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vorbisdec: Reset decoder in more situations

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This is a followup commit to b95725c37e

* Resetting the decoder should only happen when we get a new initialization
header (0x01) and not on the other headers
* The initialized variable only gets set to TRUE once all headers have
been parsed. Also check if the vorbis_info struct has been properly resetted
also. Failure to do that would cause vorbisdec to error if it got
two initialization header in a row (the first would configure the underlying
library and the second one would error out because it's already initialized)

https://bugzilla.gnome.org/show_bug.cgi?id=779515
This commit is contained in:
Edward Hervey 2017-03-03 10:52:15 +01:00 committed by Edward Hervey
parent 6eef6bd1f5
commit e575be6dc6
1 changed files with 5 additions and 1 deletions
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6
ext/vorbis/gstvorbisdec.c
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@ -582,7 +582,11 @@ vorbis_dec_handle_frame (GstAudioDecoder * dec, GstBuffer * buffer)
/* switch depending on packet type */
if ((gst_ogg_packet_data (packet))[0] & 1) {
if (vd->initialized) {
/* If we get a new initialization packet, reset the decoder.
* The vorbis_info struct should have a rate of 0 if it hasn't been
* initialized yet. */
if ((vd->initialized || (vd->vi.rate != 0)) &&
(gst_ogg_packet_data (packet))[0] == 0x01) {
GST_INFO_OBJECT (vd, "already initialized, re-init");
vorbis_dec_reset (dec);
}