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Diffstat (limited to 'drivers/speex/speex_stereo.h')
-rw-r--r-- | drivers/speex/speex_stereo.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/drivers/speex/speex_stereo.h b/drivers/speex/speex_stereo.h deleted file mode 100644 index a259713b82..0000000000 --- a/drivers/speex/speex_stereo.h +++ /dev/null @@ -1,91 +0,0 @@ -/* Copyright (C) 2002 Jean-Marc Valin*/ -/** - @file speex_stereo.h - @brief Describes the handling for intensity stereo -*/ -/* - 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. -*/ - -#ifndef STEREO_H -#define STEREO_H -/** @defgroup SpeexStereoState SpeexStereoState: Handling Speex stereo files - * This describes the Speex intensity stereo encoding/decoding - * @{ - */ - -#include "speex/speex_types.h" -#include "speex/speex_bits.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** If you access any of these fields directly, I'll personally come and bite you */ -typedef struct SpeexStereoState { - float balance; /**< Left/right balance info */ - float e_ratio; /**< Ratio of energies: E(left+right)/[E(left)+E(right)] */ - float smooth_left; /**< Smoothed left channel gain */ - float smooth_right; /**< Smoothed right channel gain */ - float reserved1; /**< Reserved for future use */ - float reserved2; /**< Reserved for future use */ -} SpeexStereoState; - -/** Deprecated. Use speex_stereo_state_init() instead. */ -#define SPEEX_STEREO_STATE_INIT {1,.5,1,1,0,0} - -/** Initialise/create a stereo stereo state */ -SpeexStereoState *speex_stereo_state_init(); - -/** Reset/re-initialise an already allocated stereo state */ -void speex_stereo_state_reset(SpeexStereoState *stereo); - -/** Destroy a stereo stereo state */ -void speex_stereo_state_destroy(SpeexStereoState *stereo); - -/** Transforms a stereo frame into a mono frame and stores intensity stereo info in 'bits' */ -void speex_encode_stereo(float *data, int frame_size, SpeexBits *bits); - -/** Transforms a stereo frame into a mono frame and stores intensity stereo info in 'bits' */ -void speex_encode_stereo_int(spx_int16_t *data, int frame_size, SpeexBits *bits); - -/** Transforms a mono frame into a stereo frame using intensity stereo info */ -void speex_decode_stereo(float *data, int frame_size, SpeexStereoState *stereo); - -/** Transforms a mono frame into a stereo frame using intensity stereo info */ -void speex_decode_stereo_int(spx_int16_t *data, int frame_size, SpeexStereoState *stereo); - -/** Callback handler for intensity stereo info */ -int speex_std_stereo_request_handler(SpeexBits *bits, void *state, void *data); - -#ifdef __cplusplus -} -#endif - -/** @} */ -#endif |