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| author | Jean-Francois Mauguit <jfmauguit@mac.com> | 2024-09-24 09:03:25 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-24 09:03:25 -0400 |
| commit | bab614c421ed7ae329d26bf028c4a3b1d2450f5a (patch) | |
| tree | 12f17f78986871dd2cfb0a56e5e93b545c1ae0d0 /Src/replicant/nsmp3/MPEGHeader.h | |
| parent | 4bde6044fddf053f31795b9eaccdd2a5a527d21f (diff) | |
| parent | 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d (diff) | |
| download | winamp-bab614c421ed7ae329d26bf028c4a3b1d2450f5a.tar.gz | |
Merge pull request #5 from WinampDesktop/community
Merge to main
Diffstat (limited to 'Src/replicant/nsmp3/MPEGHeader.h')
| -rw-r--r-- | Src/replicant/nsmp3/MPEGHeader.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Src/replicant/nsmp3/MPEGHeader.h b/Src/replicant/nsmp3/MPEGHeader.h new file mode 100644 index 00000000..d69271e1 --- /dev/null +++ b/Src/replicant/nsmp3/MPEGHeader.h @@ -0,0 +1,47 @@ +#pragma once +#include "foundation/types.h" + +class MPEGHeader +{ +public: + void ReadBuffer(const uint8_t *buffer); + int GetNumChannels() const; + bool IsSync() const; + int GetBitrate() const; + int HeaderSize() const; + int GetSampleRate() const; + int FrameSize() const; + int GetLayer() const; + bool IsCRC() const; + bool IsCopyright() const; + bool IsOriginal() const; + int GetSamplesPerFrame() const; + enum + { + NotPadded=0, + Padded=1, + CRC = 0, + NoProtection = 1, + Stereo = 0, + JointStereo = 1, + DualChannel = 2, + Mono = 3, + MPEG1 = 3, + MPEG2 = 2, + MPEG_Error = 1, + MPEG2_5 = 0, + Layer1 = 3, + Layer2 = 2, + Layer3 = 1, + LayerError = 0, + Emphasis_None = 0, + Emphasis_50_15_ms = 1, + Emphasis_reserved = 2, + Emphasis_CCIT_J_17 = 3, + }; + + uint16_t sync; + uint8_t mpeg_version, layer, protection, bitrate_index; + uint8_t padding_bit, private_bit, channel_mode, mode_extension; + uint8_t sample_rate_index, copyright, original, emphasis; +}; |
