67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
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/* mimes.c
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*
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* Copyright 2021 Joshua Strobl
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <glib-2.0/glib.h>
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#include <gstreamer-1.0/gst/gst.h>
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#include "../koto-utils.h"
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GHashTable *supported_mimes_hash = NULL;
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GList *supported_mimes = NULL;
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gboolean koto_playback_engine_gst_caps_iter(GstCapsFeatures *features, GstStructure *structure, gpointer user_data) {
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(void) features; (void) user_data;
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gchar *caps_name = (gchar*) gst_structure_get_name(structure); // Get the name, typically a mimetype
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if (g_str_has_prefix(caps_name, "unknown")) { // Is unknown
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return TRUE;
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}
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if (g_hash_table_contains(supported_mimes_hash, caps_name)) { // Found in list already
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return TRUE;
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}
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g_hash_table_insert(supported_mimes_hash, g_strdup(caps_name), TRUE);
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supported_mimes = g_list_prepend(supported_mimes, g_strdup(caps_name));
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supported_mimes = g_list_prepend(supported_mimes, g_strdup(koto_utils_replace_string_all(caps_name, "x-", "")));
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return TRUE;
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}
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void koto_playback_engine_gst_pad_iter(gpointer list_data, gpointer user_data) {
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(void) user_data;
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GstStaticPadTemplate *templ = list_data;
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if (templ->direction == GST_PAD_SINK) { // Is a sink pad
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GstCaps *capabilities = gst_static_pad_template_get_caps(templ); // Get the capabilities
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gst_caps_foreach(capabilities, koto_playback_engine_gst_caps_iter, NULL); // Iterate over and add to mimes
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gst_caps_unref(capabilities);
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}
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}
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void koto_playback_engine_get_supported_mimetypes() {
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// Credit for code goes to https://github.com/mopidy/mopidy/issues/812#issuecomment-75868363
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// These are GstElementFactory
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GList *elements = gst_element_factory_list_get_elements(GST_ELEMENT_FACTORY_TYPE_DEPAYLOADER | GST_ELEMENT_FACTORY_TYPE_DEMUXER | GST_ELEMENT_FACTORY_TYPE_PARSER | GST_ELEMENT_FACTORY_TYPE_DECODER | GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO, GST_RANK_NONE);
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GList *ele;
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for (ele = elements; ele != NULL; ele = ele->next) { // For each of the elements
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// GList of GstStaticPadTemplate
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GList *static_pads = (GList*) gst_element_factory_get_static_pad_templates(ele->data); // Get the pads
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g_list_foreach(static_pads, koto_playback_engine_gst_pad_iter, NULL);
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}
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}
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