diff options
Diffstat (limited to 'arm-fm-22k/host_src/eas_main.c')
| -rw-r--r-- | arm-fm-22k/host_src/eas_main.c | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/arm-fm-22k/host_src/eas_main.c b/arm-fm-22k/host_src/eas_main.c new file mode 100644 index 0000000..809a132 --- /dev/null +++ b/arm-fm-22k/host_src/eas_main.c @@ -0,0 +1,461 @@ +/*----------------------------------------------------------------------------
+ *
+ * File:
+ * eas_main.c
+ *
+ * Contents and purpose:
+ * The entry point and high-level functions for the EAS Synthesizer test
+ * harness.
+ *
+ * Copyright Sonic Network Inc. 2004
+ + * 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: 775 $
+ * $Date: 2007-07-20 10:11:11 -0700 (Fri, 20 Jul 2007) $
+ *----------------------------------------------------------------------------
+*/
+
+#ifdef _lint
+#include "lint_stdlib.h"
+#else
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#endif
+
+#include "eas.h"
+#include "eas_wave.h"
+#include "eas_report.h"
+
+/* determines how many EAS buffers to fill a host buffer */
+#define NUM_BUFFERS 8
+
+/* default file to play if no filename is specified on the command line */
+static const char defaultTestFile[] = "test.mid";
+
+EAS_I32 polyphony;
+
+/* prototypes for helper functions */
+static void StrCopy(char *dest, const char *src, EAS_I32 size);
+static EAS_BOOL ChangeFileExt(char *str, const char *ext, EAS_I32 size);
+static EAS_RESULT PlayFile (EAS_DATA_HANDLE easData, const char* filename, const char* outputFile, const S_EAS_LIB_CONFIG *pLibConfig, void *buffer, EAS_I32 bufferSize);
+static EAS_BOOL EASLibraryCheck (const S_EAS_LIB_CONFIG *pLibConfig);
+
+/* main is defined after playfile to avoid the need for two passes through lint */
+
+/*----------------------------------------------------------------------------
+ * PlayFile()
+ *----------------------------------------------------------------------------
+ * Purpose:
+ * This function plays the file requested by filename
+ *
+ * Inputs:
+ *
+ * Outputs:
+ *
+ *----------------------------------------------------------------------------
+*/
+
+static EAS_RESULT PlayFile (EAS_DATA_HANDLE easData, const char* filename, const char* outputFile, const S_EAS_LIB_CONFIG *pLibConfig, void *buffer, EAS_I32 bufferSize)
+{
+ EAS_HANDLE handle;
+ EAS_RESULT result, reportResult;
+ EAS_I32 count;
+ EAS_STATE state;
+ EAS_I32 playTime;
+ char waveFilename[256];
+ WAVE_FILE *wFile;
+ EAS_INT i;
+ EAS_PCM *p;
+
+ /* determine the name of the output file */
+ wFile = NULL;
+ if (outputFile == NULL)
+ {
+ StrCopy(waveFilename, filename, sizeof(waveFilename));
+ if (!ChangeFileExt(waveFilename, "wav", sizeof(waveFilename)))
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "Error in output filename %s\n", waveFilename); */ }
+ return EAS_FAILURE;
+ }
+ outputFile = waveFilename;
+ }
+
+ /* call EAS library to open file */
+ if ((reportResult = EAS_OpenFile(easData, filename, &handle)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_OpenFile returned %ld\n", reportResult); */ }
+ return reportResult;
+ }
+
+ /* prepare to play the file */
+ if ((result = EAS_Prepare(easData, handle)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_Prepare returned %ld\n", result); */ }
+ reportResult = result;
+ }
+
+ /* get play length */
+ if ((result = EAS_ParseMetaData(easData, handle, &playTime)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_ParseMetaData returned %ld\n", result); */ }
+ return result;
+ }
+ EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0xe624f4d9, 0x00000005 , playTime / 1000, playTime % 1000);
+
+ if (reportResult == EAS_SUCCESS)
+ {
+ /* create the output file */
+ wFile = WaveFileCreate(outputFile, pLibConfig->numChannels, pLibConfig->sampleRate, sizeof(EAS_PCM) * 8);
+ if (!wFile)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "Unable to create output file %s\n", waveFilename); */ }
+ reportResult = EAS_FAILURE;
+ }
+ }
+
+ /* rendering loop */
+ while (reportResult == EAS_SUCCESS)
+ {
+
+ /* we may render several buffers here to fill one host buffer */
+ for (i = 0, p = buffer; i < NUM_BUFFERS; i++, p+= pLibConfig->mixBufferSize * pLibConfig->numChannels)
+ {
+
+ /* get the current time */
+ if ((result = EAS_GetLocation(easData, handle, &playTime)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_GetLocation returned %d\n",result); */ }
+ if (reportResult == EAS_SUCCESS)
+ reportResult = result;
+ break;
+ }
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_DETAIL, "Parser time: %d.%03d\n", playTime / 1000, playTime % 1000); */ }
+
+ /* render a buffer of audio */
+ if ((result = EAS_Render(easData, p, pLibConfig->mixBufferSize, &count)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_Render returned %d\n",result); */ }
+ if (reportResult == EAS_SUCCESS)
+ reportResult = result;
+ }
+ }
+
+ if (result == EAS_SUCCESS)
+ {
+ /* write it to the wave file */
+ if (WaveFileWrite(wFile, buffer, bufferSize) != bufferSize)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "WaveFileWrite failed\n"); */ }
+ reportResult = EAS_FAILURE;
+ }
+ }
+
+ if (reportResult == EAS_SUCCESS)
+ {
+ /* check stream state */
+ if ((result = EAS_State(easData, handle, &state)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_State returned %d\n", result); */ }
+ reportResult = result;
+ }
+
+ /* is playback complete */
+ if ((state == EAS_STATE_STOPPED) || (state == EAS_STATE_ERROR))
+ break;
+ }
+ }
+
+ /* close the output file */
+ if (wFile)
+ {
+ if (!WaveFileClose(wFile))
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "Error closing wave file %s\n", waveFilename); */ }
+ if (reportResult == EAS_SUCCESS)
+ result = EAS_FAILURE;
+ }
+ }
+
+ /* close the input file */
+ if ((result = EAS_CloseFile(easData,handle)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "EAS_Close returned %ld\n", result); */ }
+ if (reportResult == EAS_SUCCESS)
+ result = EAS_FAILURE;
+ }
+
+ return reportResult;
+} /* end PlayFile */
+
+/*----------------------------------------------------------------------------
+ * main()
+ *----------------------------------------------------------------------------
+ * Purpose: The entry point for the EAS sample application
+ *
+ * Inputs:
+ *
+ * Outputs:
+ *
+ *----------------------------------------------------------------------------
+*/
+int main( int argc, char **argv )
+{
+ EAS_DATA_HANDLE easData;
+ const S_EAS_LIB_CONFIG *pLibConfig;
+ void *buffer;
+ EAS_RESULT result, playResult;
+ EAS_I32 bufferSize;
+ int i;
+ int temp;
+ FILE *debugFile;
+ char *outputFile = NULL;
+
+ /* set the error reporting level */
+ EAS_SetDebugLevel(_EAS_SEVERITY_INFO);
+ debugFile = NULL;
+
+ /* process command-line arguments */
+ for (i = 1; i < argc; i++)
+ {
+ /* check for switch */
+ if (argv[i][0] == '-')
+ {
+ switch (argv[i][1])
+ {
+ case 'd':
+ temp = argv[i][2];
+ if ((temp >= '0') || (temp <= '9'))
+ EAS_SetDebugLevel(temp);
+ else
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_WARNING, "Invalid debug level %d\n", temp); */ }
+ break;
+ case 'f':
+ if ((debugFile = fopen(&argv[i][2],"w")) == NULL)
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_WARNING, "Unable to create debug file %s\n", &argv[i][2]); */ }
+ else
+ EAS_SetDebugFile(debugFile, EAS_TRUE);
+ break;
+ case 'o':
+ outputFile = &argv[i][2];
+ break;
+ case 'p':
+ polyphony = atoi(&argv[i][2]);
+ if (polyphony < 1)
+ polyphony = 1;
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "Polyphony set to %d\n", polyphony); */ }
+ break;
+ default:
+ break;
+ }
+ continue;
+ }
+ }
+
+ /* assume success */
+ playResult = EAS_SUCCESS;
+
+ /* get the library configuration */
+ pLibConfig = EAS_Config();
+ if (!EASLibraryCheck(pLibConfig))
+ return -1;
+ if (polyphony > pLibConfig->maxVoices)
+ polyphony = pLibConfig->maxVoices;
+
+ /* calculate buffer size */
+ bufferSize = pLibConfig->mixBufferSize * pLibConfig->numChannels * (EAS_I32)sizeof(EAS_PCM) * NUM_BUFFERS;
+
+ /* allocate output buffer memory */
+ buffer = malloc((EAS_U32)bufferSize);
+ if (!buffer)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_FATAL, "Error allocating memory for audio buffer\n"); */ }
+ return EAS_FAILURE;
+ }
+
+ /* initialize the EAS library */
+ polyphony = pLibConfig->maxVoices;
+ if ((result = EAS_Init(&easData)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_FATAL, "EAS_Init returned %ld - aborting!\n", result); */ }
+ free(buffer);
+ return result;
+ }
+
+ /*
+ * Some debugging environments don't allow for passed parameters.
+ * In this case, just play the default MIDI file "test.mid"
+ */
+ if (argc < 2)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "Playing '%s'\n", defaultTestFile); */ }
+ if ((playResult = PlayFile(easData, defaultTestFile, NULL, pLibConfig, buffer, bufferSize)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "Error %d playing file %s\n", playResult, defaultTestFile); */ }
+ }
+ }
+ /* iterate through the list of files to be played */
+ else
+ {
+ for (i = 1; i < argc; i++)
+ {
+ /* check for switch */
+ if (argv[i][0] != '-')
+ {
+
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "Playing '%s'\n", argv[i]); */ }
+ if ((playResult = PlayFile(easData, argv[i], outputFile, pLibConfig, buffer, bufferSize)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_ERROR, "Error %d playing file %s\n", playResult, argv[i]); */ }
+ break;
+ }
+ }
+ }
+ }
+
+ /* shutdown the EAS library */
+ if ((result = EAS_Shutdown(easData)) != EAS_SUCCESS)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_FATAL, "EAS_Shutdown returned %ld\n", result); */ }
+ }
+
+ /* free the output buffer */
+ free(buffer);
+
+ /* close the debug file */
+ if (debugFile)
+ fclose(debugFile);
+
+ /* play errors take precedence over shutdown errors */
+ if (playResult != EAS_SUCCESS)
+ return playResult;
+ return result;
+} /* end main */
+
+/*----------------------------------------------------------------------------
+ * StrCopy()
+ *----------------------------------------------------------------------------
+ * Purpose:
+ * Safe string copy
+ *
+ * Inputs:
+ *
+ * Outputs:
+ *
+ *----------------------------------------------------------------------------
+*/
+static void StrCopy(char *dest, const char *src, EAS_I32 size)
+{
+ int len;
+
+ strncpy(dest, src, (size_t) size-1);
+ len = (int) strlen(src);
+ if (len < size)
+ dest[len] = 0;
+} /* end StrCopy */
+
+/*----------------------------------------------------------------------------
+ * ChangeFileExt()
+ *----------------------------------------------------------------------------
+ * Purpose:
+ * Changes the file extension of a filename
+ *
+ * Inputs:
+ *
+ * Outputs:
+ *
+ *----------------------------------------------------------------------------
+*/
+static EAS_BOOL ChangeFileExt(char *str, const char *ext, EAS_I32 size)
+{
+ char *p;
+
+ /* find the extension, if any */
+ p = strrchr(str,'.');
+ if (!p)
+ {
+ if ((EAS_I32)(strlen(str) + 5) > size)
+ return EAS_FALSE;
+ strcat(str,".");
+ strcat(str,ext);
+ return EAS_TRUE;
+ }
+
+ /* make sure there's room for the extension */
+ p++;
+ *p = 0;
+ if ((EAS_I32)(strlen(str) + 4) > size)
+ return EAS_FALSE;
+ strcat(str,ext);
+ return EAS_TRUE;
+} /* end ChangeFileExt */
+
+/*----------------------------------------------------------------------------
+ * EASLibraryCheck()
+ *----------------------------------------------------------------------------
+ * Purpose:
+ * Displays the library version and checks it against the header
+ * file used to build this code.
+ *
+ * Inputs:
+ * pLibConfig - library configuration retrieved from the library
+ *
+ * Outputs:
+ * returns EAS_TRUE if matched
+ *
+ * Side Effects:
+ *
+ *----------------------------------------------------------------------------
+*/
+static EAS_BOOL EASLibraryCheck (const S_EAS_LIB_CONFIG *pLibConfig)
+{
+
+ /* display the library version */
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "EAS Library Version %d.%d.%d.%d\n",
+ pLibConfig->libVersion >> 24,
+ (pLibConfig->libVersion >> 16) & 0x0f,
+ (pLibConfig->libVersion >> 8) & 0x0f,
+ pLibConfig->libVersion & 0x0f); */ }
+
+ /* display some info about the library build */
+ if (pLibConfig->checkedVersion)
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tChecked library\n"); */ }
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tMaximum polyphony: %d\n", pLibConfig->maxVoices); */ }
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tNumber of channels: %d\n", pLibConfig->numChannels); */ }
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tSample rate: %d\n", pLibConfig->sampleRate); */ }
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tMix buffer size: %d\n", pLibConfig->mixBufferSize); */ }
+ if (pLibConfig->filterEnabled)
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tFilter enabled\n"); */ }
+#ifndef _WIN32_WCE
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tLibrary Build Timestamp: %s", ctime((time_t*)&pLibConfig->buildTimeStamp)); */ }
+#endif
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_INFO, "\tLibrary Build ID: %s\n", pLibConfig->buildGUID); */ }
+
+ /* check it against the header file used to build this code */
+ /*lint -e{778} constant expression used for display purposes may evaluate to zero */
+ if (LIB_VERSION != pLibConfig->libVersion)
+ {
+ { /* dpp: EAS_ReportEx(_EAS_SEVERITY_FATAL, "Library version does not match header files. EAS Header Version %d.%d.%d.%d\n",
+ LIB_VERSION >> 24,
+ (LIB_VERSION >> 16) & 0x0f,
+ (LIB_VERSION >> 8) & 0x0f,
+ LIB_VERSION & 0x0f); */ }
+ return EAS_FALSE;
+ }
+ return EAS_TRUE;
+} /* end EASLibraryCheck */
+
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