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encoding-profile: Give a better usage example

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Edward Hervey 2011-01-03 19:07:45 +01:00 committed by Edward Hervey
parent 777f816ff1
commit 5a8858b3bc
1 changed files with 22 additions and 13 deletions
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35
gst-libs/gst/pbutils/encoding-profile.c
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@ -85,27 +85,36 @@
* </para>
* </refsect2>
* <refsect2>
* <title>Example: Loading a profile from disk</title>
* <title>Example: Listing categories, targets and profiles</title>
* <para>
* |[
* #include <gst/pbutils/encoding-profile.h>
* ...
*GstEncodingProfile *
*get_ogg_theora_profile(const gchar *path, const gchar *profilename)
*{
* GstEncodingProfile *prof = NULL;
* GstEncodingTarget *target = NULL;
* GstEncodingProfile *prof;
* GList *categories, *tmpc;
* GList *targets, *tmpt;
* ...
* categories = gst_encoding_target_list_available_categories();
*
* target = gst_encoding_target_load_from (path);
* if (target == NULL)
* return NULL;
* ... Show available categories to user ...
*
* prof = gst_encoding_target_get_profile (target, profilename);
* for (tmpc = categories; tmpc; tmpc = tmpc->next) {
* gchar *category = (gchar *) tmpc->data;
*
* gst_encoding_target_unref (target);
* ... and we can list all targets within that category ...
*
* targets = gst_encoding_target_list_all (category);
*
* return prof;
*}
* ... and show a list to our users ...
*
* g_list_foreach (targets, (GFunc) gst_encoding_target_unref, NULL);
* g_list_free (targets);
* }
*
* g_list_foreach (categories, (GFunc) g_free, NULL);
* g_list_free (categories);
*
* ...
* ]|
* </para>
* </refsect2>