winamp/Src/Plugins/Input/in_avi/ExtendedFileInfo.cpp

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2024-09-24 13:54:57 +01:00
#include <bfc/platform/types.h>
#include <windows.h>
#include "api__in_avi.h"
#include "win32_avi_reader.h"
#include "../nsavi/metadata.h"
#include "../nu/ns_wc.h"
#include <strsafe.h>
#include "resource.h"
static void ReadMetadata(nsavi::Metadata &metadata, uint32_t id, wchar_t *dest, size_t destlen)
{
nsavi::Info *info=0;
const char *str = 0;
if (metadata.GetInfo(&info) == nsavi::READ_OK && (str = info->GetMetadata(id)))
{
MultiByteToWideCharSZ(CP_ACP/*UTF8*/, 0, str, -1, dest, (int)destlen);
}
else
dest[0]=0;
}
extern "C" __declspec(dllexport)
int winampGetExtendedFileInfoW(const wchar_t *fn, const char *data, wchar_t *dest, size_t destlen)
{
if (!_stricmp(data, "type"))
{
dest[0]='1';
dest[1]=0;
return 1;
}
else if (!_stricmp(data, "family"))
{
int len;
const wchar_t *p;
if (!fn || !fn[0]) return 0;
len = lstrlenW(fn);
if (len < 4 || L'.' != fn[len - 4]) return 0;
p = &fn[len - 3];
if (!_wcsicmp(p, L"AVI") && S_OK == StringCchCopyW(dest, destlen, WASABI_API_LNGSTRINGW(IDS_FAMILY_STRING))) return 1;
return 0;
}
else
{
AVIReaderWin32 reader;
if (reader.Open(fn) == nsavi::READ_OK)
{
nsavi::Metadata metadata(&reader);
uint32_t riff_type;
metadata.GetRIFFType(&riff_type); // need to call this to get the party started
// TODO: cache metadata object
if (!_stricmp(data, "length"))
{
int time_ms;
if (metadata.GetDuration(&time_ms) == nsavi::READ_OK)
StringCchPrintf(dest, destlen, L"%d", time_ms);
else
dest[0]=0;
}
else if (!_stricmp(data, "height"))
{
nsavi::HeaderList header_list;
if (metadata.GetHeaderList(&header_list) == nsavi::READ_OK && header_list.avi_header && header_list.avi_header->height)
StringCchPrintf(dest, destlen, L"%d", header_list.avi_header->height);
else
dest[0]=0;
}
else if (!_stricmp(data, "width"))
{
nsavi::HeaderList header_list;
if (metadata.GetHeaderList(&header_list) == nsavi::READ_OK && header_list.avi_header && header_list.avi_header->width)
StringCchPrintf(dest, destlen, L"%d", header_list.avi_header->width);
else
dest[0]=0;
}
else if (!_stricmp(data, "bitrate"))
{
int time_ms = 0;
uint64_t file_length = 0;
if (metadata.GetDuration(&time_ms) == nsavi::READ_OK
&& (file_length = reader.GetContentLength())
&& time_ms > 0 && file_length > 0)
{
uint64_t bitrate = 8ULL * file_length / (uint64_t)time_ms;
StringCchPrintf(dest, destlen, L"%I64u", bitrate);
}
else
dest[0]=0;
}
else if (!_stricmp(data, "artist"))
{
ReadMetadata(metadata, nsaviFOURCC('I','A','R','T'), dest, destlen);
}
else if (!_stricmp(data, "publisher"))
{
ReadMetadata(metadata, nsaviFOURCC('I','P','U','B'), dest, destlen);
}
else if (!_stricmp(data, "album"))
{
ReadMetadata(metadata, nsaviFOURCC('I','A','L','B'), dest, destlen);
}
else if (!_stricmp(data, "composer"))
{
ReadMetadata(metadata, nsaviFOURCC('I','C','O','M'), dest, destlen);
}
else if (!_stricmp(data, "genre"))
{
ReadMetadata(metadata, nsaviFOURCC('I','G','N','R'), dest, destlen);
}
else if (!_stricmp(data, "comment"))
{
ReadMetadata(metadata, nsaviFOURCC('I','C','M','T'), dest, destlen);
}
else if (!_stricmp(data, "title"))
{
ReadMetadata(metadata, nsaviFOURCC('I','N','A','M'), dest, destlen);
}
else if (!_stricmp(data, "tool"))
{
ReadMetadata(metadata, nsaviFOURCC('I','S','F','T'), dest, destlen);
}
else if (!_stricmp(data, "copyright"))
{
ReadMetadata(metadata, nsaviFOURCC('I','C','O','P'), dest, destlen);
}
else
{
reader.Close();
return 0;
}
reader.Close();
return 1;
}
}
return 0;
}