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gst/ffmpegcolorspace/gstffmpegcolorspace.c: Prefer passthrough in transform_caps

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Original commit message from CVS:
* gst/ffmpegcolorspace/gstffmpegcolorspace.c:
(gst_ffmpegcsp_transform_caps):
Prefer passthrough in transform_caps
This commit is contained in:
Thomas Vander Stichele 2005-11-10 18:57:17 +00:00
parent 1f1bfe8a09
commit 8f560885c2
2 changed files with 17 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2005-11-10 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/ffmpegcolorspace/gstffmpegcolorspace.c:
(gst_ffmpegcsp_transform_caps):
Prefer passthrough in transform_caps
2005-11-10 Thomas Vander Stichele <thomas at apestaart dot org> 2005-11-10 Thomas Vander Stichele <thomas at apestaart dot org>
* ext/alsa/gstalsasink.c: (gst_alsasink_open): * ext/alsa/gstalsasink.c: (gst_alsasink_open):

12
gst/ffmpegcolorspace/gstffmpegcolorspace.c
View file

@ -85,6 +85,7 @@ static GstElementClass *parent_class = NULL;
/*static guint gst_ffmpegcsp_signals[LAST_SIGNAL] = { 0 }; */ /*static guint gst_ffmpegcsp_signals[LAST_SIGNAL] = { 0 }; */
/* copies the given caps */
static GstCaps * static GstCaps *
gst_ffmpegcsp_caps_remove_format_info (GstCaps * caps) gst_ffmpegcsp_caps_remove_format_info (GstCaps * caps)
{ {
@ -122,17 +123,26 @@ gst_ffmpegcsp_caps_remove_format_info (GstCaps * caps)
return caps; return caps;
} }
/* The caps can be transformed into any other caps with format info removed.
* However, we should prefer passthrough, so if passthrough is possible,
* put it first in the list. */
static GstCaps * static GstCaps *
gst_ffmpegcsp_transform_caps (GstBaseTransform * btrans, gst_ffmpegcsp_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps) GstPadDirection direction, GstCaps * caps)
{ {
GstFFMpegCsp *space; GstFFMpegCsp *space;
GstCaps *template;
GstCaps *result; GstCaps *result;
space = GST_FFMPEGCSP (btrans); space = GST_FFMPEGCSP (btrans);
result = gst_ffmpegcsp_caps_remove_format_info (caps); template = gst_ffmpegcsp_codectype_to_caps (CODEC_TYPE_VIDEO, NULL);
result = gst_caps_intersect (caps, template);
gst_caps_append (result, gst_ffmpegcsp_caps_remove_format_info (caps));
GST_DEBUG_OBJECT (btrans, "transformed %" GST_PTR_FORMAT " into %"
GST_PTR_FORMAT, caps, result);
return result; return result;
} }