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videoencoder: Forward upstream HDR information to downstream

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... if subclass didn't update values. Note that the mastering-display-info
and content-light-level might be updated by user defined value (e.g., encoding option).
This commit is contained in:
Seungha Yang 2019-05-02 14:24:27 +09:00
parent 3e460766e8
commit 4e80ea6473
1 changed files with 29 additions and 0 deletions
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29
gst-libs/gst/video/gstvideoencoder.c
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@ -1677,6 +1677,8 @@ gst_video_encoder_negotiate_default (GstVideoEncoder * encoder)
g_return_val_if_fail (state->caps != NULL, FALSE);
if (encoder->priv->output_state_changed) {
GstCaps *incaps;
state->caps = gst_caps_make_writable (state->caps);
/* Fill caps */
@ -1724,6 +1726,33 @@ gst_video_encoder_negotiate_default (GstVideoEncoder * encoder)
caps_mview_mode, "multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
GST_VIDEO_INFO_MULTIVIEW_FLAGS (info), GST_FLAG_SET_MASK_EXACT, NULL);
}
incaps = gst_pad_get_current_caps (GST_VIDEO_ENCODER_SINK_PAD (encoder));
if (incaps) {
GstStructure *in_struct;
GstStructure *out_struct;
const gchar *s;
in_struct = gst_caps_get_structure (incaps, 0);
out_struct = gst_caps_get_structure (state->caps, 0);
/* forward upstream mastering display info and content light level
* if subclass didn't set */
if ((s = gst_structure_get_string (in_struct, "mastering-display-info"))
&& !gst_structure_has_field (out_struct, "mastering-display-info")) {
gst_caps_set_simple (state->caps, "mastering-display-info",
G_TYPE_STRING, s, NULL);
}
if ((s = gst_structure_get_string (in_struct, "content-light-level")) &&
!gst_structure_has_field (out_struct, "content-light-level")) {
gst_caps_set_simple (state->caps,
"content-light-level", G_TYPE_STRING, s, NULL);
}
gst_caps_unref (incaps);
}
encoder->priv->output_state_changed = FALSE;
}