#include <ctype.h>
#include <string.h>
#include <stdint.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "input/wav"
/* Expect to find the "data" chunk within this offset from the start. */
#define MAX_DATA_CHUNK_OFFSET 256
-#define WAVE_FORMAT_PCM 0x0001
-#define WAVE_FORMAT_IEEE_FLOAT 0x0003
-#define WAVE_FORMAT_EXTENSIBLE 0xfffe
+#define WAVE_FORMAT_PCM_ 0x0001
+#define WAVE_FORMAT_IEEE_FLOAT_ 0x0003
+#define WAVE_FORMAT_EXTENSIBLE_ 0xfffe
struct context {
gboolean started;
return SR_ERR_DATA;
}
-
- if (fmt_code == WAVE_FORMAT_PCM) {
- } else if (fmt_code == WAVE_FORMAT_IEEE_FLOAT) {
+ if (fmt_code == WAVE_FORMAT_PCM_) {
+ } else if (fmt_code == WAVE_FORMAT_IEEE_FLOAT_) {
if (unitsize != 4) {
sr_err("only 32-bit floats supported.");
return SR_ERR_DATA;
}
- } else if (fmt_code == WAVE_FORMAT_EXTENSIBLE) {
+ } else if (fmt_code == WAVE_FORMAT_EXTENSIBLE_) {
if (buf->len < 70)
/* Not enough for extensible header and next chunk. */
return SR_ERR_NA;
}
/* Real format code is the first two bytes of the GUID. */
fmt_code = RL16(buf->str + 44);
- if (fmt_code != WAVE_FORMAT_PCM && fmt_code != WAVE_FORMAT_IEEE_FLOAT) {
+ if (fmt_code != WAVE_FORMAT_PCM_ && fmt_code != WAVE_FORMAT_IEEE_FLOAT_) {
sr_err("Only PCM and floating point samples are supported.");
return SR_ERR_DATA;
}
- if (fmt_code == WAVE_FORMAT_IEEE_FLOAT && unitsize != 4) {
+ if (fmt_code == WAVE_FORMAT_IEEE_FLOAT_ && unitsize != 4) {
sr_err("only 32-bit floats supported.");
return SR_ERR_DATA;
}
unsigned int offset, i;
offset = initial_offset;
- while(offset < MIN(MAX_DATA_CHUNK_OFFSET, buf->len)) {
+ while (offset < MIN(MAX_DATA_CHUNK_OFFSET, buf->len)) {
if (!memcmp(buf->str + offset, "data", 4))
/* Skip into the samples. */
return offset + 8;
for (i = 0; i < 4; i++) {
- if (!isalpha(buf->str[offset + i])
- && !isascii(buf->str[offset + i])
+ if (!isalnum(buf->str[offset + i])
&& !isblank(buf->str[offset + i]))
/* Doesn't look like a chunk ID. */
return -1;
memset(fdata, 0, CHUNK_SIZE);
total_samples = num_samples * inc->num_channels;
for (samplenum = 0; samplenum < total_samples; samplenum++) {
- if (inc->fmt_code == WAVE_FORMAT_PCM) {
+ if (inc->fmt_code == WAVE_FORMAT_PCM_) {
sample = 0;
memcpy(&sample, s, inc->unitsize);
switch (inc->samplesize) {
.receive = receive,
.end = end,
};
-