public void Add(string key, string value, DictFlags flags = DefaultFlags)
{
unsafe
{
ffmpeg.av_dict_set(ppDictionary, key, value, (int)flags).ThrowExceptionIfError();
}
}
public int Add(string key, string value, DictFlags flags)
{
fixed(AVDictionary **pp = &pDictionary)
{
return(ffmpeg.av_dict_set(pp, key, value, (int)flags).ThrowIfError());
}
}
public string[] GetValue(string key, DictFlags flags)
{
List <string> output = new List <string>();
AVDictionaryEntry *t = null;
while ((t = ffmpeg.av_dict_get(*ppDictionary, key, t, (int)flags)) != null)
{
output.Add((*t).ToKeyValuePair().Value);
}
return(output.ToArray());
}
public bool Remove(string key, DictFlags flags = DictFlags.AV_DICT_MATCH_CASE)
{
int count = 0;
AVDictionaryEntry *t = null;
while ((t = ffmpeg.av_dict_get(*ppDictionary, key, t, (int)flags)) != null)
{
Add(key, null, 0);
count++;
}
return(count != 0);
}
public bool TryGetValues(string key, DictFlags flags, out string[] values)
{
var list = new List <string>();
AVDictionaryEntry *prev = null;
while ((prev = (AVDictionaryEntry *)DictGet(this, key, (IntPtr)prev, flags)) != null)
{
list.Add(((IntPtr)prev->value).PtrToStringUTF8());
}
values = list.ToArray();
return(values.Length > 0);
}
public void Set(string key, string value, DictFlags flags = DictFlags.DontOverwrite)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value)); // in AVDictionary, value is also not-null.
}
AVDictionary *ptr = this;
av_dict_set(&ptr, key, value, (int)flags).ThrowIfError();
_handle = ptr;
}
public IEnumerable <KeyValuePair <string, string> > GetEnumerable(string key, DictFlags flags)
{
IntPtr prev = IntPtr.Zero;
while ((prev = DictGet(this, key, prev, flags)) != IntPtr.Zero)
{
yield return(GetEntry(prev));
}
}
private static IntPtr DictGet(MediaDictionary dict, string key, IntPtr prev, DictFlags flags)
{
return((IntPtr)ffmpeg.av_dict_get(dict.pDictionary, key, (AVDictionaryEntry *)prev, (int)flags));
}
public bool ContainsKey(string key, DictFlags flags)
{
return(DictGet(this, key, IntPtr.Zero, flags) != IntPtr.Zero);
}
public void Add(string key, long value, DictFlags flags = DefaultFlags)
{
ffmpeg.av_dict_set_int(ppDictionary, key, value, (int)flags).ThrowIfError();
}
