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avcodecmap: Configure field order in the context if we can

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=771376
This commit is contained in:
Sebastian Dröge 2016-09-29 15:18:46 +03:00
parent fb9fea0223
commit d2e65754b3
1 changed files with 17 additions and 0 deletions
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17
ext/libav/gstavcodecmap.c
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@ -2426,6 +2426,7 @@ gst_ffmpeg_caps_to_pixfmt (const GstCaps * caps,
const GValue *par = NULL;
const gchar *fmt;
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
const gchar *s;
GST_DEBUG ("converting caps %" GST_PTR_FORMAT, caps);
g_return_if_fail (gst_caps_get_size (caps) == 1);
@ -2541,6 +2542,22 @@ gst_ffmpeg_caps_to_pixfmt (const GstCaps * caps,
default:
break;
}
s = gst_structure_get_string (structure, "interlaced-mode");
if (s) {
if (strcmp (s, "progressive") == 0) {
context->field_order = AV_FIELD_PROGRESSIVE;
} else if (strcmp (s, "interleaved") == 0) {
s = gst_structure_get_string (structure, "field-order");
if (s) {
if (strcmp (s, "top-field-first") == 0) {
context->field_order = AV_FIELD_TT;
} else if (strcmp (s, "bottom-field-first") == 0) {
context->field_order = AV_FIELD_TB;
}
}
}
}
}
typedef struct