status_t
AddOnManager::GetDecoderForFormat(xfer_entry_ref* _decoderRef,
const media_format& format)
{
if ((format.type == B_MEDIA_ENCODED_VIDEO
|| format.type == B_MEDIA_ENCODED_AUDIO
|| format.type == B_MEDIA_MULTISTREAM)
&& format.Encoding() == 0) {
return B_MEDIA_BAD_FORMAT;
}
if (format.type == B_MEDIA_NO_TYPE || format.type == B_MEDIA_UNKNOWN_TYPE)
return B_MEDIA_BAD_FORMAT;
BAutolock locker(fLock);
printf("AddOnManager::GetDecoderForFormat: searching decoder for encoding "
"%" B_PRIu32 "\n", format.Encoding());
// Since the list of decoders is unsorted, we need to search for
// a decoder by add-on directory, in order to maintain the shadowing
// of system add-ons by user add-ons, in case they offer decoders
// for the same format.
BPath path;
for (uint i = 0; i < sizeof(sDirectories) / sizeof(directory_which); i++) {
if (find_directory(sDirectories[i], &path) != B_OK
|| path.Append("media/plugins") != B_OK) {
printf("AddOnManager::GetDecoderForFormat: failed to construct "
"path for directory %u\n", i);
continue;
}
if (_FindDecoder(format, path, _decoderRef))
return B_OK;
}
return B_ENTRY_NOT_FOUND;
}
status_t
AddOnManager::GetDecoderForFormat(entry_ref* _decoderRef,
const media_format& format)
{
if ((format.type == B_MEDIA_ENCODED_VIDEO
|| format.type == B_MEDIA_ENCODED_AUDIO
|| format.type == B_MEDIA_MULTISTREAM)
&& format.Encoding() == 0) {
return B_MEDIA_BAD_FORMAT;
}
if (format.type == B_MEDIA_NO_TYPE || format.type == B_MEDIA_UNKNOWN_TYPE)
return B_MEDIA_BAD_FORMAT;
BAutolock locker(fLock);
RegisterAddOns();
// Since the list of decoders is unsorted, we need to search for
// a decoder by add-on directory, in order to maintain the shadowing
// of system add-ons by user add-ons, in case they offer decoders
// for the same format.
char** directories = NULL;
size_t directoryCount = 0;
if (find_paths_etc(get_architecture(), B_FIND_PATH_ADD_ONS_DIRECTORY,
"media/plugins", B_FIND_PATH_EXISTING_ONLY, &directories,
&directoryCount) != B_OK) {
printf("AddOnManager::GetDecoderForFormat: failed to locate plugins\n");
return B_ENTRY_NOT_FOUND;
}
MemoryDeleter directoriesDeleter(directories);
BPath path;
for (uint i = 0; i < directoryCount; i++) {
path.SetTo(directories[i]);
if (_FindDecoder(format, path, _decoderRef))
return B_OK;
}
return B_ENTRY_NOT_FOUND;
}