codec-utils: properly determine AAC Level

Table 1.10 – "Levels for the AAC Profile" only goes to 5 max channels
/ 7 max channel post amendmend, so I assume the number of channels
should not include LFE, otherwise there's no valid level for 5.1 resp.
7.1 (post amendmend)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/680>

diff --git a/gst-libs/gst/pbutils/codec-utils.c b/gst-libs/gst/pbutils/codec-utils.c
index 3d6d30a..9714f80 100644 (file)
--- a/gst-libs/gst/pbutils/codec-utils.c
+++ b/gst-libs/gst/pbutils/codec-utils.c
@@ -448,7 +448,7 @@ gst_codec_utils_aac_get_level (const guint8 * audio_config, guint len)
   else
     rcu += (rcu_ref + (rcu_ref - 1) * ((2 * num_cpe) - 1));
 
-  num_channels = num_sce + (2 * num_cpe) + num_lfe;
+  num_channels = num_sce + (2 * num_cpe);
 
   if (audio_object_type == 2) {
     /* AAC LC => return the level as per the 'AAC Profile' */