Skip to content

Test the interleaved resampler #40

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Test the interleaved resampler #40

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d5338f6
Use speex_resampler_process_interleaved_float in the testresample2
lu-zero May 5, 2022
f426f7f
Use multiple channels
lu-zero May 5, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
31 changes: 20 additions & 11 deletions libspeexdsp/testresample2.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -43,20 +43,29 @@
#define INBLOCK 1024
#define RATE 48000

int main()
int main(int argc, char **argv)
{
spx_uint32_t i;
float *fin, *fout;
int rate = 1000, off = 0, avail = INBLOCK;
SpeexResamplerState *st = speex_resampler_init(1, RATE, RATE, 4, NULL);
spx_uint32_t i, j;
float *fin, *fout, val;
int rate = 1000, off = 0, avail = INBLOCK, channels = 1;

if (argc > 1) {
channels = atoi(argv[1]);
}

SpeexResamplerState *st = speex_resampler_init(channels, RATE, RATE, 4, NULL);
speex_resampler_set_rate(st, RATE, rate);
speex_resampler_skip_zeros(st);

fin = malloc(INBLOCK*2*sizeof(float));
for (i=0; i<INBLOCK*2;i++)
fin[i] = sinf ((float)i/PERIOD * 2 * M_PI) * 0.9;
fin = malloc(INBLOCK*2*sizeof(float)*channels);
for (i=0; i<INBLOCK*2*channels;i++) {
val = sinf ((float)i/PERIOD * 2 * M_PI) * 0.9;
for (j=0; j<channels; j++) {
fin[i*channels+j] = val;
}
}

fout = malloc(INBLOCK*4*sizeof(float));
fout = malloc(INBLOCK*4*sizeof(float)*channels);

while (1)
{
Expand All @@ -68,7 +77,7 @@ int main()

fprintf (stderr, "%d %d %d %d -> ", rate, off, in_len, out_len);

speex_resampler_process_float(st, 0, fin + off, &in_len, fout, &out_len);
speex_resampler_process_interleaved_float(st, fin + off * channels, &in_len, fout, &out_len);

fprintf (stderr, "%d %d\n", in_len, out_len);
off += in_len;
Expand All @@ -77,7 +86,7 @@ int main()
if (off >= INBLOCK)
off -= INBLOCK;

fwrite(fout, sizeof(float), out_len, stdout);
fwrite(fout, sizeof(float), out_len * channels, stdout);

rate += 100;
if (rate > 128000)
Expand Down