wav: Don't assume CHUNK_SIZE >= total_samples

[libsigrok.git] / src / input / wav.c

diff --git a/src/input/wav.c b/src/input/wav.c
index b11dcc4860d5a54aae1e0259ada251a3e7741459..66dfce98e84a47f26fcf11827d9072c2e12fad51 100644 (file)
--- a/src/input/wav.c
+++ b/src/input/wav.c
@@ -203,10 +203,11 @@ static void send_chunk(const struct sr_input *in, int offset, int num_samples)
 
        inc = in->priv;
 
+       total_samples = num_samples * inc->num_channels;
+       fdata = g_malloc0(total_samples * sizeof(float));
        s = in->buf->str + offset;
-       fdata = g_malloc0(CHUNK_SIZE * sizeof(float));
        d = (char *)fdata;
-       total_samples = num_samples * inc->num_channels;
+
        for (samplenum = 0; samplenum < total_samples; samplenum++) {
                if (inc->fmt_code == WAVE_FORMAT_PCM_) {
                        switch (inc->unitsize) {