input/wav: Put internal buffer on the heap instead of the stack.

Increasing the buffer/chunk size could cause issues when trying to put
large arrays on the stack.

diff --git a/src/input/wav.c b/src/input/wav.c
index a1751243f467729c8ee7b2dbc61f3ca753906fc9..e5ab08914b1843ef37484ad212dd20b54ab96450 100644 (file)
--- a/src/input/wav.c
+++ b/src/input/wav.c
@@ -189,15 +189,15 @@ static void send_chunk(const struct sr_input *in, int offset, int num_samples)
        struct sr_analog_meaning meaning;
        struct sr_analog_spec spec;
        struct context *inc;
-       float fdata[CHUNK_SIZE];
+       float *fdata;
        int total_samples, samplenum;
        char *s, *d;
 
        inc = in->priv;
 
        s = in->buf->str + offset;
+       fdata = g_malloc0(CHUNK_SIZE * sizeof(float));
        d = (char *)fdata;
-       memset(fdata, 0, CHUNK_SIZE * sizeof(float));
        total_samples = num_samples * inc->num_channels;
        for (samplenum = 0; samplenum < total_samples; samplenum++) {
                if (inc->fmt_code == WAVE_FORMAT_PCM_) {
@@ -238,6 +238,7 @@ static void send_chunk(const struct sr_input *in, int offset, int num_samples)
        analog.meaning->mqflags = 0;
        analog.meaning->unit = 0;
        sr_session_send(in->sdi, &packet);
+       g_free(fdata);
 }
 
 static int process_buffer(struct sr_input *in)