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Only allocate synchronous read buffer if synchronous reads are used

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This commit is contained in:
Robert Högberg
2015-10-21 17:21:12 +02:00
parent 970f4228de
commit dc5a44ebcb
1 changed files with 5 additions and 6 deletions
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11
src/rtl_433.c
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@@ -803,7 +803,6 @@ int main(int argc, char **argv) {
int sync_mode = 0;
int ppm_error = 0;
struct dm_state* demod;
uint8_t *buffer;
uint32_t dev_index = 0;
int frequency_current = 0;
uint32_t out_block_size = DEFAULT_BUF_LENGTH;
@@ -935,8 +934,6 @@ int main(int argc, char **argv) {
out_block_size = DEFAULT_BUF_LENGTH;
}
buffer = malloc(out_block_size * sizeof (uint8_t));
if (!in_filename) {
device_count = rtlsdr_get_device_count();
if (!device_count) {
@@ -1065,6 +1062,8 @@ int main(int argc, char **argv) {
if (sync_mode) {
fprintf(stderr, "Reading samples in sync mode...\n");
uint8_t *buffer = malloc(out_block_size * sizeof (uint8_t));
while (!do_exit) {
r = rtlsdr_read_sync(dev, buffer, out_block_size, &n_read);
if (r < 0) {
@@ -1090,6 +1089,8 @@ int main(int argc, char **argv) {
if (bytes_to_read > 0)
bytes_to_read -= n_read;
}
free(buffer);
} else {
if (frequencies == 0) {
frequency[0] = DEFAULT_FREQUENCY;
@@ -1129,11 +1130,9 @@ int main(int argc, char **argv) {
if (demod->signal_grabber)
free(demod->sg_buf);
if (demod)
free(demod);
free(demod);
rtlsdr_close(dev);
free(buffer);
out:
return r >= 0 ? r : -r;
}