input/wav: windows: Fix a compiler warning.

  src/input/wav.c:41:0: warning: "WAVE_FORMAT_PCM" redefined
   #define WAVE_FORMAT_PCM          0x0001
   ^
  In file included from [...]/include/windows.h:86:0,
                   from [...]/include/libusb-1.0/libusb.h:70,
                   from ./src/libsigrok-internal.h:31,
                   from src/input/wav.c:28:
  [...]/include/mmsystem.h:482:0: note: this is the location of the previous definition
   #define WAVE_FORMAT_PCM 1
   ^

diff --git a/src/input/wav.c b/src/input/wav.c
index 611878e850495f79342cb0b4091c61d2dc9b50d4..271bacef19b9162aed32ab396a347579cbcee87b 100644 (file)
--- a/src/input/wav.c
+++ b/src/input/wav.c
@@ -38,9 +38,9 @@
 /* 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;
@@ -73,13 +73,13 @@ static int parse_wav_header(GString *buf, struct context *inc)
                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;
@@ -98,11 +98,11 @@ static int parse_wav_header(GString *buf, struct context *inc)
                }
                /* 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;
                }
@@ -195,7 +195,7 @@ static void send_chunk(const struct sr_input *in, int offset, int num_samples)
        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) {