From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
android/client/if-sco.c | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/android/client/if-sco.c b/android/client/if-sco.c
index 35ed3b0..b7377f4 100644
--- a/android/client/if-sco.c
+++ b/android/client/if-sco.c
@@ -174,10 +174,24 @@ static void prepare_sample(void)
sample_pos = 0;
}
+static void mono_to_stereo_pcm16(const int16_t *in, int16_t *out, size_t samples)
+{
+ int16_t mono;
+ size_t i;
+
+ for (i = 0; i < samples; i++) {
+ mono = get_unaligned(&in[i]);
+
+ put_unaligned(mono, &out[2 * i]);
+ put_unaligned(mono, &out[2 * i + 1]);
+ }
+}
+
static void *playback_thread(void *data)
{
int (*filbuff_cb) (short*, void*);
short buffer[buffer_size / sizeof(short)];
+ short buffer_in[buffer_size_in / sizeof(short)];
size_t len = 0;
ssize_t w_len = 0;
FILE *in = data;
@@ -217,7 +231,19 @@ static void *playback_thread(void *data)
pthread_mutex_unlock(&state_mutex);
- len = filbuff_cb(buffer, cb_data);
+ if (data == stream_in) {
+ int chan_in = popcount(stream_in->common.get_channels(&stream_in->common));
+ int chan_out = popcount(stream_out->common.get_channels(&stream_out->common));
+
+ len = filbuff_cb(buffer_in, cb_data);
+
+ if (chan_in == 1 && chan_out == 2) {
+ mono_to_stereo_pcm16(buffer_in,
+ buffer,
+ buffer_size_in / 2);
+ }
+ } else
+ len = filbuff_cb(buffer, cb_data);
pthread_mutex_lock(&outstream_mutex);
if (!stream_out) {
--
1.8.3.2
--
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