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🎥 Command line media player
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081#include "common/common.h"
#include "node.h"
// Init a node with the given format. If parent is not NULL, it is set as// parent allocation according to m_option_type_node rules (which means// the mpv_node_list allocs are used for chaining the TA allocations).// format == MPV_FORMAT_NONE will simply initialize it with all-0.void node_init(struct mpv_node *dst, int format, struct mpv_node *parent){ // Other formats need to be initialized manually. assert(format == MPV_FORMAT_NODE_MAP || format == MPV_FORMAT_NODE_ARRAY || format == MPV_FORMAT_FLAG || format == MPV_FORMAT_INT64 || format == MPV_FORMAT_DOUBLE || format == MPV_FORMAT_NONE);
void *ta_parent = NULL; if (parent) { assert(parent->format == MPV_FORMAT_NODE_MAP || parent->format == MPV_FORMAT_NODE_ARRAY); ta_parent = parent->u.list; }
*dst = (struct mpv_node){ .format = format }; if (format == MPV_FORMAT_NODE_MAP || format == MPV_FORMAT_NODE_ARRAY) dst->u.list = talloc_zero(ta_parent, struct mpv_node_list);}
// Add an entry to a MPV_FORMAT_NODE_ARRAY.// m_option_type_node memory management rules apply.struct mpv_node *node_array_add(struct mpv_node *dst, int format){ struct mpv_node_list *list = dst->u.list; assert(dst->format == MPV_FORMAT_NODE_ARRAY && dst->u.list); MP_TARRAY_GROW(list, list->values, list->num); node_init(&list->values[list->num], format, dst); return &list->values[list->num++];}
// Add an entry to a MPV_FORMAT_NODE_MAP. Keep in mind that this does// not check for already existing entries under the same key.// m_option_type_node memory management rules apply.struct mpv_node *node_map_add(struct mpv_node *dst, const char *key, int format){ assert(key);
struct mpv_node_list *list = dst->u.list; assert(dst->format == MPV_FORMAT_NODE_MAP && dst->u.list); MP_TARRAY_GROW(list, list->values, list->num); MP_TARRAY_GROW(list, list->keys, list->num); list->keys[list->num] = talloc_strdup(list, key); node_init(&list->values[list->num], format, dst); return &list->values[list->num++];}
// Add a string entry to a MPV_FORMAT_NODE_MAP. Keep in mind that this does// not check for already existing entries under the same key.// m_option_type_node memory management rules apply.void node_map_add_string(struct mpv_node *dst, const char *key, const char *val){ assert(val);
struct mpv_node *entry = node_map_add(dst, key, MPV_FORMAT_NONE); entry->format = MPV_FORMAT_STRING; entry->u.string = talloc_strdup(dst->u.list, val);}
void node_map_add_int64(struct mpv_node *dst, const char *key, int64_t v){ node_map_add(dst, key, MPV_FORMAT_INT64)->u.int64 = v;}
void node_map_add_double(struct mpv_node *dst, const char *key, double v){ node_map_add(dst, key, MPV_FORMAT_DOUBLE)->u.double_ = v;}
void node_map_add_flag(struct mpv_node *dst, const char *key, bool v){ node_map_add(dst, key, MPV_FORMAT_FLAG)->u.flag = v;}