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ffenc: fix caps handling

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Avoid copies and leaks
This commit is contained in:
Wim Taymans 2012-03-27 16:39:09 +02:00
parent 646e934999
commit 894be47d5f
1 changed files with 21 additions and 18 deletions
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39
ext/ffmpeg/gstffmpegenc.c
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@ -317,7 +317,7 @@ static GstCaps *
gst_ffmpegenc_get_possible_sizes (GstFFMpegEnc * ffmpegenc, GstPad * pad,
GstCaps * caps)
{
GstCaps *othercaps = NULL;
GstCaps *templ, *othercaps = NULL;
GstCaps *tmpcaps = NULL;
GstCaps *intersect = NULL;
guint i;
@ -325,17 +325,18 @@ gst_ffmpegenc_get_possible_sizes (GstFFMpegEnc * ffmpegenc, GstPad * pad,
othercaps = gst_pad_peer_query_caps (ffmpegenc->srcpad, NULL);
if (!othercaps)
return gst_caps_copy (caps);
return gst_caps_ref (caps);
intersect = gst_caps_intersect (othercaps,
gst_pad_get_pad_template_caps (ffmpegenc->srcpad));
templ = gst_pad_get_pad_template_caps (ffmpegenc->srcpad);
intersect = gst_caps_intersect (othercaps, templ);
gst_caps_unref (othercaps);
gst_caps_unref (templ);
if (gst_caps_is_empty (intersect))
return intersect;
if (gst_caps_is_any (intersect))
return gst_caps_copy (caps);
return gst_caps_ref (caps);
tmpcaps = gst_caps_new_empty ();
@ -377,7 +378,7 @@ gst_ffmpegenc_getcaps (GstPad * pad, GstCaps * filter)
(GstFFMpegEncClass *) G_OBJECT_GET_CLASS (ffmpegenc);
AVCodecContext *ctx = NULL;
enum PixelFormat pixfmt;
GstCaps *caps = NULL;
GstCaps *templ, *caps = NULL;
GstCaps *finalcaps = NULL;
gint i;
@ -385,11 +386,12 @@ gst_ffmpegenc_getcaps (GstPad * pad, GstCaps * filter)
/* audio needs no special care */
if (oclass->in_plugin->type == AVMEDIA_TYPE_AUDIO) {
caps = gst_pad_get_pad_template_caps (pad);
if (filter)
caps = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
else
caps = gst_caps_copy (caps);
templ = gst_pad_get_pad_template_caps (pad);
if (filter) {
caps = gst_caps_intersect_full (filter, templ, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (templ);
} else
caps = templ;
GST_DEBUG_OBJECT (ffmpegenc, "audio caps, return intersected template %"
GST_PTR_FORMAT, caps);
@ -506,8 +508,9 @@ gst_ffmpegenc_getcaps (GstPad * pad, GstCaps * filter)
/* make sure we have something */
if (!caps) {
caps = gst_ffmpegenc_get_possible_sizes (ffmpegenc, pad,
gst_pad_get_pad_template_caps (pad));
templ = gst_pad_get_pad_template_caps (pad);
caps = gst_ffmpegenc_get_possible_sizes (ffmpegenc, pad, templ);
gst_caps_unref (templ);
if (filter) {
finalcaps =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
@ -521,10 +524,10 @@ gst_ffmpegenc_getcaps (GstPad * pad, GstCaps * filter)
}
GST_DEBUG_OBJECT (ffmpegenc, "probed caps gave %" GST_PTR_FORMAT, caps);
oclass->sinkcaps = gst_caps_copy (caps);
oclass->sinkcaps = caps;
finalcaps = gst_ffmpegenc_get_possible_sizes (ffmpegenc, pad, caps);
gst_caps_unref (caps);
finalcaps =
gst_ffmpegenc_get_possible_sizes (ffmpegenc, pad, oclass->sinkcaps);
if (filter) {
caps = finalcaps;
@ -706,8 +709,7 @@ gst_ffmpegenc_setcaps (GstFFMpegEnc * ffmpegenc, GstCaps * caps)
GST_DEBUG_OBJECT (ffmpegenc, "... but no peer, using template caps");
/* we need to copy because get_allowed_caps returns a ref, and
* get_pad_template_caps doesn't */
allowed_caps =
gst_caps_copy (gst_pad_get_pad_template_caps (ffmpegenc->srcpad));
allowed_caps = gst_pad_get_pad_template_caps (ffmpegenc->srcpad);
}
GST_DEBUG_OBJECT (ffmpegenc, "chose caps %" GST_PTR_FORMAT, allowed_caps);
gst_ffmpeg_caps_with_codecid (oclass->in_plugin->id,
@ -718,6 +720,7 @@ gst_ffmpegenc_setcaps (GstFFMpegEnc * ffmpegenc, GstCaps * caps)
ffmpegenc->context, TRUE);
if (!other_caps) {
gst_caps_unref (allowed_caps);
gst_ffmpeg_avcodec_close (ffmpegenc->context);
GST_DEBUG ("Unsupported codec - no caps found");
return FALSE;