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Minecon724 2024-11-11 15:29:44 +01:00
parent 9dfb188d8a
commit 9a77ac6e26
Signed by: Minecon724
GPG key ID: 3CCC4D267742C8E8
3 changed files with 35 additions and 4 deletions
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2
include/audiofile.h
View file

@ -2,8 +2,10 @@
#define AUDIOFILE_H
#include <sndfile.h>
#include <stdlib.h>
SNDFILE *audiofile_read(const char *path, SF_INFO *sfinfo);
SNDFILE *audiofile_open_for_write(const char *path, SF_INFO *og_info);
int audiofile_copy_metadata(SNDFILE *source, SNDFILE *target);
#endif

27
src/audiofile.c
View file

@ -39,3 +39,30 @@ SNDFILE *audiofile_open_for_write(const char *path, SF_INFO *og_info) {
return sndfile;
}
int audiofile_copy_metadata(SNDFILE *source, SNDFILE *target) {
int err;
SF_BROADCAST_INFO binfo;
if ((err = sf_command(source, SFC_GET_BROADCAST_INFO, &binfo, sizeof(binfo))) != 0) {
printf("Failed reading BROADCAST_INFO: %s\n", sf_error_number(err));
return 1;
}
if ((err = sf_command(target, SFC_SET_BROADCAST_INFO, &binfo, sizeof(binfo))) != 0) {
printf("Failed writing BROADCAST_INFO: %s\n", sf_error_number(err));
return 1;
}
for (int i=SF_STR_FIRST; i<=SF_STR_LAST; i++) {
const char *data = sf_get_string(source, i);
if (data != NULL) {
if ((err = sf_set_string(target, i, data)) != 0) {
printf("Failed writing metadata %d (%s): %s\n", i, data, sf_error_number(err));
return 1;
}
}
}
return 0;
}

10
src/main.c
View file

@ -38,8 +38,8 @@ int main(int argc, char *argv[]) {
// load audio file
SF_INFO sfinfo = {0};
SNDFILE *sndfile;
if ((sndfile = audiofile_read(input_filename, &sfinfo)) == NULL) {
SNDFILE *in_sndfile;
if ((in_sndfile = audiofile_read(input_filename, &sfinfo)) == NULL) {
return 1;
}
@ -48,6 +48,8 @@ int main(int argc, char *argv[]) {
return 1;
}
audiofile_copy_metadata(in_sndfile, out_sndfile);
// load lilv plugin
const LilvPlugin* plugin = easy_load_plugin(world, "http://lsp-plug.in/plugins/lv2/comp_delay_x2_stereo");
@ -90,7 +92,7 @@ int main(int argc, char *argv[]) {
float input_buffer[BUFFER_SIZE * 2];
float output_buffer[BUFFER_SIZE * 2];
int frames_read;
while ((frames_read = sf_readf_float(sndfile, input_buffer, BUFFER_SIZE))) {
while ((frames_read = sf_readf_float(in_sndfile, input_buffer, BUFFER_SIZE))) {
// a frame is 2 samples and a sample is a number basically and it go left right left right (or how many channels)
for (sf_count_t i = 0; i < frames_read; i++) {
input_left[i] = input_buffer[i * 2];
@ -117,7 +119,7 @@ int main(int argc, char *argv[]) {
lilv_world_free(world);
sf_close(sndfile);
sf_close(in_sndfile);
sf_close(out_sndfile);
}