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encoding-profile: Add example for using encoder presets with profiles

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https://bugzilla.gnome.org/show_bug.cgi?id=733349
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Nirbheek Chauhan 2014-07-18 16:01:23 +05:30 committed by Sebastian Dröge
parent 95b01ed588
commit 3715d7ae80
1 changed files with 45 additions and 0 deletions
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45
gst-libs/gst/pbutils/encoding-profile.c
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@ -85,6 +85,51 @@
* </para>
* </refsect2>
* <refsect2>
* <title>Example: Using an encoder preset with a profile</title>
* <para>
* |[
* #include <gst/pbutils/encoding-profile.h>
* ...
* GstEncodingProfile *
* create_ogg_theora_profile(void)
*{
* GstEncodingVideoProfile *v;
* GstEncodingAudioProfile *a;
* GstEncodingContainerProfile *prof;
* GstCaps *caps;
* GstPreset *preset;
*
* caps = gst_caps_from_string ("application/ogg");
* prof = gst_encoding_container_profile_new ("Ogg audio/video",
* "Standard OGG/THEORA/VORBIS",
* caps, NULL);
* gst_caps_unref (caps);
*
* preset = GST_PRESET (gst_element_factory_make ("theoraenc", "theorapreset"));
* g_object_set (preset, "bitrate", 1000, NULL);
* // The preset will be saved on the filesystem,
* // so try to use a descriptive name
* gst_preset_save_preset (preset, "theora_bitrate_preset");
* gst_object_unref (preset);
*
* caps = gst_caps_from_string ("video/x-theora");
* v = gst_encoding_video_profile_new (caps, "theorapreset", NULL, 0);
* gst_encoding_container_profile_add_profile (prof, (GstEncodingProfile*) v);
* gst_caps_unref (caps);
*
* caps = gst_caps_from_string ("audio/x-vorbis");
* a = gst_encoding_audio_profile_new (caps, NULL, NULL, 0);
* gst_encoding_container_profile_add_profile (prof, (GstEncodingProfile*) a);
* gst_caps_unref (caps);
*
* return (GstEncodingProfile*) prof;
*}
*
*
* ]|
* </para>
* </refsect2>
* <refsect2>
* <title>Example: Listing categories, targets and profiles</title>
* <para>
* |[