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authorMatthias P. Braendli <matthias.braendli@mpb.li>2017-01-27 11:27:17 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2017-01-27 11:27:17 +0100
commit6cc9ce1e196067c02e52eaf3896dce3b1ac39f98 (patch)
tree5cd0211dac8a6d7b30a1b221c8f28c87f4020ef5 /src/odr-audioenc.cpp
parent19d4f31fc08f9d7eda7bb02ba2981b8510391c54 (diff)
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Properly handle drift compensation expansion
Diffstat (limited to 'src/odr-audioenc.cpp')
-rw-r--r--src/odr-audioenc.cpp31
1 files changed, 18 insertions, 13 deletions
diff --git a/src/odr-audioenc.cpp b/src/odr-audioenc.cpp
index b960633..bcb74de 100644
--- a/src/odr-audioenc.cpp
+++ b/src/odr-audioenc.cpp
@@ -319,19 +319,20 @@ static void expand_missing_samples(vec_u8& buf, int channels, size_t valid_bytes
buf[i] = 0;
}
}
+ else {
+ const vec_u8 source_buf(buf);
+ size_t source_ix = 0;
- const vec_u8 source_buf(buf);
- size_t source_ix = 0;
-
- for (size_t i = 0; i < buf.size() / bytes_per_sample; i++) {
- for (size_t j = 0; j < bytes_per_sample; j++) {
- buf.at(bytes_per_sample*i + j) = source_buf.at(source_ix + j);
- }
+ for (size_t i = 0; i < buf.size() / bytes_per_sample; i++) {
+ for (size_t j = 0; j < bytes_per_sample; j++) {
+ buf.at(bytes_per_sample*i + j) = source_buf.at(source_ix + j);
+ }
- // Do not advance the source index if the sample index is
- // at the spots where we want to duplicate the source sample
- if (not (i > 0 and (i % (valid_samples / missing_samples) == 0))) {
- source_ix += bytes_per_sample;
+ // Do not advance the source index if the sample index is
+ // at the spots where we want to duplicate the source sample
+ if (not (i > 0 and (i % (valid_samples / missing_samples) == 0))) {
+ source_ix += bytes_per_sample;
+ }
}
}
}
@@ -989,7 +990,9 @@ int main(int argc, char *argv[])
if (drift_compensation) {
size_t overruns;
size_t bytes_from_queue = queue.pop(&input_buf[0], input_buf.size(), &overruns); // returns bytes
- expand_missing_samples(input_buf, channels, bytes_from_queue);
+ if (bytes_from_queue != input_buf.size()) {
+ expand_missing_samples(input_buf, channels, bytes_from_queue);
+ }
read_bytes = input_buf.size();
drift_compensation_delay(sample_rate, channels, read_bytes);
@@ -1034,7 +1037,9 @@ int main(int argc, char *argv[])
size_t overruns;
size_t bytes_from_queue = queue.pop(&input_buf[0], input_buf.size(), &overruns); // returns bytes
- expand_missing_samples(input_buf, channels, bytes_from_queue);
+ if (bytes_from_queue != input_buf.size()) {
+ expand_missing_samples(input_buf, channels, bytes_from_queue);
+ }
read_bytes = input_buf.size();
drift_compensation_delay(sample_rate, channels, read_bytes);