1 /*
2 * Musepack decoder
3 * Copyright (c) 2006 Konstantin Shishkov
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file
24 * Musepack decoder
25 * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples
26 * divided into 32 subbands.
27 */
28
29 #ifndef AVCODEC_MPC_H
30 #define AVCODEC_MPC_H
31
38
40 #define SAMPLES_PER_BAND 36
41 #define MPC_FRAME_SIZE (BANDS * SAMPLES_PER_BAND)
42
43 /** Subband structure - hold all variables for each subband */
45 int msf;
///< mid-stereo flag
51
68 /* for synthesis */
73
76
77 #endif /* AVCODEC_MPC_H */
int32_t sb_samples[MPA_MAX_CHANNELS][36][SBLIMIT]
MPA_INT synth_buf[MPA_MAX_CHANNELS][512 *2]
#define DECLARE_ALIGNED(n, t, v)
bitstream reader API header.
void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, int16_t **out, int channels)
Libavcodec external API header.
mpeg audio declarations for both encoder and decoder.
int synth_buf_offset[MPA_MAX_CHANNELS]
Subband structure - hold all variables for each subband.