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oggstream: Workaround for broken PAR in VP8 BOS

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Similarily to the Theora mapping, process 0:N, N:0 and 0:0 pixel aspect ratios
as 1:1.

Fixes #719
This commit is contained in:
Philippe Normand 2020-01-13 09:06:02 +00:00
parent 104458071a
commit 6be01f0738
1 changed files with 5 additions and 0 deletions
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5
ext/ogg/gstoggstream.c
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@ -677,6 +677,11 @@ setup_vp8_mapper (GstOggStream * pad, ogg_packet * packet)
pad->n_header_packets = 2; pad->n_header_packets = 2;
pad->frame_size = 1; pad->frame_size = 1;
/* PAR of 0:N, N:0 and 0:0 is not explicitely allowed, but the best we can do
* here is to map to 1:1 so that caps negotiation doesn't break downstream. */
if (par_n == 0 || par_d == 0)
par_n = par_d = 1;
pad->caps = gst_caps_new_simple ("video/x-vp8", pad->caps = gst_caps_new_simple ("video/x-vp8",
"width", G_TYPE_INT, width, "width", G_TYPE_INT, width,
"height", G_TYPE_INT, height, "height", G_TYPE_INT, height,