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-rw-r--r--ext/wavpack/gstwavpackdec.c31
-rw-r--r--ext/wavpack/gstwavpackparse.c9
2 files changed, 37 insertions, 3 deletions
diff --git a/ext/wavpack/gstwavpackdec.c b/ext/wavpack/gstwavpackdec.c
index 1962c9b9..88074e80 100644
--- a/ext/wavpack/gstwavpackdec.c
+++ b/ext/wavpack/gstwavpackdec.c
@@ -236,6 +236,33 @@ gst_wavpack_dec_clip_outgoing_buffer (GstWavpackDec * dec, GstBuffer * buf)
return TRUE;
}
+static void
+gst_wavpack_dec_post_tags (GstWavpackDec * dec, WavpackHeader * wph)
+{
+ GstTagList *list;
+ GstFormat format_time = GST_FORMAT_TIME, format_bytes = GST_FORMAT_BYTES;
+ gint64 duration, size;
+
+ list = gst_tag_list_new ();
+
+ gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
+ GST_TAG_AUDIO_CODEC, "Wavpack", NULL);
+
+ /* try to estimate the average bitrate */
+ if (gst_pad_query_peer_duration (dec->sinkpad, &format_bytes, &size) &&
+ gst_pad_query_peer_duration (dec->sinkpad, &format_time, &duration) &&
+ size > 0 && duration > 0) {
+ guint64 bitrate;
+
+ bitrate = gst_util_uint64_scale (size, 8 * GST_SECOND, duration);
+ gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_BITRATE,
+ (guint) bitrate, NULL);
+ }
+
+ gst_element_post_message (GST_ELEMENT (dec),
+ gst_message_new_tag (GST_OBJECT (dec), list));
+}
+
static GstFlowReturn
gst_wavpack_dec_chain (GstPad * pad, GstBuffer * buf)
{
@@ -314,6 +341,10 @@ gst_wavpack_dec_chain (GstPad * pad, GstBuffer * buf)
/* should always succeed */
gst_pad_set_caps (dec->srcpad, caps);
gst_caps_unref (caps);
+
+ /* send GST_TAG_AUDIO_CODEC and GST_TAG_BITRATE tags before something
+ * is decoded or after the format has changed */
+ gst_wavpack_dec_post_tags (dec, &wph);
}
unpacked_size = wph.block_samples * (dec->width / 8) * dec->channels;
diff --git a/ext/wavpack/gstwavpackparse.c b/ext/wavpack/gstwavpackparse.c
index d252ccfb..30a5d78d 100644
--- a/ext/wavpack/gstwavpackparse.c
+++ b/ext/wavpack/gstwavpackparse.c
@@ -97,7 +97,8 @@ gst_wavpack_parse_base_init (gpointer klass)
GST_ELEMENT_DETAILS ("WavePack parser",
"Codec/Demuxer/Audio",
"Parses Wavpack files",
- "Arwed v. Merkatz <v.merkatz@gmx.net>");
+ "Arwed v. Merkatz <v.merkatz@gmx.net>, "
+ "Sebastian Dröge <slomo@circular-chaos.org>");
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
@@ -292,7 +293,8 @@ gst_wavpack_parse_src_query (GstPad * pad, GstQuery * query)
break;
default:
GST_DEBUG_OBJECT (parse, "cannot handle position query in "
- "%s format", gst_format_get_name (format));
+ "%s format. Forwarding upstream.", gst_format_get_name (format));
+ ret = gst_pad_query_default (pad, query);
break;
}
break;
@@ -327,7 +329,8 @@ gst_wavpack_parse_src_query (GstPad * pad, GstQuery * query)
break;
default:
GST_DEBUG_OBJECT (parse, "cannot handle duration query in "
- "%s format", gst_format_get_name (format));
+ "%s format. Forwarding upstream.", gst_format_get_name (format));
+ ret = gst_pad_query_default (pad, query);
break;
}
break;