a2dp-api: add <pa_a2dp_source>.handle_update_buffer_size()

EHfive · Apr 3, 2019 · d303d8d · d303d8d
1 parent 985e398
commit d303d8d
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/src/modules/bluetooth/a2dp/a2dp-api.h b/src/modules/bluetooth/a2dp/a2dp-api.h
@@ -173,6 +173,8 @@ typedef struct pa_a2dp_source {
 
     void (*get_block_size)(size_t write_link_mtu, size_t *write_block_size, void **codec_data);
 
+    size_t (*handle_update_buffer_size)(void **codec_data);
+
     void (*setup_stream)(void **codec_data);
 
     /* Pass read_cb_data to pa_a2dp_source_read_cb, pa_a2dp_source_read_buf_free_cb */

diff --git a/src/modules/bluetooth/module-bluez5-device.c b/src/modules/bluetooth/module-bluez5-device.c
@@ -616,9 +616,12 @@ static void update_buffer_size(struct userdata *u) {
          * there should at least be room for two chunks in the buffer. Generally, write_block_size
          * is larger than 512. If not, use the next multiple of write_block_size which is larger
          * than 1024. */
-        new_bufsize = 2 * u->write_block_size;
+        if (u->transport->a2dp_source && u->transport->a2dp_source->handle_update_buffer_size)
+            new_bufsize = (int) u->transport->a2dp_source->handle_update_buffer_size(&u->a2dp_info.a2dp_source_data);
+        else
+            new_bufsize = (int) (2 * u->write_block_size);
         if (new_bufsize < 1024)
-            new_bufsize = (1024 / u->write_block_size + 1) * u->write_block_size;
+            new_bufsize = (int) ((1024 / u->write_block_size + 1) * u->write_block_size);
 
         /* The kernel internally doubles the buffer size that was set by setsockopt and getsockopt
          * returns the doubled value. */