diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/mpc.h | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/mpc.h')
| -rw-r--r-- | ffmpeg1/libavcodec/mpc.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/ffmpeg1/libavcodec/mpc.h b/ffmpeg1/libavcodec/mpc.h deleted file mode 100644 index 295b4c7..0000000 --- a/ffmpeg1/libavcodec/mpc.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Musepack decoder - * Copyright (c) 2006 Konstantin Shishkov - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * Musepack decoder - * MPEG Audio Layer 1/2 -like codec with frames of 1152 samples - * divided into 32 subbands. - */ - -#ifndef AVCODEC_MPC_H -#define AVCODEC_MPC_H - -#include "libavutil/lfg.h" -#include "avcodec.h" -#include "get_bits.h" -#include "dsputil.h" -#include "mpegaudio.h" -#include "mpegaudiodsp.h" - -#define BANDS 32 -#define SAMPLES_PER_BAND 36 -#define MPC_FRAME_SIZE (BANDS * SAMPLES_PER_BAND) - -/** Subband structure - hold all variables for each subband */ -typedef struct Band { - int msf; ///< mid-stereo flag - int res[2]; - int scfi[2]; - int scf_idx[2][3]; - int Q[2]; -}Band; - -typedef struct MPCContext { - DSPContext dsp; - MPADSPContext mpadsp; - GetBitContext gb; - int IS, MSS, gapless; - int lastframelen; - int maxbands, last_max_band; - int last_bits_used; - int oldDSCF[2][BANDS]; - Band bands[BANDS]; - int Q[2][MPC_FRAME_SIZE]; - int cur_frame, frames; - uint8_t *bits; - int buf_size; - AVLFG rnd; - int frames_to_skip; - /* for synthesis */ - DECLARE_ALIGNED(16, MPA_INT, synth_buf)[MPA_MAX_CHANNELS][512*2]; - int synth_buf_offset[MPA_MAX_CHANNELS]; - DECLARE_ALIGNED(16, int32_t, sb_samples)[MPA_MAX_CHANNELS][36][SBLIMIT]; -} MPCContext; - -void ff_mpc_init(void); -void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, int16_t **out, int channels); - -#endif /* AVCODEC_MPC_H */ |
