forked from FFmpeg/FFmpeg
-
Notifications
You must be signed in to change notification settings - Fork 81
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: Paul B Mahol <[email protected]>
- Loading branch information
Showing
3 changed files
with
81 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,79 @@ | ||
#include <sys/stat.h> | ||
#include <sys/types.h> | ||
#include <unistd.h> | ||
#include <stdio.h> | ||
#include <mysofa.h> | ||
|
||
int main(int argc, char **argv) | ||
{ | ||
struct MYSOFA_HRTF *hrtf; | ||
int sample_rate; | ||
int err, i, j; | ||
|
||
if (argc < 3) { | ||
printf("usage: %s input_SOFA_file output_directory\n", argv[0]); | ||
return 1; | ||
} | ||
|
||
hrtf = mysofa_load(argv[1], &err); | ||
if (!hrtf || err) { | ||
printf("invalid input SOFA file: %s\n", argv[1]); | ||
return 1; | ||
} | ||
|
||
if (hrtf->DataSamplingRate.elements != 1) | ||
goto fail; | ||
sample_rate = hrtf->DataSamplingRate.values[0]; | ||
|
||
err = mkdir(argv[2], 0744); | ||
if (err) | ||
goto fail; | ||
|
||
err = chdir(argv[2]); | ||
if (err) | ||
goto fail; | ||
|
||
for (i = 0; i < hrtf->M; i++) { | ||
FILE *file; | ||
int bps = 32; | ||
int blkalign = 8; | ||
int bytespersec = blkalign * sample_rate; | ||
char filename[1024]; | ||
int azi = hrtf->SourcePosition.values[i * 3]; | ||
int ele = hrtf->SourcePosition.values[i * 3 + 1]; | ||
int dis = hrtf->SourcePosition.values[i * 3 + 2]; | ||
int size = 8 * hrtf->N; | ||
int offset = i * 2 * hrtf->N; | ||
|
||
snprintf(filename, sizeof(filename), "azi_%d_ele_%d_dis_%d.wav", azi, ele, dis); | ||
file = fopen(filename, "w+"); | ||
fwrite("RIFF", 4, 1, file); | ||
fwrite("\xFF\xFF\xFF\xFF", 4, 1, file); | ||
fwrite("WAVE", 4, 1, file); | ||
fwrite("fmt ", 4, 1, file); | ||
fwrite("\x10\x00\00\00", 4, 1, file); | ||
fwrite("\x03\x00", 2, 1, file); | ||
fwrite("\x02\x00", 2, 1, file); | ||
fwrite(&sample_rate, 4, 1, file); | ||
fwrite(&bytespersec, 4, 1, file); | ||
fwrite(&blkalign, 2, 1, file); | ||
fwrite(&bps, 2, 1, file); | ||
fwrite("data", 4, 1, file); | ||
fwrite(&size, 4, 1, file); | ||
|
||
for (j = 0; j < hrtf->N; j++) { | ||
float l, r; | ||
|
||
l = hrtf->DataIR.values[offset + j]; | ||
r = hrtf->DataIR.values[offset + j + hrtf->N]; | ||
fwrite(&l, 4, 1, file); | ||
fwrite(&r, 4, 1, file); | ||
} | ||
fclose(file); | ||
} | ||
|
||
fail: | ||
mysofa_free(hrtf); | ||
|
||
return 0; | ||
} |