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decoder/wavpack: add WavpackOpen() wrappers which throw exception

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This commit is contained in:
Max Kellermann
2016-12-09 23:15:40 +01:00
parent 3759f29852
commit f40816e063
1 changed files with 34 additions and 36 deletions
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70
src/decoder/plugins/WavpackDecoderPlugin.cxx
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@@ -24,11 +24,10 @@
#include "CheckAudioFormat.hxx"
#include "tag/TagHandler.hxx"
#include "fs/Path.hxx"
#include "util/Domain.hxx"
#include "util/Macros.hxx"
#include "util/Alloc.hxx"
#include "util/ScopeExit.hxx"
#include "Log.hxx"
#include "util/RuntimeError.hxx"
#include <wavpack/wavpack.h>
@@ -39,8 +38,6 @@
#define ERRORLEN 80
static constexpr Domain wavpack_domain("wavpack");
#ifdef OPEN_DSD_AS_PCM
/* libWavPack supports DSD since version 5 */
#ifdef ENABLE_DSD
@@ -53,6 +50,33 @@ static constexpr int OPEN_DSD_FLAG = OPEN_DSD_AS_PCM;
static constexpr int OPEN_DSD_FLAG = 0;
#endif
static WavpackContext *
WavpackOpenInput(Path path, int flags, int norm_offset)
{
char error[ERRORLEN];
auto *wpc = WavpackOpenFileInput(path.c_str(), error,
flags, norm_offset);
if (wpc == nullptr)
throw FormatRuntimeError("failed to open WavPack file \"%s\": %s",
path.c_str(), error);
return wpc;
}
static WavpackContext *
WavpackOpenInput(WavpackStreamReader *reader, void *wv_id, void *wvc_id,
int flags, int norm_offset)
{
char error[ERRORLEN];
auto *wpc = WavpackOpenFileInputEx(reader, wv_id, wvc_id, error,
flags, norm_offset);
if (wpc == nullptr)
throw FormatRuntimeError("failed to open WavPack stream: %s",
error);
return wpc;
}
gcc_pure
static SignedSongTime
GetDuration(WavpackContext *wpc)
@@ -428,17 +452,8 @@ wavpack_streamdecode(DecoderClient &client, InputStream &is)
WavpackInput isp(client, is);
char error[ERRORLEN];
WavpackContext *wpc =
WavpackOpenFileInputEx(&mpd_is_reader, &isp, wvc.get(),
error, open_flags, 0);
if (wpc == nullptr) {
FormatError(wavpack_domain,
"failed to open WavPack stream: %s", error);
return;
}
auto *wpc = WavpackOpenInput(&mpd_is_reader, &isp, wvc.get(),
open_flags, 0);
AtScopeExit(wpc) {
WavpackCloseFile(wpc);
};
@@ -452,17 +467,9 @@ wavpack_streamdecode(DecoderClient &client, InputStream &is)
static void
wavpack_filedecode(DecoderClient &client, Path path_fs)
{
char error[ERRORLEN];
WavpackContext *wpc = WavpackOpenFileInput(path_fs.c_str(), error,
OPEN_DSD_FLAG | OPEN_NORMALIZE | OPEN_WVC,
0);
if (wpc == nullptr) {
FormatWarning(wavpack_domain,
"failed to open WavPack file \"%s\": %s",
path_fs.c_str(), error);
return;
}
auto *wpc = WavpackOpenInput(path_fs,
OPEN_DSD_FLAG | OPEN_NORMALIZE | OPEN_WVC,
0);
AtScopeExit(wpc) {
WavpackCloseFile(wpc);
};
@@ -477,16 +484,7 @@ static bool
wavpack_scan_file(Path path_fs,
const TagHandler &handler, void *handler_ctx)
{
char error[ERRORLEN];
WavpackContext *wpc = WavpackOpenFileInput(path_fs.c_str(), error,
OPEN_DSD_FLAG, 0);
if (wpc == nullptr) {
FormatError(wavpack_domain,
"failed to open WavPack file \"%s\": %s",
path_fs.c_str(), error);
return false;
}
auto *wpc = WavpackOpenInput(path_fs, OPEN_DSD_FLAG, 0);
AtScopeExit(wpc) {
WavpackCloseFile(wpc);
};