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https://github.com/mpv-player/mpv.git
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f08ec22567
Even if the demuxer cache does not multiple ranges yet. This is to reduce the pain should caching of multiple ranges ever be implemented. Also change it from the sub properties stuff to return a mpv_node directly, which is less roundabout. Sub-property access won't work anymore, though. Remove the seekable-start/-end fields as well, as they're redundant with the ranges. All this would normally be considered an API change, but since it's been only a few days with no known users, change it immediately. This adds some node.c helpers as well, as the code would be too damn fugly otherwise.
81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
#include "common/common.h"
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#include "node.h"
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// Init a node with the given format. If parent is not NULL, it is set as
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// parent allocation according to m_option_type_node rules (which means
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// the mpv_node_list allocs are used for chaining the TA allocations).
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// format == MPV_FORMAT_NONE will simply initialize it with all-0.
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void node_init(struct mpv_node *dst, int format, struct mpv_node *parent)
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{
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// Other formats need to be initialized manually.
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assert(format == MPV_FORMAT_NODE_MAP || format == MPV_FORMAT_NODE_ARRAY ||
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format == MPV_FORMAT_FLAG || format == MPV_FORMAT_INT64 ||
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format == MPV_FORMAT_DOUBLE || format == MPV_FORMAT_NONE);
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void *ta_parent = NULL;
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if (parent) {
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assert(parent->format == MPV_FORMAT_NODE_MAP ||
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parent->format == MPV_FORMAT_NODE_ARRAY);
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ta_parent = parent->u.list;
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}
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*dst = (struct mpv_node){ .format = format };
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if (format == MPV_FORMAT_NODE_MAP || format == MPV_FORMAT_NODE_ARRAY)
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dst->u.list = talloc_zero(ta_parent, struct mpv_node_list);
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}
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// Add an entry to a MPV_FORMAT_NODE_ARRAY.
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// m_option_type_node memory management rules apply.
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struct mpv_node *node_array_add(struct mpv_node *dst, int format)
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{
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struct mpv_node_list *list = dst->u.list;
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assert(dst->format == MPV_FORMAT_NODE_ARRAY && dst->u.list);
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MP_TARRAY_GROW(list, list->values, list->num);
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node_init(&list->values[list->num], format, dst);
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return &list->values[list->num++];
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}
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// Add an entry to a MPV_FORMAT_NODE_MAP. Keep in mind that this does
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// not check for already existing entries under the same key.
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// m_option_type_node memory management rules apply.
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struct mpv_node *node_map_add(struct mpv_node *dst, const char *key, int format)
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{
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assert(key);
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struct mpv_node_list *list = dst->u.list;
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assert(dst->format == MPV_FORMAT_NODE_MAP && dst->u.list);
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MP_TARRAY_GROW(list, list->values, list->num);
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MP_TARRAY_GROW(list, list->keys, list->num);
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list->keys[list->num] = talloc_strdup(list, key);
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node_init(&list->values[list->num], format, dst);
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return &list->values[list->num++];
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}
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// Add a string entry to a MPV_FORMAT_NODE_MAP. Keep in mind that this does
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// not check for already existing entries under the same key.
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// m_option_type_node memory management rules apply.
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void node_map_add_string(struct mpv_node *dst, const char *key, const char *val)
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{
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assert(val);
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struct mpv_node *entry = node_map_add(dst, key, MPV_FORMAT_NONE);
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entry->format = MPV_FORMAT_STRING;
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entry->u.string = talloc_strdup(dst->u.list, val);
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}
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void node_map_add_int64(struct mpv_node *dst, const char *key, int64_t v)
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{
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node_map_add(dst, key, MPV_FORMAT_INT64)->u.int64 = v;
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}
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void node_map_add_double(struct mpv_node *dst, const char *key, double v)
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{
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node_map_add(dst, key, MPV_FORMAT_DOUBLE)->u.double_ = v;
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}
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void node_map_add_flag(struct mpv_node *dst, const char *key, bool v)
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{
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node_map_add(dst, key, MPV_FORMAT_FLAG)->u.flag = v;
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}
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