swresample/resample, soxr_resample: Use designated initializers

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libswresample/resample.c

@@ -501,13 +501,13 @@ static int invert_initial_buffer(ResampleContext *c, AudioData *dst, const Audio
     return FFMAX(res, 0);
 }
 
-struct Resampler const swri_resampler={
-  resample_init,
-  resample_free,
-  multiple_resample,
-  resample_flush,
-  set_compensation,
-  get_delay,
-  invert_initial_buffer,
-  get_out_samples,
+const struct Resampler swri_resampler = {
+    .init                  = resample_init,
+    .free                  = resample_free,
+    .multiple_resample     = multiple_resample,
+    .flush                 = resample_flush,
+    .set_compensation      = set_compensation,
+    .get_delay             = get_delay,
+    .invert_initial_buffer = invert_initial_buffer,
+    .get_out_samples       = get_out_samples,
 };

libswresample/soxr_resample.c

@@ -123,7 +123,12 @@ static int64_t get_out_samples(struct SwrContext *s, int in_samples){
     return (int64_t)(out_samples + delayed_samples + 1 + .5);
 }
 
-struct Resampler const swri_soxr_resampler={
-    create, destroy, process, flush, NULL /* set_compensation */, get_delay,
-    invert_initial_buffer, get_out_samples
+const struct Resampler swri_soxr_resampler = {
+    .init                  = create,
+    .free                  = destroy,
+    .multiple_resample     = process,
+    .flush                 = flush,
+    .get_delay             = get_delay,
+    .invert_initial_buffer = invert_initial_buffer,
+    .get_out_samples       = get_out_samples,
 };