From: Fahad Arslan <[email protected]>
Signed-off-by: Fahad Arslan <[email protected]>
---
src/pulsecore/resampler.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/pulsecore/resampler.c b/src/pulsecore/resampler.c
index f0c663f..34bdfc3 100644
--- a/src/pulsecore/resampler.c
+++ b/src/pulsecore/resampler.c
@@ -1435,7 +1435,7 @@ static int libsamplerate_init(pa_resampler *r) {
static unsigned speex_resample_float(pa_resampler *r, const pa_memchunk
*input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) {
float *in, *out;
- uint32_t inf = in_n_frames, outf = *out_n_frames;
+ uint32_t inf = in_n_frames, outf = *out_n_frames, i;
SpeexResamplerState *state;
pa_assert(r);
@@ -1448,6 +1448,11 @@ static unsigned speex_resample_float(pa_resampler *r,
const pa_memchunk *input,
in = pa_memblock_acquire_chunk(input);
out = pa_memblock_acquire_chunk(output);
+ /* Speex float API scale range is +/-32768 instead of +/-1.
+ So rescale input before passing it to Speex. */
+ for (i = 0; i < inf; i++)
+ in[i] = 32768.*in[i];
+
pa_assert_se(speex_resampler_process_interleaved_float(state, in, &inf,
out, &outf) == 0);
pa_memblock_release(input->memblock);
--
1.7.9.5
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