diff options
| author | David Schleef <ds@schleef.org> | 2015-03-26 13:42:02 -0700 |
|---|---|---|
| committer | David Schleef <ds@schleef.org> | 2015-03-26 16:24:52 -0700 |
| commit | 59756c1898e71b318a63150ed9f44fb3f79ad3a8 (patch) | |
| tree | 2a00d9a982b33b94f5c842cf4d6e65cd3268d51e | |
| parent | 84725d62b57bc74ce34abde755f35bf8f948f94d (diff) | |
wavparse: Fix up comments regarding DTS
| -rw-r--r-- | gst/wavparse/gstwavparse.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gst/wavparse/gstwavparse.c b/gst/wavparse/gstwavparse.c index 36747799c..0aa24c2c4 100644 --- a/gst/wavparse/gstwavparse.c +++ b/gst/wavparse/gstwavparse.c @@ -1827,12 +1827,16 @@ gst_wavparse_have_dts_caps (const GstCaps * caps, GstTypeFindProbability prob) s = gst_caps_get_structure (caps, 0); if (!gst_structure_has_name (s, "audio/x-dts")) return FALSE; - if (prob >= GST_TYPE_FIND_LIKELY) + /* typefind behavior for DTS: + * MAXIMUM: multiple frame syncs detected, certainly DTS + * LIKELY: single frame sync at offset 0. Maybe DTS? + * POSSIBLE: single frame sync, not at offset 0. Highly unlikely + * to be DTS. */ + if (prob > GST_TYPE_FIND_LIKELY) return TRUE; - /* DTS at non-0 offsets and without second sync may yield POSSIBLE .. */ if (prob <= GST_TYPE_FIND_POSSIBLE) return FALSE; - /* .. in which case we want at least a valid-looking rate and channels */ + /* for maybe, check for at least a valid-looking rate and channels */ if (!gst_structure_has_field (s, "channels")) return FALSE; /* and for extra assurance we could also check the rate from the DTS frame |