diff options
Diffstat (limited to 'media/libstagefright/codecs/mp3dec/src/pvmp3_get_main_data_size.cpp')
| -rw-r--r-- | media/libstagefright/codecs/mp3dec/src/pvmp3_get_main_data_size.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/media/libstagefright/codecs/mp3dec/src/pvmp3_get_main_data_size.cpp b/media/libstagefright/codecs/mp3dec/src/pvmp3_get_main_data_size.cpp deleted file mode 100644 index 423a7b1..0000000 --- a/media/libstagefright/codecs/mp3dec/src/pvmp3_get_main_data_size.cpp +++ /dev/null @@ -1,180 +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_get_main_data_size.cpp - - Date: 09/21/2007 - ------------------------------------------------------------------------------- - REVISION HISTORY - - - Description: - ------------------------------------------------------------------------------- - INPUT AND OUTPUT DEFINITIONS - - Input - mp3Header *info, pointer to mp3 header info structure - tmp3dec_file *pVars - contains information that needs to persist - between calls to this function, or is too big to - be placed on the stack, even though the data is - only needed during execution of this function - - Returns - - main data frame size - ------------------------------------------------------------------------------- - FUNCTION DESCRIPTION - - get main data frame size - ------------------------------------------------------------------------------- - REQUIREMENTS - - ------------------------------------------------------------------------------- - REFERENCES - - [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) - ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension - ------------------------------------------------------------------------------- - PSEUDO-CODE - ------------------------------------------------------------------------------- -*/ - - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ - -#include "pvmp3_tables.h" -#include "pvmp3_get_main_data_size.h" -#include "pv_mp3dec_fxd_op.h" - - -/*---------------------------------------------------------------------------- -; MACROS -; Define module 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 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 -----------------------------------------------------------------------------*/ - -int32 pvmp3_get_main_data_size(mp3Header *info, - tmp3dec_file *pVars) -{ - - - int32 numBytes = fxp_mul32_Q28(mp3_bitrate[info->version_x][info->bitrate_index] << 20, - inv_sfreq[info->sampling_frequency]); - - - numBytes >>= (20 - info->version_x); - - /* - * Remove the size of the side information from the main data total - */ - if (info->version_x == MPEG_1) - { - pVars->predicted_frame_size = numBytes; - if (info->mode == MPG_MD_MONO) - { - numBytes -= 17; - } - else - { - numBytes -= 32; - } - } - else - { - numBytes >>= 1; - pVars->predicted_frame_size = numBytes; - - if (info->mode == MPG_MD_MONO) - { - numBytes -= 9; - } - else - { - numBytes -= 17; - } - } - - if (info->padding) - { - numBytes++; - pVars->predicted_frame_size++; - } - - if (info->error_protection) - { - numBytes -= 6; - } - else - { - numBytes -= 4; - } - - - if (numBytes < 0) - { - numBytes = 0; - } - - return(numBytes); -} - |