307 lines
7.9 KiB
C++
307 lines
7.9 KiB
C++
#include "APEv2Metadata.h"
|
|
#include "metadata/MetadataKeys.h"
|
|
#include "nu/ByteReader.h"
|
|
#include "nswasabi/ReferenceCounted.h"
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
static inline bool TestFlag(int flags, int flag_to_check)
|
|
{
|
|
if (flags & flag_to_check)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
api_metadata *APEv2Metadata::metadata_api=0;
|
|
|
|
APEv2Metadata::APEv2Metadata()
|
|
{
|
|
apev2_tag=0;
|
|
}
|
|
|
|
APEv2Metadata::~APEv2Metadata()
|
|
{
|
|
}
|
|
|
|
int APEv2Metadata::Initialize(api_metadata *metadata_api)
|
|
{
|
|
APEv2Metadata::metadata_api = metadata_api;
|
|
return NErr_Success;
|
|
}
|
|
|
|
int APEv2Metadata::Initialize(nsapev2_tag_t tag)
|
|
{
|
|
apev2_tag = tag;
|
|
return NErr_Success;
|
|
}
|
|
|
|
|
|
/* ifc_metadata implementation */
|
|
int APEv2Metadata::Metadata_GetField(int field, unsigned int index, nx_string_t *value)
|
|
{
|
|
if (!apev2_tag)
|
|
return NErr_Unknown;
|
|
|
|
switch (field)
|
|
{
|
|
case MetadataKeys::TRACK_GAIN:
|
|
return NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_TRACK_GAIN", index, value);
|
|
case MetadataKeys::TRACK_PEAK:
|
|
return NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_TRACK_PEAK", index, value);
|
|
case MetadataKeys::ALBUM_GAIN:
|
|
return NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_ALBUM_GAIN", index, value);
|
|
case MetadataKeys::ALBUM_PEAK:
|
|
return NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_ALBUM_PEAK", index, value);
|
|
}
|
|
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
int APEv2Metadata::Metadata_GetInteger(int field, unsigned int index, int64_t *value)
|
|
{
|
|
if (!apev2_tag)
|
|
return NErr_Unknown;
|
|
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
int APEv2Metadata::Metadata_GetReal(int field, unsigned int index, double *value)
|
|
{
|
|
if (!apev2_tag)
|
|
return NErr_Unknown;
|
|
|
|
int ret;
|
|
nx_string_t str;
|
|
switch (field)
|
|
{
|
|
case MetadataKeys::TRACK_GAIN:
|
|
ret = NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_TRACK_GAIN", index, &str);
|
|
if (ret == NErr_Success)
|
|
{
|
|
ret = NXStringGetDoubleValue(str, value);
|
|
NXStringRelease(str);
|
|
}
|
|
return ret;
|
|
case MetadataKeys::TRACK_PEAK:
|
|
ret = NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_TRACK_PEAK", index, &str);
|
|
if (ret == NErr_Success)
|
|
{
|
|
ret = NXStringGetDoubleValue(str, value);
|
|
NXStringRelease(str);
|
|
}
|
|
return ret;
|
|
case MetadataKeys::ALBUM_GAIN:
|
|
ret = NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_ALBUM_GAIN", index, &str);
|
|
if (ret == NErr_Success)
|
|
{
|
|
ret = NXStringGetDoubleValue(str, value);
|
|
NXStringRelease(str);
|
|
}
|
|
return ret;
|
|
case MetadataKeys::ALBUM_PEAK:
|
|
ret = NSAPEv2_Tag_GetString(apev2_tag, "REPLAYGAIN_ALBUM_PEAK", index, &str);
|
|
if (ret == NErr_Success)
|
|
{
|
|
ret = NXStringGetDoubleValue(str, value);
|
|
NXStringRelease(str);
|
|
}
|
|
return ret;
|
|
}
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#define strcasecmp _stricmp
|
|
#endif
|
|
|
|
static const char *APEv2_GetMIME(const char *extension)
|
|
{
|
|
if (!extension)
|
|
return 0;
|
|
|
|
if (strcasecmp(extension, "JPG") == 0 || strcasecmp(extension, "JPEG") == 0)
|
|
return "image/jpeg";
|
|
if (strcasecmp(extension, "PNG") == 0)
|
|
return "image/png";
|
|
if (strcasecmp(extension, "GIF") == 0)
|
|
return "image/gif";
|
|
if (strcasecmp(extension, "BMP") == 0)
|
|
return "image/bmp";
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int APEv2_ParseArt(const void *bytes, size_t length, artwork_t *out_data, data_flags_t flags)
|
|
{
|
|
if (out_data)
|
|
{
|
|
nx_data_t data=0;
|
|
if (flags != DATA_FLAG_NONE)
|
|
{
|
|
bytereader_s byte_reader;
|
|
bytereader_init(&byte_reader, bytes, length);
|
|
if (bytereader_size(&byte_reader) == 0)
|
|
return NErr_Insufficient;
|
|
|
|
const char *description_start = (const char *)bytereader_pointer(&byte_reader);
|
|
const char *extension_start=0;
|
|
uint8_t byte;
|
|
do
|
|
{
|
|
if (bytereader_size(&byte_reader) == 0)
|
|
return NErr_Insufficient;
|
|
byte = bytereader_read_u8(&byte_reader);
|
|
if (byte == '.') // found extension
|
|
{
|
|
extension_start = (const char *)bytereader_pointer(&byte_reader);
|
|
}
|
|
} while (byte && bytereader_size(&byte_reader));
|
|
|
|
size_t length = bytereader_size(&byte_reader);
|
|
|
|
if (length == 0)
|
|
return NErr_Empty;
|
|
|
|
if (TestFlag(flags, DATA_FLAG_DATA))
|
|
{
|
|
int ret = NXDataCreate(&data, bytereader_pointer(&byte_reader), length);
|
|
if (ret != NErr_Success)
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
int ret = NXDataCreateEmpty(&data);
|
|
if (ret != NErr_Success)
|
|
return ret;
|
|
}
|
|
|
|
if (TestFlag(flags, DATA_FLAG_DESCRIPTION))
|
|
{
|
|
ReferenceCountedNXString description;
|
|
size_t length;
|
|
if (extension_start)
|
|
length = (size_t)extension_start - (size_t)description_start - 1;
|
|
else
|
|
length = (size_t)bytereader_pointer(&byte_reader) - (size_t)description_start - 1;
|
|
|
|
if (length)
|
|
{
|
|
int ret = NXStringCreateWithBytes(&description, description_start, length, nx_charset_utf8);
|
|
if (ret != NErr_Success)
|
|
{
|
|
NXDataRelease(data);
|
|
return ret;
|
|
}
|
|
NXDataSetDescription(data, description);
|
|
}
|
|
}
|
|
|
|
if (TestFlag(flags, DATA_FLAG_MIME))
|
|
{
|
|
ReferenceCountedNXString mime_type;
|
|
const char *mime_string = APEv2_GetMIME(extension_start);
|
|
if (mime_string)
|
|
{
|
|
int ret = NXStringCreateWithUTF8(&mime_type, mime_string);
|
|
if (ret != NErr_Success)
|
|
{
|
|
NXDataRelease(data);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
out_data->data = data;
|
|
/* we don't know these */
|
|
out_data->height=0;
|
|
out_data->width=0;
|
|
}
|
|
return NErr_Success;
|
|
}
|
|
|
|
int APEv2Metadata::Metadata_GetArtwork(int field, unsigned int index, artwork_t *data, data_flags_t flags)
|
|
{
|
|
if (!apev2_tag)
|
|
return NErr_Unknown;
|
|
|
|
int ret;
|
|
const void *bytes;
|
|
size_t length;
|
|
switch(field)
|
|
{
|
|
case MetadataKeys::ALBUM:
|
|
ret = NSAPEv2_Tag_GetBinary(apev2_tag, "Cover Art (front)", index, &bytes, &length);
|
|
if (ret == NErr_Success)
|
|
return APEv2_ParseArt(bytes, length, data, flags);
|
|
return ret;
|
|
}
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
int APEv2Metadata::MetadataEditor_SetField(int field, unsigned int index, nx_string_t value)
|
|
{
|
|
switch (field)
|
|
{
|
|
case MetadataKeys::TRACK_GAIN:
|
|
return NSAPEv2_Tag_SetString(apev2_tag, "REPLAYGAIN_TRACK_GAIN", index, value);
|
|
case MetadataKeys::TRACK_PEAK:
|
|
return NSAPEv2_Tag_SetString(apev2_tag, "REPLAYGAIN_TRACK_PEAK", index, value);
|
|
case MetadataKeys::ALBUM_GAIN:
|
|
return NSAPEv2_Tag_SetString(apev2_tag, "REPLAYGAIN_ALBUM_GAIN", index, value);
|
|
case MetadataKeys::ALBUM_PEAK:
|
|
return NSAPEv2_Tag_SetString(apev2_tag, "REPLAYGAIN_ALBUM_PEAK", index, value);
|
|
}
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
int APEv2Metadata::MetadataEditor_SetInteger(int field, unsigned int index, int64_t value)
|
|
{
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
int APEv2Metadata::MetadataEditor_SetReal(int field, unsigned int index, double value)
|
|
{
|
|
// TODO: but we need NXStringCreateFromDouble which I don't feel like writing right now
|
|
return NErr_Unknown;
|
|
}
|
|
|
|
static void APEv2_GetFilenameForMIME(char *filename, const char *type, nx_string_t mime_type)
|
|
{
|
|
if (mime_type)
|
|
{
|
|
if (NXStringKeywordCompareWithCString(mime_type, "image/jpeg") == NErr_True || NXStringKeywordCompareWithCString(mime_type, "image/jpg") == NErr_True)
|
|
sprintf(filename, "%s.jpeg", type);
|
|
else if (NXStringKeywordCompareWithCString(mime_type, "image/png") == NErr_True)
|
|
sprintf(filename, "%s.png", type);
|
|
if (NXStringKeywordCompareWithCString(mime_type, "image/gif") == NErr_True)
|
|
sprintf(filename, "%s.gif", type);
|
|
if (NXStringKeywordCompareWithCString(mime_type, "image/bmp") == NErr_True)
|
|
sprintf(filename, "%s.bmp", type);
|
|
else
|
|
sprintf(filename, "%s.jpg", type); // TODO: perhaps we could use whatever is after image/
|
|
}
|
|
else
|
|
sprintf(filename, "%s.jpg", type); // ehh, just guess
|
|
}
|
|
|
|
int APEv2Metadata::MetadataEditor_SetArtwork(int field, unsigned int index, artwork_t *data, data_flags_t flags)
|
|
{
|
|
ReferenceCountedNXString mime_type;
|
|
const void *bytes = 0;
|
|
size_t length = 0;
|
|
switch(field)
|
|
{
|
|
case MetadataKeys::ALBUM:
|
|
if (data && NXDataGet(data->data, &bytes, &length) == NErr_Success)
|
|
{
|
|
char filename[256] = {0};
|
|
NXDataGetMIME(data->data, &mime_type);
|
|
APEv2_GetFilenameForMIME(filename, "cover", mime_type); /* TODO: perhaps use description, instead? */
|
|
return NSAPEv2_Tag_SetArtwork(apev2_tag, "Cover Art (front)", index, filename, bytes, length);
|
|
}
|
|
else
|
|
return NSAPEv2_Tag_SetArtwork(apev2_tag, "Cover Art (front)", index, 0, 0, 0);
|
|
}
|
|
return NErr_Unknown;
|
|
}
|