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-rw-r--r--media/libstagefright/codecs/mp3dec/src/pvmp3_polyphase_filter_window.cpp239
1 files changed, 0 insertions, 239 deletions
diff --git a/media/libstagefright/codecs/mp3dec/src/pvmp3_polyphase_filter_window.cpp b/media/libstagefright/codecs/mp3dec/src/pvmp3_polyphase_filter_window.cpp
deleted file mode 100644
index 8380437..0000000
--- a/media/libstagefright/codecs/mp3dec/src/pvmp3_polyphase_filter_window.cpp
+++ /dev/null
@@ -1,239 +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.
- * -------------------------------------------------------------------
- */
-
-/*
-------------------------------------------------------------------------------
-
- PacketVideo Corp.
- MP3 Decoder Library
-
- Filename: pvmp3_polyphase_filter_window.cpp
-
- Date: 09/21/2007
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
-
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
-
-Input
- int32 *synth_buffer, synthesis input buffer
- int16 *outPcm, generated output ( 32 values)
- int32 numChannels number of channels
- Returns
-
- int16 *outPcm
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- apply polyphase filter window
- Input 32 subband samples
- Calculate 64 values
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
- [1] ISO MPEG Audio Subgroup Software Simulation Group (1996)
- ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
-*/
-
-#if ( !defined(PV_ARM_GCC_V5) && !defined(PV_ARM_GCC_V4) && !defined(PV_ARM_V5) && !defined(PV_ARM_V4) )
-/*----------------------------------------------------------------------------
-; INCLUDES
-----------------------------------------------------------------------------*/
-
-#include "pvmp3_polyphase_filter_window.h"
-#include "pv_mp3dec_fxd_op.h"
-#include "pvmp3_dec_defs.h"
-#include "pvmp3_tables.h"
-
-/*----------------------------------------------------------------------------
-; MACROS
-; Define module1 specific macros here
-----------------------------------------------------------------------------*/
-
-
-
-/*----------------------------------------------------------------------------
-; DEFINES
-; Include all pre-processor statements here. Include conditional
-; compile variables also.
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL FUNCTION DEFINITIONS
-; Function Prototype declaration
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL STORE/BUFFER/POINTER DEFINITIONS
-; Variable declaration - defined here and used outside this module1
-----------------------------------------------------------------------------*/
-/*----------------------------------------------------------------------------
-; EXTERNAL FUNCTION REFERENCES
-; Declare functions defined elsewhere and referenced in this module_x
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
-; Declare variables used in this module_x but defined elsewhere
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-void pvmp3_polyphase_filter_window(int32 *synth_buffer,
- int16 *outPcm,
- int32 numChannels)
-{
- int32 sum1;
- int32 sum2;
- const int32 *winPtr = pqmfSynthWin;
- int32 i;
-
-
- for (int16 j = 1; j < SUBBANDS_NUMBER / 2; j++)
- {
- sum1 = 0x00000020;
- sum2 = 0x00000020;
-
-
- for (i = (SUBBANDS_NUMBER >> 1);
- i < HAN_SIZE + (SUBBANDS_NUMBER >> 1);
- i += SUBBANDS_NUMBER << 4)
- {
- int32 *pt_1 = &synth_buffer[ i+j];
- int32 *pt_2 = &synth_buffer[ i-j];
- int32 temp1 = pt_1[ 0];
- int32 temp3 = pt_2[ SUBBANDS_NUMBER*15 ];
- int32 temp2 = pt_2[ SUBBANDS_NUMBER* 1 ];
- int32 temp4 = pt_1[ SUBBANDS_NUMBER*14 ];
-
- sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[ 0]);
- sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[ 0]);
- sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[ 1]);
- sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[ 1]);
- sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[ 2]);
- sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[ 2]);
- sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[ 3]);
- sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[ 3]);
-
- temp1 = pt_1[ SUBBANDS_NUMBER* 2];
- temp3 = pt_2[ SUBBANDS_NUMBER*13];
- temp2 = pt_2[ SUBBANDS_NUMBER* 3];
- temp4 = pt_1[ SUBBANDS_NUMBER*12];
-
- sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[ 4]);
- sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[ 4]);
- sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[ 5]);
- sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[ 5]);
- sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[ 6]);
- sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[ 6]);
- sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[ 7]);
- sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[ 7]);
-
- temp1 = pt_1[ SUBBANDS_NUMBER* 4 ];
- temp3 = pt_2[ SUBBANDS_NUMBER*11 ];
- temp2 = pt_2[ SUBBANDS_NUMBER* 5 ];
- temp4 = pt_1[ SUBBANDS_NUMBER*10 ];
-
- sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[ 8]);
- sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[ 8]);
- sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[ 9]);
- sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[ 9]);
- sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[10]);
- sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[10]);
- sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[11]);
- sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[11]);
-
- temp1 = pt_1[ SUBBANDS_NUMBER*6 ];
- temp3 = pt_2[ SUBBANDS_NUMBER*9 ];
- temp2 = pt_2[ SUBBANDS_NUMBER*7 ];
- temp4 = pt_1[ SUBBANDS_NUMBER*8 ];
-
- sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[12]);
- sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[12]);
- sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[13]);
- sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[13]);
- sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[14]);
- sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[14]);
- sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[15]);
- sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[15]);
-
- winPtr += 16;
- }
-
-
-
- int32 k = j << (numChannels - 1);
- outPcm[k] = saturate16(sum1 >> 6);
- outPcm[(numChannels<<5) - k] = saturate16(sum2 >> 6);
- }
-
-
-
- sum1 = 0x00000020;
- sum2 = 0x00000020;
-
-
- for (i = 16; i < HAN_SIZE + 16; i += (SUBBANDS_NUMBER << 2))
- {
- int32 *pt_synth = &synth_buffer[i];
- int32 temp1 = pt_synth[ 0 ];
- int32 temp2 = pt_synth[ SUBBANDS_NUMBER ];
- int32 temp3 = pt_synth[ SUBBANDS_NUMBER/2];
-
- sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[0]) ;
- sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[1]) ;
- sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[2]) ;
-
- temp1 = pt_synth[ SUBBANDS_NUMBER<<1 ];
- temp2 = pt_synth[ 3*SUBBANDS_NUMBER ];
- temp3 = pt_synth[ SUBBANDS_NUMBER*5/2];
-
- sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[3]) ;
- sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[4]) ;
- sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[5]) ;
-
- winPtr += 6;
- }
-
-
- outPcm[0] = saturate16(sum1 >> 6);
- outPcm[(SUBBANDS_NUMBER/2)<<(numChannels-1)] = saturate16(sum2 >> 6);
-
-
-}
-
-#endif // If not assembly
-
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