summaryrefslogtreecommitdiffstats
path: root/media/libstagefright/codecs/aacdec/sbr_applied.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'media/libstagefright/codecs/aacdec/sbr_applied.cpp')
-rw-r--r--media/libstagefright/codecs/aacdec/sbr_applied.cpp435
1 files changed, 0 insertions, 435 deletions
diff --git a/media/libstagefright/codecs/aacdec/sbr_applied.cpp b/media/libstagefright/codecs/aacdec/sbr_applied.cpp
deleted file mode 100644
index c8b81b2..0000000
--- a/media/libstagefright/codecs/aacdec/sbr_applied.cpp
+++ /dev/null
@@ -1,435 +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.
- * -------------------------------------------------------------------
- */
-/*
-
- Filename: sbr_applied.c
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
-
- Who: Date: MM/DD/YYYY
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
- INPUT
-
- SBRDECODER self,
- SBRBITSTREAM * stream,
- float *timeData,
- int numChannels
-
- OUTPUT
-
- errorCode, noError if successful
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- sbr decoder processing, set up SBR decoder phase 2 in case of
- different cotrol data
-
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
-SC 29 Software Copyright Licencing Disclaimer:
-
-This software module was originally developed by
- Coding Technologies
-
-and edited by
- -
-
-in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
-standards for reference purposes and its performance may not have been
-optimized. This software module is an implementation of one or more tools as
-specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
-ISO/IEC gives users free license to this software module or modifications
-thereof for use in products claiming conformance to audiovisual and
-image-coding related ITU Recommendations and/or ISO/IEC International
-Standards. ISO/IEC gives users the same free license to this software module or
-modifications thereof for research purposes and further ISO/IEC standardisation.
-Those intending to use this software module in products are advised that its
-use may infringe existing patents. ISO/IEC have no liability for use of this
-software module or modifications thereof. Copyright is not released for
-products that do not conform to audiovisual and image-coding related ITU
-Recommendations and/or ISO/IEC International Standards.
-The original developer retains full right to modify and use the code for its
-own purpose, assign or donate the code to a third party and to inhibit third
-parties from using the code for products that do not conform to audiovisual and
-image-coding related ITU Recommendations and/or ISO/IEC International Standards.
-This copyright notice must be included in all copies or derivative works.
-Copyright (c) ISO/IEC 2002.
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
-*/
-
-
-/*----------------------------------------------------------------------------
-; INCLUDES
-----------------------------------------------------------------------------*/
-#ifdef AAC_PLUS
-
-
-#include "sbr_applied.h"
-#include "sbr_read_data.h"
-
-#include "sbr_decode_envelope.h"
-#include "decode_noise_floorlevels.h"
-#include "sbr_requantize_envelope_data.h"
-#include "sbr_envelope_unmapping.h"
-#include "sbr_dec.h"
-#include "e_sbr_element_id.h"
-#include "aac_mem_funcs.h"
-
-#ifdef PARAMETRICSTEREO
-#include "ps_bstr_decoding.h"
-#include "ps_allocate_decoder.h"
-
-#endif
-
-#include "init_sbr_dec.h"
-
-
-/*----------------------------------------------------------------------------
-; MACROS
-; Define module specific macros here
-----------------------------------------------------------------------------*/
-
-
-/*----------------------------------------------------------------------------
-; DEFINES
-; Include all pre-processor statements here. Include conditional
-; compile variables also.
-----------------------------------------------------------------------------*/
-#define LEFT (0)
-#define RIGHT (1)
-
-
-/*----------------------------------------------------------------------------
-; LOCAL FUNCTION DEFINITIONS
-; Function Prototype declaration
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL STORE/BUFFER/POINTER DEFINITIONS
-; Variable declaration - defined here and used outside this module
-----------------------------------------------------------------------------*/
-/*----------------------------------------------------------------------------
-; EXTERNAL FUNCTION REFERENCES
-; Declare functions defined elsewhere and referenced in this module
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
-; Declare variables used in this module but defined elsewhere
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-SBR_ERROR sbr_applied(SBRDECODER_DATA * self,
- SBRBITSTREAM * stream,
- Int16 *ch_left,
- Int16 *ch_right,
- Int16 *timeData,
- SBR_DEC *sbrDec,
- tDec_Int_File *pVars,
- Int32 numChannels)
-{
- SBR_ERROR err = SBRDEC_OK ;
-
- Int32 eleChannels = 0;
-
- SBR_CHANNEL *SbrChannel = self->SbrChannel;
-
- /* Get SBR or PS Data only when available */
- if (stream->NrElements)
- {
- /* read frame data from bitstream */
-
- err = sbr_read_data(self,
- sbrDec,
- stream);
-
- if (err != SBRDEC_OK)
- {
- /*
- * This error condition disables any further SBR processing
- */
- self->SbrChannel[LEFT].syncState = UPSAMPLING;
- if (eleChannels == 2)
- {
- self->SbrChannel[RIGHT].syncState = UPSAMPLING;
- }
- }
-
- /*
- * Setting bistream and decoding type is only done once,
- */
- if (SbrChannel[LEFT].syncState == SBR_ACTIVE && self->setStreamType)
- {
- self->setStreamType = 0; /* Disable Lock for AAC stream type setting */
-
-#ifdef HQ_SBR
-#ifdef PARAMETRICSTEREO
-
- Int sbrEnablePS = self->hParametricStereoDec->psDetected;
-
- pVars->mc_info.psPresentFlag = sbrEnablePS;
-
- if (sbrEnablePS) /* Initialize PS arrays */
- {
- pVars->mc_info.ExtendedAudioObjectType = MP4AUDIO_PS;
- ps_allocate_decoder(self, 32);
-
- /* Disable LC (or Enable HQ) if PS is detected */
- sbrDec->LC_aacP_DecoderFlag = OFF;
- }
- else
- {
- /*
- * Do not downgrade stream type from eaac+, if it has been explicitly declared
- */
- if (pVars->mc_info.ExtendedAudioObjectType != MP4AUDIO_PS)
- {
- pVars->mc_info.ExtendedAudioObjectType = MP4AUDIO_SBR;
-
- if (pVars->mc_info.nch > 1)
- {
- sbrDec->LC_aacP_DecoderFlag = ON; /* Enable LC for stereo */
- }
- else
- {
- sbrDec->LC_aacP_DecoderFlag = OFF; /* Disable LC, Enable HQ for mono */
- }
- }
- else
- {
- sbrEnablePS = 1; /* Force this condition as it was explicititly declared */
- pVars->mc_info.psPresentFlag = sbrEnablePS;
-
- }
- }
-#else
-
- pVars->mc_info.ExtendedAudioObjectType = MP4AUDIO_SBR;
-
- if (pVars->mc_info.nch > 1)
- {
- sbrDec->LC_aacP_DecoderFlag = ON; /* Enable LC for stereo */
- }
- else
- {
- sbrDec->LC_aacP_DecoderFlag = OFF; /* Disable LC, Enable HQ for mono */
- }
-#endif
-
-#else
- pVars->mc_info.ExtendedAudioObjectType = MP4AUDIO_SBR;
-
- sbrDec->LC_aacP_DecoderFlag = ON; /* Enable LC for all sbr decoding */
-
-#endif
-
- } /* (SbrChannel[LEFT].syncState == SBR_ACTIVE && lock) */
- else
- {
- /*
- * Default setting for upsampler
- */
- if (pVars->mc_info.ExtendedAudioObjectType == MP4AUDIO_AAC_LC)
- {
- /*
- * Change only in implicit signalling, otherwise keep original declaration
- */
- pVars->mc_info.ExtendedAudioObjectType = MP4AUDIO_SBR;
- }
-
-#ifdef HQ_SBR
- if (pVars->mc_info.nch > 1)
- {
- sbrDec->LC_aacP_DecoderFlag = ON; /* Enable LC for stereo */
- }
- else
- {
- sbrDec->LC_aacP_DecoderFlag = OFF; /* Disable LC, Enable HQ for mono */
- }
-#else
- sbrDec->LC_aacP_DecoderFlag = ON; /* Enable LC for all sbr decoding */
-
-#endif
- /* mask error and let upsampler run */
- err = SBRDEC_OK;
-
- }
-
- /* decoding */
- eleChannels = (stream->sbrElement [LEFT].ElementID == SBR_ID_CPE) ? 2 : 1;
-
- if (SbrChannel[LEFT].syncState == SBR_ACTIVE)
- {
-
- sbr_decode_envelope(&(SbrChannel[LEFT].frameData));
-
- decode_noise_floorlevels(&(SbrChannel[LEFT].frameData));
-
- if (! SbrChannel[LEFT].frameData.coupling)
- {
- sbr_requantize_envelope_data(&(SbrChannel[LEFT].frameData));
- }
-
- if (eleChannels == 2)
- {
-
- sbr_decode_envelope(&(SbrChannel[RIGHT].frameData));
-
- decode_noise_floorlevels(&(SbrChannel[RIGHT].frameData));
-
- if (SbrChannel[RIGHT].frameData.coupling)
- {
- sbr_envelope_unmapping(&(SbrChannel[ LEFT].frameData),
- &(SbrChannel[RIGHT].frameData));
- }
- else
- {
- sbr_requantize_envelope_data(&(SbrChannel[RIGHT].frameData));
- }
- }
- }
- else /* enable upsampling until valid SBR is obtained */
- {
- /*
- * Incomplete sbr frame, or disabled SBR section
- * Set the decoder to act as a regular upsampler
- */
-
- init_sbr_dec((sbrDec->outSampleRate >> 1),
- pVars->mc_info.upsamplingFactor,
- sbrDec,
- &(self->SbrChannel[LEFT].frameData));
-
- if ((eleChannels == 2) && (SbrChannel[RIGHT].syncState != SBR_ACTIVE))
- {
- init_sbr_dec((sbrDec->outSampleRate >> 1),
- pVars->mc_info.upsamplingFactor,
- sbrDec,
- &(self->SbrChannel[RIGHT].frameData));
-
- }
-
- }
-
- }
-
-
-#ifdef HQ_SBR
-#ifdef PARAMETRICSTEREO
- if (pVars->mc_info.ExtendedAudioObjectType == MP4AUDIO_PS)
- {
- ps_bstr_decoding(self->hParametricStereoDec);
- /* allocate pointer for rigth channel qmf filter history */
- Int16 *tempInt16Ptr = (Int16 *)SbrChannel[RIGHT].frameData.V;
- self->hParametricStereoDec->R_ch_qmf_filter_history = (Int32 *)tempInt16Ptr;
-
-
- /*
- * 1824 (48*38) Int32 needed by each matrix sbrQmfBufferReal, sbrQmfBufferImag
- * pVars->share.predictedSamples has 2048 available
- * pVars->fxpCoef[1] has 2048 available
- */
- SbrChannel[LEFT].frameData.sbrQmfBufferReal = pVars->share.predictedSamples;
- SbrChannel[LEFT].frameData.sbrQmfBufferImag = &pVars->fxpCoef[0][920];
-
- sbr_dec(ch_left,
- timeData,
- &(SbrChannel[LEFT].frameData),
- (SbrChannel[LEFT].syncState == SBR_ACTIVE),
- sbrDec,
- &timeData[RIGHT],
- self->hParametricStereoDec,
- pVars);
- }
- else
- {
-#endif
-#endif
-
- SbrChannel[LEFT].frameData.sbrQmfBufferReal = pVars->fxpCoef[LEFT];
-#ifdef HQ_SBR
- SbrChannel[LEFT].frameData.sbrQmfBufferImag = pVars->fxpCoef[RIGHT];
-#endif
-
- sbr_dec(ch_left,
- timeData,
- &(SbrChannel[LEFT].frameData),
- (SbrChannel[LEFT].syncState == SBR_ACTIVE),
- sbrDec,
-#ifdef HQ_SBR
-#ifdef PARAMETRICSTEREO
- NULL,
- NULL,
-#endif
-#endif
- pVars);
-
- if (numChannels == 2)
- {
- SbrChannel[RIGHT].frameData.sbrQmfBufferReal = pVars->fxpCoef[LEFT];
-#ifdef HQ_SBR
- SbrChannel[RIGHT].frameData.sbrQmfBufferImag = pVars->fxpCoef[RIGHT];
-#endif
-
- sbr_dec(ch_right,
- &timeData[RIGHT],
- &(SbrChannel[RIGHT].frameData),
- (SbrChannel[RIGHT].syncState == SBR_ACTIVE),
- sbrDec,
-#ifdef HQ_SBR
-#ifdef PARAMETRICSTEREO
- NULL,
- NULL,
-#endif
-#endif
- pVars);
-
- }
-
-
-#ifdef HQ_SBR
-#ifdef PARAMETRICSTEREO
- }
-#endif
-#endif
-
- return err;
-}
-
-
-#endif
-
generated by cgit v1.1 at 2024-06-01 10:35:26 +0000