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27 lines
1.0 KiB
C++
27 lines
1.0 KiB
C++
#pragma once
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#include <cstdint>
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// Notes
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//
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// Performance-wise, these are OK.
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// For Atrac3+, the bottleneck is two functions: decode_qu_spectra and ff_atrac3p_ipqf. At least the latter is quite SIMD-able.
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// The full external API for the standalone Atrac3/3+ decoder.
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struct ATRAC3Context;
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struct ATRAC3PContext;
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// If the block_align passed in is 0, tries to audio detect.
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// flush_buffers should be called when seeking before the next decode_frame.
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ATRAC3Context *atrac3_alloc(int channels, int *block_align, const uint8_t *extra_data, int extra_data_size);
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void atrac3_free(ATRAC3Context *ctx);
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void atrac3_flush_buffers(ATRAC3Context *ctx);
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int atrac3_decode_frame(ATRAC3Context *ctx, float *out_data[2], int *nb_samples, const uint8_t *buf, int buf_size);
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ATRAC3PContext *atrac3p_alloc(int channels, int *block_align);
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void atrac3p_free(ATRAC3PContext *ctx);
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void atrac3p_flush_buffers(ATRAC3PContext *ctx);
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int atrac3p_decode_frame(ATRAC3PContext *ctx, float *out_data[2], int *nb_samples, const uint8_t *buf, int buf_size);
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