decoder/mad: add noexcept
This commit is contained in:
Max Kellermann
parent
f7ed7446ae
commit
779a6855ff
@ -76,7 +76,7 @@ ToSongTime(mad_timer_t t) noexcept
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}
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static inline int32_t
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mad_fixed_to_24_sample(mad_fixed_t sample)
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mad_fixed_to_24_sample(mad_fixed_t sample) noexcept
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{
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static constexpr unsigned bits = 24;
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@ -137,14 +137,14 @@ struct MadDecoder {
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InputStream &input_stream;
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enum mad_layer layer = mad_layer(0);
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MadDecoder(DecoderClient *client, InputStream &input_stream);
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~MadDecoder();
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MadDecoder(DecoderClient *client, InputStream &input_stream) noexcept;
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~MadDecoder() noexcept;
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bool Seek(long offset);
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bool FillBuffer();
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void ParseId3(size_t tagsize, Tag *tag);
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MadDecoderAction DecodeNextFrameHeader(Tag *tag);
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MadDecoderAction DecodeNextFrame();
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bool Seek(long offset) noexcept;
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bool FillBuffer() noexcept;
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void ParseId3(size_t tagsize, Tag *tag) noexcept;
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MadDecoderAction DecodeNextFrameHeader(Tag *tag) noexcept;
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MadDecoderAction DecodeNextFrame() noexcept;
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gcc_pure
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offset_type ThisFrameOffset() const noexcept;
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@ -155,11 +155,11 @@ struct MadDecoder {
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/**
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* Attempt to calulcate the length of the song from filesize
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*/
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void FileSizeToSongLength();
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void FileSizeToSongLength() noexcept;
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bool DecodeFirstFrame(Tag *tag);
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bool DecodeFirstFrame(Tag *tag) noexcept;
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void AllocateBuffers() {
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void AllocateBuffers() noexcept {
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assert(max_frames > 0);
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assert(frame_offsets == nullptr);
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assert(times == nullptr);
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@ -171,25 +171,25 @@ struct MadDecoder {
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gcc_pure
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long TimeToFrame(SongTime t) const noexcept;
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void UpdateTimerNextFrame();
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void UpdateTimerNextFrame() noexcept;
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/**
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* Sends the synthesized current frame via
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* DecoderClient::SubmitData().
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*/
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DecoderCommand SendPCM(unsigned i, unsigned pcm_length);
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DecoderCommand SendPCM(unsigned i, unsigned pcm_length) noexcept;
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/**
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* Synthesize the current frame and send it via
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* DecoderClient::SubmitData().
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*/
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DecoderCommand SyncAndSend();
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DecoderCommand SyncAndSend() noexcept;
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bool Read();
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bool Read() noexcept;
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};
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MadDecoder::MadDecoder(DecoderClient *_client,
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InputStream &_input_stream)
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InputStream &_input_stream) noexcept
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:client(_client), input_stream(_input_stream)
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{
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mad_stream_init(&stream);
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@ -200,7 +200,7 @@ MadDecoder::MadDecoder(DecoderClient *_client,
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}
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inline bool
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MadDecoder::Seek(long offset)
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MadDecoder::Seek(long offset) noexcept
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{
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try {
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input_stream.LockSeek(offset);
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@ -215,7 +215,7 @@ MadDecoder::Seek(long offset)
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}
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inline bool
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MadDecoder::FillBuffer()
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MadDecoder::FillBuffer() noexcept
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{
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/* amount of rest data still residing in the buffer */
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size_t rest_size = 0;
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@ -277,7 +277,7 @@ parse_id3_mixramp(struct id3_tag *tag) noexcept
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#endif
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inline void
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MadDecoder::ParseId3(size_t tagsize, Tag *mpd_tag)
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MadDecoder::ParseId3(size_t tagsize, Tag *mpd_tag) noexcept
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{
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#ifdef ENABLE_ID3TAG
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std::unique_ptr<id3_byte_t[]> allocated;
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@ -345,7 +345,7 @@ MadDecoder::ParseId3(size_t tagsize, Tag *mpd_tag)
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* of the ID3 frame.
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*/
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static signed long
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id3_tag_query(const void *p0, size_t length)
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id3_tag_query(const void *p0, size_t length) noexcept
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{
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const char *p = (const char *)p0;
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@ -356,7 +356,7 @@ id3_tag_query(const void *p0, size_t length)
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#endif /* !ENABLE_ID3TAG */
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static MadDecoderAction
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RecoverFrameError(struct mad_stream &stream)
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RecoverFrameError(struct mad_stream &stream) noexcept
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{
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if (MAD_RECOVERABLE(stream.error))
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return MadDecoderAction::SKIP;
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@ -370,7 +370,7 @@ RecoverFrameError(struct mad_stream &stream)
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}
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MadDecoderAction
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MadDecoder::DecodeNextFrameHeader(Tag *tag)
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MadDecoder::DecodeNextFrameHeader(Tag *tag) noexcept
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{
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if ((stream.buffer == nullptr || stream.error == MAD_ERROR_BUFLEN) &&
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!FillBuffer())
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@ -408,7 +408,7 @@ MadDecoder::DecodeNextFrameHeader(Tag *tag)
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}
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MadDecoderAction
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MadDecoder::DecodeNextFrame()
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MadDecoder::DecodeNextFrame() noexcept
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{
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if ((stream.buffer == nullptr || stream.error == MAD_ERROR_BUFLEN) &&
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!FillBuffer())
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@ -467,7 +467,7 @@ struct lame {
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};
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static bool
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parse_xing(struct xing *xing, struct mad_bitptr *ptr, int *oldbitlen)
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parse_xing(struct xing *xing, struct mad_bitptr *ptr, int *oldbitlen) noexcept
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{
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int bitlen = *oldbitlen;
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@ -547,7 +547,7 @@ parse_xing(struct xing *xing, struct mad_bitptr *ptr, int *oldbitlen)
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}
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static bool
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parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen)
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parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen) noexcept
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{
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/* Unlike the xing header, the lame tag has a fixed length. Fail if
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* not all 36 bytes (288 bits) are there. */
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@ -638,7 +638,7 @@ parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen)
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}
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static inline SongTime
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mad_frame_duration(const struct mad_frame *frame)
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mad_frame_duration(const struct mad_frame *frame) noexcept
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{
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return ToSongTime(frame->header.duration);
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}
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@ -663,7 +663,7 @@ MadDecoder::RestIncludingThisFrame() const noexcept
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}
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inline void
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MadDecoder::FileSizeToSongLength()
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MadDecoder::FileSizeToSongLength() noexcept
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{
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if (input_stream.KnownSize()) {
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offset_type rest = RestIncludingThisFrame();
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@ -685,7 +685,7 @@ MadDecoder::FileSizeToSongLength()
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}
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inline bool
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MadDecoder::DecodeFirstFrame(Tag *tag)
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MadDecoder::DecodeFirstFrame(Tag *tag) noexcept
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{
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struct xing xing;
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@ -758,7 +758,7 @@ MadDecoder::DecodeFirstFrame(Tag *tag)
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return true;
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}
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MadDecoder::~MadDecoder()
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MadDecoder::~MadDecoder() noexcept
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{
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mad_synth_finish(&synth);
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mad_frame_finish(&frame);
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@ -783,7 +783,7 @@ MadDecoder::TimeToFrame(SongTime t) const noexcept
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}
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void
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MadDecoder::UpdateTimerNextFrame()
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MadDecoder::UpdateTimerNextFrame() noexcept
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{
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if (current_frame >= highest_frame) {
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/* record this frame's properties in frame_offsets
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@ -809,7 +809,7 @@ MadDecoder::UpdateTimerNextFrame()
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}
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DecoderCommand
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MadDecoder::SendPCM(unsigned i, unsigned pcm_length)
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MadDecoder::SendPCM(unsigned i, unsigned pcm_length) noexcept
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{
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unsigned max_samples = sizeof(output_buffer) /
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sizeof(output_buffer[0]) /
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@ -838,7 +838,7 @@ MadDecoder::SendPCM(unsigned i, unsigned pcm_length)
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}
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inline DecoderCommand
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MadDecoder::SyncAndSend()
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MadDecoder::SyncAndSend() noexcept
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{
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mad_synth_frame(&synth, &frame);
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@ -890,7 +890,7 @@ MadDecoder::SyncAndSend()
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}
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inline bool
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MadDecoder::Read()
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MadDecoder::Read() noexcept
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{
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UpdateTimerNextFrame();
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