更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/thirdparty/audio_decoder/mp3/include/minimp3.h

@@ -0,0 +1,132 @@
+#ifndef MINIMP3_H
+#define MINIMP3_H
+/*
+    https://github.com/lieff/minimp3
+    To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide.
+    This software is distributed without any warranty.
+    See <http://creativecommons.org/publicdomain/zero/1.0/>.
+*/
+#include <stdint.h>
+#define MINIMP3_NO_SIMD
+#define MINIMP3_IMPLEMENTATION
+#define MINIMP3_MAX_SAMPLES_PER_FRAME (1152*2)
+
+typedef struct
+{
+    int frame_bytes, frame_offset, channels, hz, layer, bitrate_kbps;
+} mp3dec_frame_info_t;
+
+typedef struct
+{
+    float mdct_overlap[2][9*32], qmf_state[15*2*32];
+    int reserv, free_format_bytes;
+    unsigned char header[4], reserv_buf[511];
+} mp3dec_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+void mp3dec_init(mp3dec_t *dec);
+#ifndef MINIMP3_FLOAT_OUTPUT
+typedef int16_t mp3d_sample_t;
+#else /* MINIMP3_FLOAT_OUTPUT */
+typedef float mp3d_sample_t;
+void mp3dec_f32_to_s16(const float *in, int16_t *out, int num_samples);
+#endif /* MINIMP3_FLOAT_OUTPUT */
+int mp3dec_decode_frame(mp3dec_t *dec, const uint8_t *mp3, int mp3_bytes, mp3d_sample_t *pcm, mp3dec_frame_info_t *info);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#if defined(MINIMP3_IMPLEMENTATION) && !defined(_MINIMP3_IMPLEMENTATION_GUARD)
+#define _MINIMP3_IMPLEMENTATION_GUARD
+
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_FREE_FORMAT_FRAME_SIZE  2304    /* more than ISO spec's */
+#ifndef MAX_FRAME_SYNC_MATCHES
+#define MAX_FRAME_SYNC_MATCHES      10
+#endif /* MAX_FRAME_SYNC_MATCHES */
+
+#define MAX_L3_FRAME_PAYLOAD_BYTES  MAX_FREE_FORMAT_FRAME_SIZE /* MUST be >= 320000/8/32000*1152 = 1440 */
+
+#define MAX_BITRESERVOIR_BYTES      511
+#define SHORT_BLOCK_TYPE            2
+#define STOP_BLOCK_TYPE             3
+#define MODE_MONO                   3
+#define MODE_JOINT_STEREO           1
+#define HDR_SIZE                    4
+#define HDR_IS_MONO(h)              (((h[3]) & 0xC0) == 0xC0)
+#define HDR_IS_MS_STEREO(h)         (((h[3]) & 0xE0) == 0x60)
+#define HDR_IS_FREE_FORMAT(h)       (((h[2]) & 0xF0) == 0)
+#define HDR_IS_CRC(h)               (!((h[1]) & 1))
+#define HDR_TEST_PADDING(h)         ((h[2]) & 0x2)
+#define HDR_TEST_MPEG1(h)           ((h[1]) & 0x8)
+#define HDR_TEST_NOT_MPEG25(h)      ((h[1]) & 0x10)
+#define HDR_TEST_I_STEREO(h)        ((h[3]) & 0x10)
+#define HDR_TEST_MS_STEREO(h)       ((h[3]) & 0x20)
+#define HDR_GET_STEREO_MODE(h)      (((h[3]) >> 6) & 3)
+#define HDR_GET_STEREO_MODE_EXT(h)  (((h[3]) >> 4) & 3)
+#define HDR_GET_LAYER(h)            (((h[1]) >> 1) & 3)
+#define HDR_GET_BITRATE(h)          ((h[2]) >> 4)
+#define HDR_GET_SAMPLE_RATE(h)      (((h[2]) >> 2) & 3)
+#define HDR_GET_MY_SAMPLE_RATE(h)   (HDR_GET_SAMPLE_RATE(h) + (((h[1] >> 3) & 1) + ((h[1] >> 4) & 1))*3)
+#define HDR_IS_FRAME_576(h)         ((h[1] & 14) == 2)
+#define HDR_IS_LAYER_1(h)           ((h[1] & 6) == 6)
+
+#define BITS_DEQUANTIZER_OUT        -1
+#define MAX_SCF                     (255 + BITS_DEQUANTIZER_OUT*4 - 210)
+#define MAX_SCFI                    ((MAX_SCF + 3) & ~3)
+
+#define MINIMP3_MIN(a, b)           ((a) > (b) ? (b) : (a))
+#define MINIMP3_MAX(a, b)           ((a) < (b) ? (b) : (a))
+
+#define HAVE_SIMD 0
+
+
+#define HAVE_ARMV6 0
+
+typedef struct
+{
+    const uint8_t *buf;
+    int pos, limit;
+} bs_t;
+
+typedef struct
+{
+    float scf[3*64];
+    uint8_t total_bands, stereo_bands, bitalloc[64], scfcod[64];
+} L12_scale_info;
+
+typedef struct
+{
+    uint8_t tab_offset, code_tab_width, band_count;
+} L12_subband_alloc_t;
+
+typedef struct
+{
+    const uint8_t *sfbtab;
+    uint16_t part_23_length, big_values, scalefac_compress;
+    uint8_t global_gain, block_type, mixed_block_flag, n_long_sfb, n_short_sfb;
+    uint8_t table_select[3], region_count[3], subblock_gain[3];
+    uint8_t preflag, scalefac_scale, count1_table, scfsi;
+} L3_gr_info_t;
+
+typedef struct
+{
+    bs_t bs;
+    uint8_t maindata[MAX_BITRESERVOIR_BYTES + MAX_L3_FRAME_PAYLOAD_BYTES];
+    L3_gr_info_t gr_info[4];
+    float grbuf[2][576], scf[40], syn[18 + 15][2*32];
+    uint8_t ist_pos[2][39];
+} mp3dec_scratch_t;
+
+#ifdef MINIMP3_FLOAT_OUTPUT
+void mp3dec_f32_to_s16(const float *in, int16_t *out, int num_samples);
+#endif /* MINIMP3_FLOAT_OUTPUT */
+#endif /* MINIMP3_IMPLEMENTATION && !_MINIMP3_IMPLEMENTATION_GUARD */
+#endif /* MINIMP3_H */