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decoder/wavpack: wavpack_open_wvc() returns InputStreamPtr 

Let std::unique_ptr manage both the InputStream and the WavpackInput.
This commit is contained in:
Max Kellermann 2016-09-09 16:03:34 +02:00
parent fe9bafa741
commit 38d587aaeb
1 changed files with 8 additions and 16 deletions
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24
src/decoder/plugins/WavpackDecoderPlugin.cxx
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@ -475,7 +475,7 @@ static WavpackStreamReader mpd_is_reader = {
nullptr /* no need to write edited tags */ nullptr /* no need to write edited tags */
}; };
static WavpackInput * static InputStreamPtr
wavpack_open_wvc(Decoder &decoder, const char *uri) wavpack_open_wvc(Decoder &decoder, const char *uri)
{ {
/* /*
@ -490,11 +490,7 @@ wavpack_open_wvc(Decoder &decoder, const char *uri)
free(wvc_url); free(wvc_url);
}; };
auto is_wvc = decoder_open_uri(decoder, uri, IgnoreError()); return decoder_open_uri(decoder, uri, IgnoreError());
if (is_wvc == nullptr)
return nullptr;
return new WavpackInput(decoder, *is_wvc.release());
} }
/* /*
@ -506,18 +502,14 @@ wavpack_streamdecode(Decoder &decoder, InputStream &is)
int open_flags = OPEN_NORMALIZE; int open_flags = OPEN_NORMALIZE;
bool can_seek = is.IsSeekable(); bool can_seek = is.IsSeekable();
WavpackInput *wvc = wavpack_open_wvc(decoder, is.GetURI()); std::unique_ptr<WavpackInput> wvc;
if (wvc != nullptr) { auto is_wvc = wavpack_open_wvc(decoder, is.GetURI());
if (is_wvc) {
open_flags |= OPEN_WVC; open_flags |= OPEN_WVC;
can_seek &= wvc->is.IsSeekable(); can_seek &= wvc->is.IsSeekable();
}
AtScopeExit(wvc) { wvc.reset(new WavpackInput(decoder, *is_wvc));
if (wvc != nullptr) { }
delete &wvc->is;
delete wvc;
}
};
if (!can_seek) { if (!can_seek) {
open_flags |= OPEN_STREAMING; open_flags |= OPEN_STREAMING;
@ -527,7 +519,7 @@ wavpack_streamdecode(Decoder &decoder, InputStream &is)
char error[ERRORLEN]; char error[ERRORLEN];
WavpackContext *wpc = WavpackContext *wpc =
WavpackOpenFileInputEx(&mpd_is_reader, &isp, wvc, WavpackOpenFileInputEx(&mpd_is_reader, &isp, wvc.get(),
error, open_flags, 23); error, open_flags, 23);
if (wpc == nullptr) { if (wpc == nullptr) {