitchStart*/
- 144, /*pitchEnd*/
- 0.9, /*gamma1*/
- 0.6, /*gamma2*/
- .01, /*lag_factor*/
- QCONST16(.0003,15), /*lpc_floor*/
- 1,
- {NULL, NULL, &nb_48k_submode, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
- 2,
- {2,2,2,2,2,2,2,2,2,2,2}
-};
-
-
-/* Default mode for narrowband */
-const SpeexMode speex_nb_48k_mode = {
- &nb_48k_mode,
- nb_mode_query,
- "narrowband 4.8 kbps",
- 1000,
- 4,
- &nb_encoder_init,
- &nb_encoder_destroy,
- &nb_encode,
- &nb_decoder_init,
- &nb_decoder_destroy,
- &nb_decode,
- &nb_encoder_ctl,
- &nb_decoder_ctl,
-};
-
-
-#endif
int speex_mode_query(const SpeexMode *mode, int request, void *ptr)
{
return mode->query(mode->mode, request, ptr);
}
-const SpeexMode * speex_lib_get_mode (int mode)
-{
-#ifdef EPIC_48K
- if (mode == SPEEX_MODEID_NB_48K) return &speex_nb_48k_mode;
-#endif
-
- if (mode < 0 || mode >= SPEEX_NB_MODES) return NULL;
-
- return speex_mode_list[mode];
-}