Fix a memory leak in the ALAC decoder.

[deb_shairplay.git] / src / lib / alac / alac.c

diff --git a/src/lib/alac/alac.c b/src/lib/alac/alac.c
index 9d575ae6b2e47ec6ebdb4ad52c64c3e612f4a267..195e66afd0de62ca9a364c345811e790129571aa 100644 (file)
--- a/src/lib/alac/alac.c
+++ b/src/lib/alac/alac.c
@@ -111,6 +111,24 @@ static void allocate_buffers(alac_file *alac)
        alac->uncompressed_bytes_buffer_b = malloc(alac->setinfo_max_samples_per_frame * 4);
 }
 
+static void deallocate_buffers(alac_file *alac)
+{
+    free(alac->predicterror_buffer_a);
+    free(alac->predicterror_buffer_b);
+    alac->predicterror_buffer_a = NULL;
+    alac->predicterror_buffer_b = NULL;
+
+    free(alac->outputsamples_buffer_a);
+    free(alac->outputsamples_buffer_b);
+    alac->outputsamples_buffer_a = NULL;
+    alac->outputsamples_buffer_b = NULL;
+       
+       free(alac->uncompressed_bytes_buffer_a);
+       free(alac->uncompressed_bytes_buffer_b);
+       alac->uncompressed_bytes_buffer_a = NULL;
+       alac->uncompressed_bytes_buffer_b = NULL;
+}
+
 void alac_set_info(alac_file *alac, char *inputbuffer)
 {
   char *ptr = inputbuffer;
@@ -1170,3 +1188,9 @@ alac_file *create_alac(int samplesize, int numchannels)
     return newfile;
 }
 
+void destroy_alac(alac_file *alac)
+{
+    if (!alac) return;
+    deallocate_buffers(alac);
+    free(alac);
+}