aacparse: relax the detection of ADTS

According to ISO/IEC 13818-7, "channel_config" field in ADTS header
may have value of 0, as in the case of frame with PCE.
gst_aac_parse_detect_streams() returned FALSE for those frames
and discarded them.

diff --git a/gst/audioparsers/gstaacparse.c b/gst/audioparsers/gstaacparse.c
index 82bdc50c7a35f5cf14cfaf3065fcad379e60b1dc..a465ea700c92f0a2defb5ea8195e32f0e988213a 100644 (file)
--- a/gst/audioparsers/gstaacparse.c
+++ b/gst/audioparsers/gstaacparse.c
@@ -806,7 +806,7 @@ gst_aac_parse_detect_stream (GstAacParse * aacparse,
     gst_aac_parse_parse_adts_header (aacparse, data, &rate, &channels,
         &aacparse->object_type, &aacparse->mpegversion);
 
-    if (!channels || !framesize) {
+    if (!framesize) {
       GST_DEBUG_OBJECT (aacparse, "impossible ADTS configuration");
       return FALSE;
     }