plugins: pdbox: remove HW_SAMPR_CAPS usage

commit 6be230275e1868f7c1e4ab53b69a4b6d16e64e7c
Author: mojyack <[email protected]>
Date:   Fri Feb 13 22:37:47 2026 +0900

    plugins: pdbox: remove HW_SAMPR_CAPS usage
    
    Change-Id: I4e37213a38ac5d1260bc2fa208828abd55fc2647

diff --git a/apps/plugins/pdbox/pdbox.c b/apps/plugins/pdbox/pdbox.c
index 08236bfeba..78d6037fa6 100644
--- a/apps/plugins/pdbox/pdbox.c
+++ b/apps/plugins/pdbox/pdbox.c
@@ -188,6 +188,26 @@ enum plugin_status plugin_start(const void* parameter)
     /* Set audio API. */
     sys_set_audio_api(API_ROCKBOX);
 
+    /* Determine sample rate. */
+#if defined(SIMULATOR)
+#define PREFERRED_SAMPR SAMPR_44
+#else
+#define PREFERRED_SAMPR SAMPR_22
+#endif
+    int samplerate;
+    {
+        int i;
+        const struct pcm_sink_caps* caps = rb->pcm_current_sink_caps();
+        for (i = 0; i < caps->num_samprs; i++) {
+            if (caps->samprs[i] == PREFERRED_SAMPR)
+                break;
+        }
+        if (i == caps->num_samprs)
+            samplerate = SAMPR_44;
+        else
+            samplerate = caps->samprs[i];
+    }
+
     /* Initialize audio subsystem. */
     sys_open_audio(0, /* No sound input yet */
                    sys_soundindevlist,
@@ -197,7 +217,7 @@ enum plugin_status plugin_start(const void* parameter)
                    sys_soundoutdevlist,
                    -1, /* Use the default amount (2) of channels */
                    sys_choutlist,
-                   PD_SAMPLERATE, /* Sample rate */
+                   samplerate, /* Sample rate */
                    DEFAULTADVANCE, /* Scheduler advance */
                    1 /* Enable */);
 
diff --git a/apps/plugins/pdbox/pdbox.h b/apps/plugins/pdbox/pdbox.h
index 8dcb152479..36fb6c4fa8 100644
--- a/apps/plugins/pdbox/pdbox.h
+++ b/apps/plugins/pdbox/pdbox.h
@@ -40,17 +40,9 @@
 #define calloc(elements, elem_size) tlsf_calloc(elements, elem_size)
 
 /* Audio declarations. */
-#ifdef SIMULATOR
-  #define PD_SAMPLERATE 44100
-#elif (HW_SAMPR_CAPS & SAMPR_CAP_22)
-  #define PD_SAMPLERATE 22050
-#elif (HW_SAMPR_CAPS & SAMPR_CAP_32)
-  #define PD_SAMPLERATE 32000
-#elif (HW_SAMPR_CAPS & SAMPR_CAP_44)
-  #define PD_SAMPLERATE 44100
-#else
-  #error No sufficient sample rate available!
-#endif
+/* Maximum sample rate; used for buffer sizing.
+ * Actual rate is determined at runtime from pcm sink capabilities. */
+#define PD_SAMPLERATE 44100
 #define PD_SAMPLES_PER_HZ ((PD_SAMPLERATE / HZ) + \
                            (PD_SAMPLERATE % HZ > 0 ? 1 : 0))
 #define PD_OUT_CHANNELS 2
-- 
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