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decoder/wavpack: add noexcept

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This commit is contained in:
Max Kellermann 2022-07-11 21:56:48 +02:00
parent 6d02edebc9
commit b4f751080d
1 changed files with 22 additions and 20 deletions
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42
src/decoder/plugins/WavpackDecoderPlugin.cxx
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@ -92,7 +92,7 @@ GetDuration(WavpackContext *wpc) noexcept
*/ */
template<typename T> template<typename T>
static void static void
format_samples_int(void *buffer, uint32_t count) format_samples_int(void *buffer, uint32_t count) noexcept
{ {
auto *src = (int32_t *)buffer; auto *src = (int32_t *)buffer;
T *dst = (T *)buffer; T *dst = (T *)buffer;
@ -112,7 +112,8 @@ format_samples_int(void *buffer, uint32_t count)
* No conversion necessary. * No conversion necessary.
*/ */
static void static void
format_samples_nop([[maybe_unused]] void *buffer, [[maybe_unused]] uint32_t count) format_samples_nop([[maybe_unused]] void *buffer,
[[maybe_unused]] uint32_t count) noexcept
{ {
/* do nothing */ /* do nothing */
} }
@ -125,7 +126,7 @@ wavpack_bits_to_sample_format(bool is_float,
#ifdef ENABLE_DSD #ifdef ENABLE_DSD
bool is_dsd, bool is_dsd,
#endif #endif
int bytes_per_sample) int bytes_per_sample) noexcept
{ {
if (is_float) if (is_float)
return SampleFormat::FLOAT; return SampleFormat::FLOAT;
@ -246,16 +247,17 @@ struct WavpackInput {
/* Needed for push_back_byte() */ /* Needed for push_back_byte() */
int last_byte; int last_byte;
constexpr WavpackInput(DecoderClient *_client, InputStream &_is) constexpr WavpackInput(DecoderClient *_client,
InputStream &_is) noexcept
:client(_client), is(_is), last_byte(EOF) {} :client(_client), is(_is), last_byte(EOF) {}
int32_t ReadBytes(void *data, size_t bcount); int32_t ReadBytes(void *data, size_t bcount) noexcept;
[[nodiscard]] InputStream::offset_type GetPos() const { [[nodiscard]] InputStream::offset_type GetPos() const noexcept {
return is.GetOffset(); return is.GetOffset();
} }
int SetPosAbs(InputStream::offset_type pos) { int SetPosAbs(InputStream::offset_type pos) noexcept {
try { try {
is.LockSeek(pos); is.LockSeek(pos);
return 0; return 0;
@ -264,7 +266,7 @@ struct WavpackInput {
} }
} }
int SetPosRel(InputStream::offset_type delta, int mode) { int SetPosRel(InputStream::offset_type delta, int mode) noexcept {
offset_type offset = delta; offset_type offset = delta;
switch (mode) { switch (mode) {
case SEEK_SET: case SEEK_SET:
@ -288,7 +290,7 @@ struct WavpackInput {
return SetPosAbs(offset); return SetPosAbs(offset);
} }
int PushBackByte(int c) { int PushBackByte(int c) noexcept {
if (last_byte == EOF) { if (last_byte == EOF) {
last_byte = c; last_byte = c;
return c; return c;
@ -297,14 +299,14 @@ struct WavpackInput {
} }
} }
[[nodiscard]] InputStream::offset_type GetLength() const { [[nodiscard]] InputStream::offset_type GetLength() const noexcept {
if (!is.KnownSize()) if (!is.KnownSize())
return 0; return 0;
return is.GetSize(); return is.GetSize();
} }
[[nodiscard]] bool CanSeek() const { [[nodiscard]] bool CanSeek() const noexcept {
return is.IsSeekable(); return is.IsSeekable();
} }
}; };
@ -313,20 +315,20 @@ struct WavpackInput {
* Little wrapper for struct WavpackInput to cast from void *. * Little wrapper for struct WavpackInput to cast from void *.
*/ */
static WavpackInput * static WavpackInput *
wpin(void *id) wpin(void *id) noexcept
{ {
assert(id); assert(id);
return (WavpackInput *)id; return (WavpackInput *)id;
} }
static int32_t static int32_t
wavpack_input_read_bytes(void *id, void *data, int32_t bcount) wavpack_input_read_bytes(void *id, void *data, int32_t bcount) noexcept
{ {
return wpin(id)->ReadBytes(data, bcount); return wpin(id)->ReadBytes(data, bcount);
} }
int32_t int32_t
WavpackInput::ReadBytes(void *data, size_t bcount) WavpackInput::ReadBytes(void *data, size_t bcount) noexcept
{ {
auto *buf = (uint8_t *)data; auto *buf = (uint8_t *)data;
int32_t i = 0; int32_t i = 0;
@ -356,42 +358,42 @@ WavpackInput::ReadBytes(void *data, size_t bcount)
} }
static int64_t static int64_t
wavpack_input_get_pos(void *id) wavpack_input_get_pos(void *id) noexcept
{ {
const auto &wpi = *wpin(id); const auto &wpi = *wpin(id);
return wpi.GetPos(); return wpi.GetPos();
} }
static int static int
wavpack_input_set_pos_abs(void *id, int64_t pos) wavpack_input_set_pos_abs(void *id, int64_t pos) noexcept
{ {
auto &wpi = *wpin(id); auto &wpi = *wpin(id);
return wpi.SetPosAbs(pos); return wpi.SetPosAbs(pos);
} }
static int static int
wavpack_input_set_pos_rel(void *id, int64_t delta, int mode) wavpack_input_set_pos_rel(void *id, int64_t delta, int mode) noexcept
{ {
auto &wpi = *wpin(id); auto &wpi = *wpin(id);
return wpi.SetPosRel(delta, mode); return wpi.SetPosRel(delta, mode);
} }
static int static int
wavpack_input_push_back_byte(void *id, int c) wavpack_input_push_back_byte(void *id, int c) noexcept
{ {
auto &wpi = *wpin(id); auto &wpi = *wpin(id);
return wpi.PushBackByte(c); return wpi.PushBackByte(c);
} }
static int64_t static int64_t
wavpack_input_get_length(void *id) wavpack_input_get_length(void *id) noexcept
{ {
const auto &wpi = *wpin(id); const auto &wpi = *wpin(id);
return wpi.GetLength(); return wpi.GetLength();
} }
static int static int
wavpack_input_can_seek(void *id) wavpack_input_can_seek(void *id) noexcept
{ {
const auto &wpi = *wpin(id); const auto &wpi = *wpin(id);
return wpi.CanSeek(); return wpi.CanSeek();