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videodecoder: Forward upstream HDR information to downstream

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The HDR related information is not part of GstVideoInfo but should be passed
to downstream.
This commit is contained in:
Seungha Yang 2019-04-27 22:29:25 +09:00 committed by Tim-Philipp Müller
parent 630d3c3d12
commit 3e460766e8
1 changed files with 27 additions and 0 deletions
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27
gst-libs/gst/video/gstvideodecoder.c
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@ -3792,6 +3792,7 @@ gst_video_decoder_negotiate_default (GstVideoDecoder * decoder)
gboolean ret = TRUE;
GstVideoCodecFrame *frame;
GstCaps *prevcaps;
GstCaps *incaps;
if (!state) {
GST_DEBUG_OBJECT (decoder,
@ -3819,6 +3820,32 @@ gst_video_decoder_negotiate_default (GstVideoDecoder * decoder)
if (state->caps == NULL)
state->caps = gst_video_info_to_caps (&state->info);
incaps = gst_pad_get_current_caps (GST_VIDEO_DECODER_SINK_PAD (decoder));
if (incaps) {
GstStructure *in_struct;
in_struct = gst_caps_get_structure (incaps, 0);
if (gst_structure_has_field (in_struct, "mastering-display-info") ||
gst_structure_has_field (in_struct, "content-light-level")) {
const gchar *s;
/* prefer upstream information */
state->caps = gst_caps_make_writable (state->caps);
if ((s = gst_structure_get_string (in_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_caps_set_simple (state->caps,
"content-light-level", G_TYPE_STRING, s, NULL);
}
}
gst_caps_unref (incaps);
}
if (state->allocation_caps == NULL)
state->allocation_caps = gst_caps_ref (state->caps);