088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#include "ixheaac_type_def.h"
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#include "ixheaace_wave_read.h"
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WORD32 ia_enhaacplus_enc_get_wav_info(UWORD8 *inptr, wav_file_info *wav_info) {
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UWORD8 *wav_hdr = inptr;
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WORD8 data_start[4];
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WORD16 num_ch;
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UWORD16 f_samp;
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if (wav_hdr[0] != 'R' && wav_hdr[1] != 'I' && wav_hdr[2] != 'F' && wav_hdr[3] != 'F') {
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return 0;
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}
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if (wav_hdr[20] != 01 && wav_hdr[21] != 00) {
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return 0;
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}
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num_ch = (WORD16)((UWORD8)wav_hdr[23] * 256 + (UWORD8)wav_hdr[22]);
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f_samp = ((UWORD8)wav_hdr[27] * 256 * 256 * 256);
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f_samp += ((UWORD8)wav_hdr[26] * 256 * 256);
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f_samp += ((UWORD8)wav_hdr[25] * 256);
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f_samp += ((UWORD8)wav_hdr[24]);
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wav_info->num_channels = num_ch;
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wav_info->sample_rate = f_samp;
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data_start[0] = wav_hdr[36];
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data_start[1] = wav_hdr[37];
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data_start[2] = wav_hdr[38];
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data_start[3] = wav_hdr[39];
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if (!(data_start[0] == 'd' && data_start[1] == 'a' && data_start[2] == 't' &&
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data_start[3] == 'a')) {
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return 0;
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}
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return 1;
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}
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