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mpegvideoparse: Use sequence_display_extension values to update the src caps

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The caps should always represent what the user is supposed to see.
So if there is a sequence_display_extension associated with the
stream then use the display_horizontal_size/display_vertical_size
to update the src caps (if they are less than the values provided
by sequence header).

https://bugzilla.gnome.org/show_bug.cgi?id=704009
This commit is contained in:
Sreerenj Balachandran 2013-07-11 17:46:37 +03:00 committed by Sebastian Dröge
parent 1e7b3a8c9e
commit 654744a03c
1 changed files with 20 additions and 2 deletions
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22
gst/videoparsers/gstmpegvideoparse.c
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@ -737,8 +737,26 @@ gst_mpegv_parse_update_src_caps (GstMpegvParse * mpvparse)
"parsed", G_TYPE_BOOLEAN, TRUE, NULL);
if (mpvparse->sequencehdr.width > 0 && mpvparse->sequencehdr.height > 0) {
gst_caps_set_simple (caps, "width", G_TYPE_INT, mpvparse->sequencehdr.width,
"height", G_TYPE_INT, mpvparse->sequencehdr.height, NULL);
GstMpegVideoSequenceDisplayExt *seqdispext;
gint width, height;
width = mpvparse->sequencehdr.width;
height = mpvparse->sequencehdr.height;
if (mpvparse->config_flags & FLAG_SEQUENCE_DISPLAY_EXT) {
seqdispext = &mpvparse->sequencedispext;
if (seqdispext->display_horizontal_size <= width
&& seqdispext->display_vertical_size <= height) {
width = seqdispext->display_horizontal_size;
height = seqdispext->display_vertical_size;
GST_INFO_OBJECT (mpvparse,
"stream has display extension: display_width=%d display_height=%d",
width, height);
}
}
gst_caps_set_simple (caps, "width", G_TYPE_INT, width,
"height", G_TYPE_INT, height, NULL);
}
/* perhaps we have a framerate */