aboutsummaryrefslogtreecommitdiff
path: root/deps/libchdr/flac.h
diff options
context:
space:
mode:
Diffstat (limited to 'deps/libchdr/flac.h')
-rw-r--r--deps/libchdr/flac.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/deps/libchdr/flac.h b/deps/libchdr/flac.h
new file mode 100644
index 0000000..23e91a9
--- /dev/null
+++ b/deps/libchdr/flac.h
@@ -0,0 +1,50 @@
+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+/***************************************************************************
+
+ flac.h
+
+ FLAC compression wrappers
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __FLAC_H__
+#define __FLAC_H__
+
+#include <stdint.h>
+#include "FLAC/all.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+typedef struct _flac_decoder flac_decoder;
+struct _flac_decoder {
+ // output state
+ FLAC__StreamDecoder* decoder; // actual encoder
+ uint32_t sample_rate; // decoded sample rate
+ uint8_t channels; // decoded number of channels
+ uint8_t bits_per_sample; // decoded bits per sample
+ uint32_t compressed_offset; // current offset in compressed data
+ const FLAC__byte * compressed_start; // start of compressed data
+ uint32_t compressed_length; // length of compressed data
+ const FLAC__byte * compressed2_start; // start of compressed data
+ uint32_t compressed2_length; // length of compressed data
+ int16_t * uncompressed_start[8]; // pointer to start of uncompressed data (up to 8 streams)
+ uint32_t uncompressed_offset; // current position in uncompressed data
+ uint32_t uncompressed_length; // length of uncompressed data
+ int uncompressed_swap; // swap uncompressed sample data
+ uint8_t custom_header[0x2a]; // custom header
+};
+
+// ======================> flac_decoder
+
+void flac_decoder_init(flac_decoder* decoder);
+void flac_decoder_free(flac_decoder* decoder);
+int flac_decoder_reset(flac_decoder* decoder, uint32_t sample_rate, uint8_t num_channels, uint32_t block_size, const void *buffer, uint32_t length);
+int flac_decoder_decode_interleaved(flac_decoder* decoder, int16_t *samples, uint32_t num_samples, int swap_endian);
+uint32_t flac_decoder_finish(flac_decoder* decoder);
+
+#endif // __FLAC_H__