diff options
Diffstat (limited to 'nGenEx/MCIWave.cpp')
| -rw-r--r-- | nGenEx/MCIWave.cpp | 224 |
1 files changed, 112 insertions, 112 deletions
diff --git a/nGenEx/MCIWave.cpp b/nGenEx/MCIWave.cpp index fdab8cd..68a12b8 100644 --- a/nGenEx/MCIWave.cpp +++ b/nGenEx/MCIWave.cpp @@ -1,15 +1,15 @@ /* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
- SUBSYSTEM: nGenEx.lib
- FILE: MCIWave.cpp
- AUTHOR: John DiCamillo
+ SUBSYSTEM: nGenEx.lib
+ FILE: MCIWave.cpp
+ AUTHOR: John DiCamillo
- OVERVIEW
- ========
- MCI Wave Output stuff
+ OVERVIEW
+ ========
+ MCI Wave Output stuff
*/
#include "MemDebug.h"
@@ -30,126 +30,126 @@ extern HWND hwndApp; static int mci_send_string(const char* cmd_str)
{
- mci_err = mciSendString(cmd_str, ret_str, sizeof(ret_str), hwndApp);
- if (mci_err) {
- if (mciGetErrorString(mci_err, err_str, sizeof(err_str)))
- Print("Error (%s): '%s'\n", cmd_str, err_str);
- else
- Print("Error (%s): %d - UNKNOWN\n", cmd_str, mci_err);
- return 0;
- }
-
- return 1;
+ mci_err = mciSendString(cmd_str, ret_str, sizeof(ret_str), hwndApp);
+ if (mci_err) {
+ if (mciGetErrorString(mci_err, err_str, sizeof(err_str)))
+ Print("Error (%s): '%s'\n", cmd_str, err_str);
+ else
+ Print("Error (%s): %d - UNKNOWN\n", cmd_str, mci_err);
+ return 0;
+ }
+
+ return 1;
}
// +--------------------------------------------------------------------+
static void print_wav_error()
{
- waveOutGetErrorText(wav_err, err_str, MCI_MAX_STR);
- Print(err_str);
+ waveOutGetErrorText(wav_err, err_str, MCI_MAX_STR);
+ Print(err_str);
}
// +--------------------------------------------------------------------+
int load_wave_file(const char* fname, LPWAVEHDR hdr, LPWAVEFORMATEX format)
{
- HMMIO hmmio; /* file handle for open file */
- MMCKINFO mmckinfoParent; /* parent chunk information structure */
- MMCKINFO mmckinfoSubchunk; /* subchunk information structure */
- DWORD dwFmtSize; /* size of "fmt" chunk */
- DWORD dwDataSize; /* size of "data" chunk */
-
- /*
- * Open the given file for reading with buffered I/O
- * using the default internal buffer.
- */
- hmmio = mmioOpen((LPSTR) fname, NULL, MMIO_READ | MMIO_ALLOCBUF);
-
- if (hmmio == NULL) {
- Print("load_wave_file(): '%s' - Failed to open file.\n", fname);
- return 0;
- }
-
- /*
- * Locate a "RIFF" chunk with a "WAVE" form type
- * to make sure the file is a WAVE file.
- */
- mmckinfoParent.fccType = mmioFOURCC('W', 'A', 'V', 'E');
- if (mmioDescend(hmmio, (LPMMCKINFO) &mmckinfoParent, NULL, MMIO_FINDRIFF)) {
- Print("load_wave_file(): '%s' - This is not a WAVE file.\n", fname);
- mmioClose(hmmio, 0);
- return 0;
- }
-
- /*
- * Find the "fmt " chunk (form type "fmt "); it must be
- * a subchunk of the "RIFF" parent chunk.
- */
- mmckinfoSubchunk.ckid = mmioFOURCC('f', 'm', 't', ' ');
- if (mmioDescend(hmmio, &mmckinfoSubchunk, &mmckinfoParent, MMIO_FINDCHUNK)) {
- Print("load_wave_file(): '%s' - WAVE file has no \"fmt\" chunk\n", fname);
- mmioClose(hmmio, 0);
- return 0;
- }
-
- /*
- * Get the size of the "fmt " chunk--allocate and lock memory for it.
- */
- dwFmtSize = mmckinfoSubchunk.cksize;
-
- /* Read the "fmt " chunk. */
- if (mmioRead(hmmio, (HPSTR) format, dwFmtSize) != (LRESULT)dwFmtSize) {
- Print("load_wave_file(): '%s' - Failed to read format chunk.\n", fname);
- mmioClose(hmmio, 0);
- return 0;
- }
-
- /* Ascend out of the "fmt " subchunk. */
- mmioAscend(hmmio, &mmckinfoSubchunk, 0);
-
- /*
- * Find the data subchunk. The current file position
- * should be at the beginning of the data chunk.
- */
- mmckinfoSubchunk.ckid = mmioFOURCC('d', 'a', 't', 'a');
- if (mmioDescend(hmmio, &mmckinfoSubchunk, &mmckinfoParent, MMIO_FINDCHUNK)) {
- Print("load_wave_file(): '%s' - WAVE file has no data chunk.\n", fname);
- mmioClose(hmmio, 0);
- return 0;
- }
-
- /* Get the size of the data subchunk. */
- dwDataSize = mmckinfoSubchunk.cksize;
- if (dwDataSize == 0L) {
- Print("load_wave_file(): '%s' - The data chunk contains no data.\n", fname);
- mmioClose(hmmio, 0);
- return 0;
- }
-
- // allocate the data block:
- hdr->lpData = (LPSTR) new(__FILE__,__LINE__) BYTE[dwDataSize];
- hdr->dwBufferLength = dwDataSize;
-
- /* Read the waveform data subchunk. */
- if (mmioRead(hmmio, (HPSTR) hdr->lpData, dwDataSize) != (LRESULT)dwDataSize) {
- Print("load_wave_file(): '%s' - Failed to read data chunk.\n", fname);
- mmioClose(hmmio, 0);
- return 0;
- }
-
- /* Close the file. */
- mmioClose(hmmio, 0);
-
- return 1;
+ HMMIO hmmio; /* file handle for open file */
+ MMCKINFO mmckinfoParent; /* parent chunk information structure */
+ MMCKINFO mmckinfoSubchunk; /* subchunk information structure */
+ DWORD dwFmtSize; /* size of "fmt" chunk */
+ DWORD dwDataSize; /* size of "data" chunk */
+
+ /*
+ * Open the given file for reading with buffered I/O
+ * using the default internal buffer.
+ */
+ hmmio = mmioOpen((LPSTR) fname, NULL, MMIO_READ | MMIO_ALLOCBUF);
+
+ if (hmmio == NULL) {
+ Print("load_wave_file(): '%s' - Failed to open file.\n", fname);
+ return 0;
+ }
+
+ /*
+ * Locate a "RIFF" chunk with a "WAVE" form type
+ * to make sure the file is a WAVE file.
+ */
+ mmckinfoParent.fccType = mmioFOURCC('W', 'A', 'V', 'E');
+ if (mmioDescend(hmmio, (LPMMCKINFO) &mmckinfoParent, NULL, MMIO_FINDRIFF)) {
+ Print("load_wave_file(): '%s' - This is not a WAVE file.\n", fname);
+ mmioClose(hmmio, 0);
+ return 0;
+ }
+
+ /*
+ * Find the "fmt " chunk (form type "fmt "); it must be
+ * a subchunk of the "RIFF" parent chunk.
+ */
+ mmckinfoSubchunk.ckid = mmioFOURCC('f', 'm', 't', ' ');
+ if (mmioDescend(hmmio, &mmckinfoSubchunk, &mmckinfoParent, MMIO_FINDCHUNK)) {
+ Print("load_wave_file(): '%s' - WAVE file has no \"fmt\" chunk\n", fname);
+ mmioClose(hmmio, 0);
+ return 0;
+ }
+
+ /*
+ * Get the size of the "fmt " chunk--allocate and lock memory for it.
+ */
+ dwFmtSize = mmckinfoSubchunk.cksize;
+
+ /* Read the "fmt " chunk. */
+ if (mmioRead(hmmio, (HPSTR) format, dwFmtSize) != (LRESULT)dwFmtSize) {
+ Print("load_wave_file(): '%s' - Failed to read format chunk.\n", fname);
+ mmioClose(hmmio, 0);
+ return 0;
+ }
+
+ /* Ascend out of the "fmt " subchunk. */
+ mmioAscend(hmmio, &mmckinfoSubchunk, 0);
+
+ /*
+ * Find the data subchunk. The current file position
+ * should be at the beginning of the data chunk.
+ */
+ mmckinfoSubchunk.ckid = mmioFOURCC('d', 'a', 't', 'a');
+ if (mmioDescend(hmmio, &mmckinfoSubchunk, &mmckinfoParent, MMIO_FINDCHUNK)) {
+ Print("load_wave_file(): '%s' - WAVE file has no data chunk.\n", fname);
+ mmioClose(hmmio, 0);
+ return 0;
+ }
+
+ /* Get the size of the data subchunk. */
+ dwDataSize = mmckinfoSubchunk.cksize;
+ if (dwDataSize == 0L) {
+ Print("load_wave_file(): '%s' - The data chunk contains no data.\n", fname);
+ mmioClose(hmmio, 0);
+ return 0;
+ }
+
+ // allocate the data block:
+ hdr->lpData = (LPSTR) new(__FILE__,__LINE__) BYTE[dwDataSize];
+ hdr->dwBufferLength = dwDataSize;
+
+ /* Read the waveform data subchunk. */
+ if (mmioRead(hmmio, (HPSTR) hdr->lpData, dwDataSize) != (LRESULT)dwDataSize) {
+ Print("load_wave_file(): '%s' - Failed to read data chunk.\n", fname);
+ mmioClose(hmmio, 0);
+ return 0;
+ }
+
+ /* Close the file. */
+ mmioClose(hmmio, 0);
+
+ return 1;
}
// +--------------------------------------------------------------------+
void delete_wave_file(LPWAVEHDR hdr, LPWAVEFORMATEX format)
{
- if (hdr) {
- delete hdr->lpData;
- hdr->lpData = 0;
- }
+ if (hdr) {
+ delete hdr->lpData;
+ hdr->lpData = 0;
+ }
}
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