diff options
Diffstat (limited to 'media/libstagefright/codecs/aacdec/window_block_fxp.h')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/window_block_fxp.h | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/media/libstagefright/codecs/aacdec/window_block_fxp.h b/media/libstagefright/codecs/aacdec/window_block_fxp.h deleted file mode 100644 index f936199..0000000 --- a/media/libstagefright/codecs/aacdec/window_block_fxp.h +++ /dev/null @@ -1,231 +0,0 @@ -/* ------------------------------------------------------------------ - * Copyright (C) 1998-2009 PacketVideo - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either - * express or implied. - * See the License for the specific language governing permissions - * and limitations under the License. - * ------------------------------------------------------------------- - */ -/* - - Pathname: window_block_fxp.h - - ------------------------------------------------------------------------------- - REVISION HISTORY - - Description: - modified function definition: Time_data from Int to Int32 - change wnd_shape from structure to passing parameters - delete definition of wnd_shape1, not needed. - - Description: Modified based on unit test comments - - Description: Change copyright, add () around constants. - - Description: - changed Long_Window_fxp and Short _Window_fxp tables definition, from - "const UInt16 *" to "const UInt16 * const" to avoid global variable - definition. - - Description: Updated function trans4m_freq_2_time_fxp definition - - Description: Modified function interface to add output_buffer - - - Description: - ------------------------------------------------------------------------------- - INCLUDE DESCRIPTION - - Header file for window and block switch - - ------------------------------------------------------------------------------- - REFERENCES - - (1) ISO/IEC 13818-7 Part 7: Advanced Audo Coding (AAC) - - - (2) MPEG-2 NBC Audio Decoder - "This software module was originally developed by AT&T, Dolby - Laboratories, Fraunhofer Gesellschaft IIS in the course of development - of the MPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7, 14496-1,2 and - 3. This software module is an implementation of a part of one or more - MPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4 - Audio standard. ISO/IEC gives users of the MPEG-2 NBC/MPEG-4 Audio - standards free license to this software module or modifications thereof - for use in hardware or software products claiming conformance to the - MPEG-2 NBC/MPEG-4 Audio standards. Those intending to use this software - module in hardware or software products are advised that this use may - infringe existing patents. The original developer of this software - module and his/her company, the subsequent editors and their companies, - and ISO/IEC have no liability for use of this software module or - modifications thereof in an implementation. Copyright is not released - for non MPEG-2 NBC/MPEG-4 Audio conforming products.The original - developer retains full right to use the code for his/her own purpose, - assign or donate the code to a third party and to inhibit third party - from using the code for non MPEG-2 NBC/MPEG-4 Audio conforming products. - This copyright notice must be included in all copies or derivative - works." - Copyright(c)1996. - ------------------------------------------------------------------------------- -*/ - -/*---------------------------------------------------------------------------- -; CONTINUE ONLY IF NOT ALREADY DEFINED -----------------------------------------------------------------------------*/ -#ifndef WINDOW_BLOCK_FXP_H -#define WINDOW_BLOCK_FXP_H - - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ -#include "pv_audio_type_defs.h" -#include "e_window_shape.h" -#include "e_window_sequence.h" - -/*---------------------------------------------------------------------------- -; MACROS -; Define module specific macros here -----------------------------------------------------------------------------*/ -#ifdef __cplusplus -extern "C" -{ -#endif - - /*---------------------------------------------------------------------------- - ; DEFINES - ; Include all pre-processor statements here. - ----------------------------------------------------------------------------*/ -#define LONG_WINDOW (1024) -#define SHORT_WINDOW (128) - -#define HALF_LONG_WINDOW (LONG_WINDOW>>1) -#define HALF_SHORT_WINDOW (SHORT_WINDOW>>1) - -#define NUM_SHORT_WINDOWS (8) -#define LONG_WINDOW_m_1 (LONG_WINDOW-1) -#define SHORT_WINDOW_m_1 (SHORT_WINDOW-1) - - /* - * Limits for window sequences, they are used to build - * each long window, they are defined in the standards - */ -#define W_L_START_1 ((3*LONG_WINDOW - SHORT_WINDOW)>>1) -#define W_L_START_2 ((3*LONG_WINDOW + SHORT_WINDOW)>>1) -#define W_L_STOP_1 ((LONG_WINDOW - SHORT_WINDOW)>>1) -#define W_L_STOP_2 ((LONG_WINDOW + SHORT_WINDOW)>>1) - - -#define LONG_BLOCK1 (2*LONG_WINDOW) -#define SHORT_BLOCK1 (2*SHORT_WINDOW) - - -#define SCALING 10 -#define ROUNDING (1<<(SCALING-1)) - - - /*---------------------------------------------------------------------------- - ; EXTERNAL VARIABLES REFERENCES - ; Declare variables used in this module but defined elsewhere - ----------------------------------------------------------------------------*/ - extern const Int16 Short_Window_KBD_fxp[ SHORT_WINDOW]; - extern const Int16 Long_Window_KBD_fxp[ LONG_WINDOW]; - extern const Int16 Short_Window_sine_fxp[ SHORT_WINDOW]; - extern const Int16 Long_Window_sine_fxp[ LONG_WINDOW]; - - extern const Int16 * const Long_Window_fxp[]; - extern const Int16 * const Short_Window_fxp[]; - - /*---------------------------------------------------------------------------- - ; SIMPLE TYPEDEF'S - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; ENUMERATED TYPEDEF'S - ----------------------------------------------------------------------------*/ - - - - /*---------------------------------------------------------------------------- - ; STRUCTURES TYPEDEF'S - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; GLOBAL FUNCTION DEFINITIONS - ; Function Prototype declaration - ----------------------------------------------------------------------------*/ - - void trans4m_freq_2_time_fxp( - Int32 Frequency_data[], - Int32 Time_data[], -#ifdef AAC_PLUS - Int32 Output_buffer[], -#else - Int16 Output_buffer[], -#endif - WINDOW_SEQUENCE wnd_seq, - Int wnd_shape_prev_bk, - Int wnd_shape_this_bk, - Int Q_format, - Int32 abs_max_per_window[], - Int32 freq_2_time_buffer[] , - Int16 *Interleave_output - ); - - - - void trans4m_freq_2_time_fxp_1( - Int32 Frequency_data[], - Int32 Time_data[], - Int16 Output_buffer[], - WINDOW_SEQUENCE wnd_seq, - Int wnd_shape_prev_bk, - Int wnd_shape_this_bk, - Int Q_format, - Int32 abs_max_per_window[], - Int32 freq_2_time_buffer[] - ); - - - void trans4m_freq_2_time_fxp_2( - Int32 Frequency_data[], - Int32 Time_data[], - WINDOW_SEQUENCE wnd_seq, - Int wnd_shape_prev_bk, - Int wnd_shape_this_bk, - Int Q_format, - Int32 abs_max_per_window[], - Int32 freq_2_time_buffer[] , - Int16 *Interleave_output - ); - - void trans4m_time_2_freq_fxp( - Int32 Time2Freq_data[], - WINDOW_SEQUENCE wnd_seq, - Int wnd_shape_prev_bk, - Int wnd_shape_this_bk, - Int *pQ_format, - Int32 mem_4_in_place_FFT[]); - - /*---------------------------------------------------------------------------- - ; END - ----------------------------------------------------------------------------*/ -#ifdef __cplusplus -} -#endif - -#endif /* WINDOW_BLOCK_FXP_H */ - |