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encodebin: Check for missing converters

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Adds checks for missing video and audio converter elements
This commit is contained in:
Thiago Santos 2011-04-28 10:58:15 -03:00
parent c13a6e2281
commit fd486588ce
1 changed files with 36 additions and 0 deletions
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36
gst/encoding/gstencodebin.c
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@ -928,6 +928,7 @@ _create_stream_group (GstEncodeBin * ebin, GstEncodingProfile * sprof,
GList *tmp, *tosync = NULL;
const GstCaps *format;
const GstCaps *restriction;
const gchar *missing_element_name;
format = gst_encoding_profile_get_format (sprof);
restriction = gst_encoding_profile_get_restriction (sprof);
@ -1173,10 +1174,19 @@ _create_stream_group (GstEncodeBin * ebin, GstEncodingProfile * sprof,
cspace = gst_element_factory_make ("ffmpegcolorspace", NULL);
scale = gst_element_factory_make ("videoscale", NULL);
if (!scale) {
missing_element_name = "videoscale";
goto missing_element;
}
/* 4-tap scaling and black borders */
g_object_set (scale, "method", 2, "add-borders", TRUE, NULL);
cspace2 = gst_element_factory_make ("ffmpegcolorspace", NULL);
if (!cspace || !cspace2) {
missing_element_name = "ffmpegcolorspace";
goto missing_element;
}
gst_bin_add_many ((GstBin *) ebin, cspace, scale, cspace2, NULL);
tosync = g_list_append (tosync, cspace);
tosync = g_list_append (tosync, scale);
@ -1193,6 +1203,11 @@ _create_stream_group (GstEncodeBin * ebin, GstEncodingProfile * sprof,
if (!gst_encoding_video_profile_get_variableframerate
(GST_ENCODING_VIDEO_PROFILE (sprof))) {
vrate = gst_element_factory_make ("videorate", NULL);
if (!vrate) {
missing_element_name = "videorate";
goto missing_element;
}
gst_bin_add ((GstBin *) ebin, vrate);
tosync = g_list_prepend (tosync, vrate);
sgroup->converters = g_list_prepend (sgroup->converters, vrate);
@ -1211,9 +1226,21 @@ _create_stream_group (GstEncodeBin * ebin, GstEncodingProfile * sprof,
arate = gst_element_factory_make ("audiorate", NULL);
g_object_set (arate, "tolerance", (guint64) ebin->tolerance, NULL);
if (!arate) {
missing_element_name = "audiorate";
goto missing_element;
}
aconv = gst_element_factory_make ("audioconvert", NULL);
aconv2 = gst_element_factory_make ("audioconvert", NULL);
ares = gst_element_factory_make ("audioresample", NULL);
if (!aconv || !aconv2) {
missing_element_name = "audioconvert";
goto missing_element;
}
if (!ares) {
missing_element_name = "audioresample";
goto missing_element;
}
gst_bin_add_many ((GstBin *) ebin, arate, aconv, ares, aconv2, NULL);
tosync = g_list_append (tosync, arate);
@ -1283,6 +1310,15 @@ no_muxer_pad:
"Couldn't find a compatible muxer pad to link encoder to");
goto cleanup;
missing_element:
gst_element_post_message (GST_ELEMENT_CAST (ebin),
gst_missing_element_message_new (GST_ELEMENT_CAST (ebin),
missing_element_name));
GST_ELEMENT_ERROR (ebin, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
missing_element_name), (NULL));
goto cleanup;
encoder_link_failure:
GST_ERROR_OBJECT (ebin, "Failed to link the encoder");
goto cleanup;