test: Update testresample for SDL3 audio API.

test/testresample.c

@@ -22,12 +22,11 @@ static void log_usage(char *progname, SDLTest_CommonState *state) {
 int main(int argc, char **argv)
 {
     SDL_AudioSpec spec;
+    SDL_AudioSpec cvtspec;
     SDL_AudioStream *stream = NULL;
     Uint8 *dst_buf = NULL;
     Uint32 len = 0;
     Uint8 *data = NULL;
-    int cvtfreq = 0;
-    int cvtchans = 0;
     int bitsize = 0;
     int blockalign = 0;
     int avgbytes = 0;
@@ -49,6 +48,8 @@ int main(int argc, char **argv)
     /* Enable standard application logging */
     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 
+    SDL_zero(cvtspec);
+
     /* Parse commandline */
     for (i = 1; i < argc;) {
         int consumed;
@@ -65,14 +66,14 @@ int main(int argc, char **argv)
                 consumed = 1;
             } else if (argpos == 2) {
                 char *endp;
-                cvtfreq  = (int)SDL_strtoul(argv[i], &endp, 0);
+                cvtspec.freq  = (int)SDL_strtoul(argv[i], &endp, 0);
                 if (endp != argv[i] && *endp == '\0') {
                     argpos++;
                     consumed = 1;
                 }
             } else if (argpos == 3) {
                 char *endp;
-                cvtchans = (int)SDL_strtoul(argv[i], &endp, 0);
+                cvtspec.channels = (int)SDL_strtoul(argv[i], &endp, 0);
                 if (endp != argv[i] && *endp == '\0') {
                     argpos++;
                     consumed = 1;
@@ -100,14 +101,14 @@ int main(int argc, char **argv)
         goto end;
     }
 
-    if (SDL_LoadWAV(file_in, &spec, &data, &len) == NULL) {
+    if (SDL_LoadWAV(file_in, &spec, &data, &len) == -1) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "failed to load %s: %s\n", file_in, SDL_GetError());
         ret = 3;
         goto end;
     }
 
-    if (SDL_ConvertAudioSamples(spec.format, spec.channels, spec.freq, data, len,
-                           spec.format, cvtchans, cvtfreq, &dst_buf, &dst_len) < 0) {
+    cvtspec.format = spec.format;
+    if (SDL_ConvertAudioSamples(&spec, data, len, &cvtspec, &dst_buf, &dst_len) < 0) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "failed to convert samples: %s\n", SDL_GetError());
         ret = 4;
         goto end;
@@ -122,8 +123,8 @@ int main(int argc, char **argv)
     }
 
     bitsize = SDL_AUDIO_BITSIZE(spec.format);
-    blockalign = (bitsize / 8) * cvtchans;
-    avgbytes = cvtfreq * blockalign;
+    blockalign = (bitsize / 8) * cvtspec.channels;
+    avgbytes = cvtspec.freq * blockalign;
 
     SDL_WriteLE32(io, 0x46464952); /* RIFF */
     SDL_WriteLE32(io, dst_len + 36);
@@ -131,8 +132,8 @@ int main(int argc, char **argv)
     SDL_WriteLE32(io, 0x20746D66);                             /* fmt */
     SDL_WriteLE32(io, 16);                                     /* chunk size */
     SDL_WriteLE16(io, SDL_AUDIO_ISFLOAT(spec.format) ? 3 : 1); /* uncompressed */
-    SDL_WriteLE16(io, cvtchans);                               /* channels */
-    SDL_WriteLE32(io, cvtfreq);                                /* sample rate */
+    SDL_WriteLE16(io, cvtspec.channels);                       /* channels */
+    SDL_WriteLE32(io, cvtspec.freq);                           /* sample rate */
     SDL_WriteLE32(io, avgbytes);                               /* average bytes per second */
     SDL_WriteLE16(io, blockalign);                             /* block align */
     SDL_WriteLE16(io, bitsize);                                /* significant bits per sample */