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author | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2011-11-24 10:09:59 +0100 |
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committer | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2011-11-24 10:09:59 +0100 |
commit | 61fad46dca27291f59951213625299863b68a722 (patch) | |
tree | 193f5634e92a557e08ec37a319b85af552e80cec /gst/videoparsers/gsth263parse.c | |
parent | b10c1f277f2bab2058d398f60f392682083db541 (diff) | |
download | gstreamer-plugins-bad-61fad46dca27291f59951213625299863b68a722.tar.gz |
h263parse: Implement ::get_sink_caps vfunc to propagate downstream caps constraints upstream
Diffstat (limited to 'gst/videoparsers/gsth263parse.c')
-rw-r--r-- | gst/videoparsers/gsth263parse.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gst/videoparsers/gsth263parse.c b/gst/videoparsers/gsth263parse.c index 4a5633f3b..e13a94605 100644 --- a/gst/videoparsers/gsth263parse.c +++ b/gst/videoparsers/gsth263parse.c @@ -58,6 +58,7 @@ static gboolean gst_h263_parse_check_valid_frame (GstBaseParse * parse, GstBaseParseFrame * frame, guint * framesize, gint * skipsize); static GstFlowReturn gst_h263_parse_parse_frame (GstBaseParse * parse, GstBaseParseFrame * frame); +static GstCaps *gst_h263_parse_get_sink_caps (GstBaseParse * parse); static void gst_h263_parse_base_init (gpointer g_class) @@ -89,6 +90,7 @@ gst_h263_parse_class_init (GstH263ParseClass * klass) parse_class->check_valid_frame = GST_DEBUG_FUNCPTR (gst_h263_parse_check_valid_frame); parse_class->parse_frame = GST_DEBUG_FUNCPTR (gst_h263_parse_parse_frame); + parse_class->get_sink_caps = GST_DEBUG_FUNCPTR (gst_h263_parse_get_sink_caps); } static void @@ -359,3 +361,35 @@ out: return res; } + +static GstCaps * +gst_h263_parse_get_sink_caps (GstBaseParse * parse) +{ + GstCaps *peercaps; + GstCaps *res; + + peercaps = gst_pad_get_allowed_caps (GST_BASE_PARSE_SRC_PAD (parse)); + if (peercaps) { + guint i, n; + + /* Remove parsed field */ + peercaps = gst_caps_make_writable (peercaps); + n = gst_caps_get_size (peercaps); + for (i = 0; i < n; i++) { + GstStructure *s = gst_caps_get_structure (peercaps, i); + gst_structure_remove_field (s, "parsed"); + } + + res = + gst_caps_intersect_full (peercaps, + gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse)), + GST_CAPS_INTERSECT_FIRST); + gst_caps_unref (peercaps); + } else { + res = + gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD + (parse))); + } + + return res; +} |