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ffmpeg: make elements reusable after registry rescan

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If the same instance of the plugin is asked to be initialised more that once,
instances after the first one do not register the elements properly and the
elements become not usable.

For example, if you call gst_update_registry (), is not possible to create
elements after the call since the plugin is asked to be initialised again and
does not register the elements.

Fixes #584291
This commit is contained in:
Jordi Mas 2009-06-05 13:19:03 +02:00 committed by Wim Taymans
parent 6d643a134e
commit cfbb046f1e
3 changed files with 43 additions and 53 deletions
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8
ext/ffmpeg/gstffmpegdec.c
View file

@ -2731,12 +2731,9 @@ gst_ffmpegdec_register (GstPlugin * plugin)
type_name = g_strdup_printf ("ffdec_%s", plugin_name);
g_free (plugin_name);
/* if it's already registered, drop it */
if (g_type_from_name (type_name)) {
g_free (type_name);
goto next;
}
type = g_type_from_name (type_name);
if (!type) {
params = g_new0 (GstFFMpegDecClassParams, 1);
params->in_plugin = in_plugin;
params->srccaps = gst_caps_ref (srccaps);
@ -2745,6 +2742,7 @@ gst_ffmpegdec_register (GstPlugin * plugin)
/* create the gtype now */
type = g_type_register_static (GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
g_type_set_qdata (type, GST_FFDEC_PARAMS_QDATA, (gpointer) params);
}
/* (Ronald) MPEG-4 gets a higher priority because it has been well-
* tested and by far outperforms divxdec/xviddec - so we prefer it.

8
ext/ffmpeg/gstffmpegenc.c
View file

@ -1177,12 +1177,9 @@ gst_ffmpegenc_register (GstPlugin * plugin)
/* construct the type */
type_name = g_strdup_printf ("ffenc_%s", in_plugin->name);
/* if it's already registered, drop it */
if (g_type_from_name (type_name)) {
g_free (type_name);
goto next;
}
type = g_type_from_name (type_name);
if (!type) {
params = g_new0 (GstFFMpegEncClassParams, 1);
params->in_plugin = in_plugin;
params->srccaps = gst_caps_ref (srccaps);
@ -1200,6 +1197,7 @@ gst_ffmpegenc_register (GstPlugin * plugin)
};
g_type_add_interface_static (type, GST_TYPE_PRESET, &preset_info);
}
}
if (!gst_element_register (plugin, type_name, GST_RANK_NONE, type)) {
g_free (type_name);

16
ext/ffmpeg/gstffmpegmux.c
View file

@ -835,17 +835,6 @@ gst_ffmpegmux_register (GstPlugin * plugin)
p++;
}
/* if it's already registered, drop it */
if (g_type_from_name (type_name)) {
g_free (type_name);
gst_caps_unref (srccaps);
if (audiosinkcaps)
gst_caps_unref (audiosinkcaps);
if (videosinkcaps)
gst_caps_unref (videosinkcaps);
goto next;
}
/* fix up allowed caps for some muxers */
if (strcmp (in_plugin->name, "flv") == 0) {
const gint rates[] = { 44100, 22050, 11025 };
@ -859,6 +848,9 @@ gst_ffmpegmux_register (GstPlugin * plugin)
gst_caps_from_string ("video/x-raw-rgb, bpp=(int)24, depth=(int)24");
}
type = g_type_from_name (type_name);
if (!type) {
/* create a cache for these properties */
params = g_new0 (GstFFMpegMuxClassParams, 1);
params->in_plugin = in_plugin;
@ -871,6 +863,8 @@ gst_ffmpegmux_register (GstPlugin * plugin)
g_type_set_qdata (type, GST_FFMUX_PARAMS_QDATA, (gpointer) params);
g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
}
if (!gst_element_register (plugin, type_name, GST_RANK_NONE, type)) {
g_free (type_name);
gst_caps_unref (srccaps);