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opusenc: Create an empty taglist if there is none

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There always have to be 2 buffers in the streamheaders, even if
the comment buffer is basically empty.
This commit is contained in:
Sebastian Dröge 2015-11-04 00:12:22 +02:00
parent 4ca84a9b1a
commit 85984fa946
1 changed files with 5 additions and 0 deletions
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5
ext/opus/gstopusenc.c
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@ -711,6 +711,7 @@ gst_opus_enc_setup (GstOpusEnc * enc)
gboolean ret; gboolean ret;
gint32 lookahead; gint32 lookahead;
const GstTagList *tags; const GstTagList *tags;
GstTagList *empty_tags = NULL;
GstBuffer *header, *comments; GstBuffer *header, *comments;
#ifndef GST_DISABLE_GST_DEBUG #ifndef GST_DISABLE_GST_DEBUG
@ -763,10 +764,14 @@ gst_opus_enc_setup (GstOpusEnc * enc)
enc->n_channels - enc->n_stereo_streams, enc->n_stereo_streams, enc->n_channels - enc->n_stereo_streams, enc->n_stereo_streams,
enc->decoding_channel_mapping, lookahead, 0); enc->decoding_channel_mapping, lookahead, 0);
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (enc)); tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (enc));
if (!tags)
tags = empty_tags = gst_tag_list_new_empty ();
comments = comments =
gst_tag_list_to_vorbiscomment_buffer (tags, (const guint8 *) "OpusTags", gst_tag_list_to_vorbiscomment_buffer (tags, (const guint8 *) "OpusTags",
8, "Encoded with GStreamer opusenc"); 8, "Encoded with GStreamer opusenc");
caps = gst_codec_utils_opus_create_caps_from_header (header, comments); caps = gst_codec_utils_opus_create_caps_from_header (header, comments);
if (empty_tags)
gst_tag_list_unref (empty_tags);
gst_buffer_unref (header); gst_buffer_unref (header);
gst_buffer_unref (comments); gst_buffer_unref (comments);