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wavenc: generate a non-empty data header

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Restore the behavior of the element to the state before commit
db29522a43. A non-empty header is
generated and when the EOS event is received the header is generated
again, this time with the correct size.

https://bugzilla.gnome.org/show_bug.cgi?id=711699
This commit is contained in:
Philippe Normand 2013-11-08 17:59:24 +01:00 committed by Sebastian Dröge
parent c8db05d610
commit 0ee332378b
1 changed files with 5 additions and 3 deletions
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8
gst/wavenc/gstwavenc.c
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@ -854,8 +854,7 @@ gst_wavenc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
/* starting a file, means we have to finish it properly */ /* starting a file, means we have to finish it properly */
wavenc->finished_properly = FALSE; wavenc->finished_properly = FALSE;
/* use bogus size initially, we'll write the real /* push initial bogus header, it will be updated on EOS */
* header when we get EOS and know the exact length */
flow = gst_wavenc_push_header (wavenc); flow = gst_wavenc_push_header (wavenc);
if (flow != GST_FLOW_OK) { if (flow != GST_FLOW_OK) {
GST_WARNING_OBJECT (wavenc, "error pushing header: %s", GST_WARNING_OBJECT (wavenc, "error pushing header: %s",
@ -863,6 +862,7 @@ gst_wavenc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
return flow; return flow;
} }
GST_DEBUG_OBJECT (wavenc, "wrote dummy header"); GST_DEBUG_OBJECT (wavenc, "wrote dummy header");
wavenc->audio_length = 0;
wavenc->sent_header = TRUE; wavenc->sent_header = TRUE;
} }
@ -894,7 +894,9 @@ gst_wavenc_change_state (GstElement * element, GstStateChange transition)
wavenc->channels = 0; wavenc->channels = 0;
wavenc->width = 0; wavenc->width = 0;
wavenc->rate = 0; wavenc->rate = 0;
wavenc->audio_length = 0; /* use bogus size initially, we'll write the real
* header when we get EOS and know the exact length */
wavenc->audio_length = 0x7FFF0000;
wavenc->meta_length = 0; wavenc->meta_length = 0;
wavenc->sent_header = FALSE; wavenc->sent_header = FALSE;
/* its true because we haven't writen anything */ /* its true because we haven't writen anything */