diff options
Diffstat (limited to 'arm-wt-22k/host_src/eas_wave.c')
| -rw-r--r-- | arm-wt-22k/host_src/eas_wave.c | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/arm-wt-22k/host_src/eas_wave.c b/arm-wt-22k/host_src/eas_wave.c deleted file mode 100644 index 02fed6e..0000000 --- a/arm-wt-22k/host_src/eas_wave.c +++ /dev/null @@ -1,423 +0,0 @@ -/*----------------------------------------------------------------------------
- *
- * File:
- * eas_wave.c
- *
- * Contents and purpose:
- * This module contains .WAV file functions for the EAS synthesizer
- * test harness.
- *
- * Copyright Sonic Network Inc. 2005
- - * 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. - *----------------------------------------------------------------------------
- * Revision Control:
- * $Revision: 658 $
- * $Date: 2007-04-24 13:35:49 -0700 (Tue, 24 Apr 2007) $
- *----------------------------------------------------------------------------
-*/
-
-/* lint complaints about most C library headers, so we use our own during lint step */
-#ifdef _lint
-#include "lint_stdlib.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#endif
-
-#include "eas_wave.h"
-
-/* .WAV file format tags */
-const EAS_U32 riffTag = 0x46464952;
-const EAS_U32 waveTag = 0x45564157;
-const EAS_U32 fmtTag = 0x20746d66;
-const EAS_U32 dataTag = 0x61746164;
-
-#ifdef _BIG_ENDIAN
-/*----------------------------------------------------------------------------
- * FlipDWord()
- *----------------------------------------------------------------------------
- * Purpose: Endian flip a DWORD for big-endian processors
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-static void FlipDWord (EAS_U32 *pValue)
-{
- EAS_U8 *p;
- EAS_U32 temp;
-
- p = (EAS_U8*) pValue;
- temp = (((((p[3] << 8) | p[2]) << 8) | p[1]) << 8) | p[0];
- *pValue = temp;
-}
-
-/*----------------------------------------------------------------------------
- * FlipWord()
- *----------------------------------------------------------------------------
- * Purpose: Endian flip a WORD for big-endian processors
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-static void FlipWord (EAS_U16 *pValue)
-{
- EAS_U8 *p;
- EAS_U16 temp;
-
- p = (EAS_U8*) pValue;
- temp = (p[1] << 8) | p[0];
- *pValue = temp;
-}
-
-/*----------------------------------------------------------------------------
- * FlipWaveHeader()
- *----------------------------------------------------------------------------
- * Purpose: Endian flip the wave header for big-endian processors
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-static void FlipWaveHeader (WAVE_HEADER *p)
-{
-
- FlipDWord(&p->nRiffTag);
- FlipDWord(&p->nRiffSize);
- FlipDWord(&p->nWaveTag);
- FlipDWord(&p->nFmtTag);
- FlipDWord(&p->nFmtSize);
- FlipDWord(&p->nDataTag);
- FlipDWord(&p->nDataSize);
- FlipWord(&p->fc.wFormatTag);
- FlipWord(&p->fc.nChannels);
- FlipDWord(&p->fc.nSamplesPerSec);
- FlipDWord(&p->fc.nAvgBytesPerSec);
- FlipWord(&p->fc.nBlockAlign);
- FlipWord(&p->fc.wBitsPerSample);
-
-}
-#endif
-
-/*----------------------------------------------------------------------------
- * WaveFileCreate()
- *----------------------------------------------------------------------------
- * Purpose: Opens a wave file for writing and writes the header
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-
-WAVE_FILE *WaveFileCreate (const char *filename, EAS_I32 nChannels, EAS_I32 nSamplesPerSec, EAS_I32 wBitsPerSample)
-{
- WAVE_FILE *wFile;
-
- /* allocate memory */
- wFile = malloc(sizeof(WAVE_FILE));
- if (!wFile)
- return NULL;
- wFile->write = EAS_TRUE;
-
- /* create the file */
- wFile->file = fopen(filename,"wb");
- if (!wFile->file)
- {
- free(wFile);
- return NULL;
- }
-
- /* initialize PCM format .WAV file header */
- wFile->wh.nRiffTag = riffTag;
- wFile->wh.nRiffSize = sizeof(WAVE_HEADER) - 8;
- wFile->wh.nWaveTag = waveTag;
- wFile->wh.nFmtTag = fmtTag;
- wFile->wh.nFmtSize = sizeof(FMT_CHUNK);
-
- /* initalize 'fmt' chunk */
- wFile->wh.fc.wFormatTag = 1;
- wFile->wh.fc.nChannels = (EAS_U16) nChannels;
- wFile->wh.fc.nSamplesPerSec = (EAS_U32) nSamplesPerSec;
- wFile->wh.fc.wBitsPerSample = (EAS_U16) wBitsPerSample;
- wFile->wh.fc.nBlockAlign = (EAS_U16) (nChannels * (EAS_U16) (wBitsPerSample / 8));
- wFile->wh.fc.nAvgBytesPerSec = wFile->wh.fc.nBlockAlign * (EAS_U32) nSamplesPerSec;
-
- /* initialize 'data' chunk */
- wFile->wh.nDataTag = dataTag;
- wFile->wh.nDataSize = 0;
-
-#ifdef _BIG_ENDIAN
- FlipWaveHeader(&wFile->wh);
-#endif
-
- /* write the header */
- if (fwrite(&wFile->wh, sizeof(WAVE_HEADER), 1, wFile->file) != 1)
- {
- fclose(wFile->file);
- free(wFile);
- return NULL;
- }
-
-#ifdef _BIG_ENDIAN
- FlipWaveHeader(&wFile->wh);
-#endif
-
- /* return the file handle */
- return wFile;
-} /* end WaveFileCreate */
-
-/*----------------------------------------------------------------------------
- * WaveFileWrite()
- *----------------------------------------------------------------------------
- * Purpose: Writes data to the wave file
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-EAS_I32 WaveFileWrite (WAVE_FILE *wFile, void *buffer, EAS_I32 n)
-{
- EAS_I32 count;
-
- /* make sure we have an open file */
- if (wFile == NULL)
- {
- return 0;
- }
-
-#ifdef _BIG_ENDIAN
- {
- EAS_I32 i;
- EAS_U16 *p;
- p = buffer;
- i = n >> 1;
- while (i--)
- FlipWord(p++);
- }
-#endif
-
- /* write the data */
- count = (EAS_I32) fwrite(buffer, 1, (size_t) n, wFile->file);
-
- /* add the number of bytes written */
- wFile->wh.nRiffSize += (EAS_U32) count;
- wFile->wh.nDataSize += (EAS_U32) count;
-
- /* return the count of bytes written */
- return count;
-} /* end WriteWaveHeader */
-
-/*----------------------------------------------------------------------------
- * WaveFileClose()
- *----------------------------------------------------------------------------
- * Purpose: Opens a wave file for writing and writes the header
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-
-EAS_BOOL WaveFileClose (WAVE_FILE *wFile)
-{
- EAS_I32 count = 1;
-
- /* return to beginning of file and write the header */
- if (wFile->write)
- {
- if (fseek(wFile->file, 0L, SEEK_SET) == 0)
- {
-
-#ifdef _BIG_ENDIAN
- FlipWaveHeader(&wFile->wh);
-#endif
- count = (EAS_I32) fwrite(&wFile->wh, sizeof(WAVE_HEADER), 1, wFile->file);
-#ifdef _BIG_ENDIAN
- FlipWaveHeader(&wFile->wh);
-#endif
- }
- }
-
- /* close the file */
- if (fclose(wFile->file) != 0)
- count = 0;
-
- /* free the memory */
- free(wFile);
-
- /* return the file handle */
- return (count == 1 ? EAS_TRUE : EAS_FALSE);
-} /* end WaveFileClose */
-
-#ifdef _WAVE_FILE_READ
-#ifdef _BIG_ENDIAN
-#error "WaveFileOpen not currently supported on big-endian processors"
-#endif
-/*----------------------------------------------------------------------------
- * WaveFileOpen()
- *----------------------------------------------------------------------------
- * Purpose: Opens a wave file for reading and reads the header
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-
-WAVE_FILE *WaveFileOpen (const char *filename)
-{
- WAVE_FILE *wFile;
- struct
- {
- EAS_U32 tag;
- EAS_U32 size;
- } chunk;
- EAS_U32 tag;
- EAS_I32 startChunkPos;
- EAS_INT state;
- EAS_BOOL done;
-
- /* allocate memory */
- wFile = malloc(sizeof(WAVE_FILE));
- if (!wFile)
- return NULL;
-
- /* open the file */
- wFile->write = EAS_FALSE;
- wFile->file = fopen(filename,"rb");
- if (!wFile->file)
- {
- free(wFile);
- return NULL;
- }
-
- /* make lint happy */
- chunk.tag = chunk.size = 0;
- startChunkPos = 0;
-
- /* read the RIFF tag and file size */
- state = 0;
- done = EAS_FALSE;
- while (!done)
- {
-
- switch(state)
- {
- /* read the RIFF tag */
- case 0:
- if (fread(&chunk, sizeof(chunk), 1, wFile->file) != 1)
- done = EAS_TRUE;
- else
- {
- if (chunk.tag != riffTag)
- done = EAS_TRUE;
- else
- state++;
- }
- break;
-
- /* read the WAVE tag */
- case 1:
- if (fread(&tag, sizeof(tag), 1, wFile->file) != 1)
- done = EAS_TRUE;
- else
- {
- if (tag != waveTag)
- done = EAS_TRUE;
- else
- state++;
- }
- break;
-
- /* looking for fmt chunk */
- case 2:
- if (fread(&chunk, sizeof(chunk), 1, wFile->file) != 1)
- done = EAS_TRUE;
- else
- {
- startChunkPos = ftell(wFile->file);
-
- /* not fmt tag, skip it */
- if (chunk.tag != fmtTag)
- fseek(wFile->file, startChunkPos + (EAS_I32) chunk.size, SEEK_SET);
- else
- state++;
- }
- break;
-
- /* read fmt chunk */
- case 3:
- if (fread(&wFile->wh.fc, sizeof(FMT_CHUNK), 1, wFile->file) != 1)
- done = EAS_TRUE;
- else
- {
- fseek(wFile->file, startChunkPos + (EAS_I32) chunk.size, SEEK_SET);
- state++;
- }
- break;
-
- /* looking for data chunk */
- case 4:
- if (fread(&chunk, sizeof(chunk), 1, wFile->file) != 1)
- done = EAS_TRUE;
- else
- {
- startChunkPos = ftell(wFile->file);
-
- /* not data tag, skip it */
- if (chunk.tag != dataTag)
- fseek(wFile->file, startChunkPos + (EAS_I32) chunk.size, SEEK_SET);
- else
- {
- wFile->dataSize = chunk.size;
- state++;
- done = EAS_TRUE;
- }
- }
- break;
-
- default:
- done = EAS_TRUE;
- break;
- }
- }
-
- /* if not final state, an error occurred */
- if (state != 5)
- {
- fclose(wFile->file);
- free(wFile);
- return NULL;
- }
-
- /* return the file handle */
- return wFile;
-} /* end WaveFileOpen */
-#endif
-
-
-
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