gst: simplify modifier extraction
spa_pod_get_values() handles both single values and Choice values and turns the single value into a None choice. Check that we have a None or Enum choice because we don't handle anything else. See !1952
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@ -877,11 +877,13 @@ handle_dmabuf_prop (const struct spa_pod_prop *prop,
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const struct spa_pod *pod_modifier;
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struct spa_pod *val;
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uint32_t *id, n_fmts, n_mods, choice, i, j;
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uint64_t *mods, single_modifier;
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uint64_t *mods;
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val = spa_pod_get_values (&prop->value, &n_fmts, &choice);
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if (val->type != SPA_TYPE_Id)
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return;
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if (choice != SPA_CHOICE_None && choice != SPA_CHOICE_Enum)
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return;
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id = SPA_POD_BODY (val);
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if (n_fmts > 1) {
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@ -889,23 +891,16 @@ handle_dmabuf_prop (const struct spa_pod_prop *prop,
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id++;
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}
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pod_modifier = &prop_modifier->value;
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if (spa_pod_is_long (pod_modifier) &&
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spa_pod_get_long (pod_modifier, (int64_t *) &single_modifier)) {
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mods = &single_modifier;
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n_mods = 1;
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} else if (spa_pod_is_choice (pod_modifier) &&
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SPA_POD_CHOICE_TYPE (pod_modifier) == SPA_CHOICE_Enum &&
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SPA_POD_CHOICE_VALUE_TYPE (pod_modifier) == SPA_TYPE_Long) {
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mods = SPA_POD_CHOICE_VALUES (pod_modifier);
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n_mods = SPA_POD_CHOICE_N_VALUES (pod_modifier);
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if (n_mods > 1) {
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n_mods--;
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mods++;
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}
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} else {
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pod_modifier = spa_pod_get_values (&prop_modifier->value, &n_mods, &choice);
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if (pod_modifier->type != SPA_TYPE_Long)
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return;
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if (choice != SPA_CHOICE_None && choice != SPA_CHOICE_Enum)
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return;
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mods = SPA_POD_BODY (pod_modifier);
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if (n_mods > 1) {
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n_mods--;
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mods++;
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}
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fmt_array = g_ptr_array_new_with_free_func (g_free);
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