* Musepack decoder
* Copyright (c) 2006 Konstantin Shishkov
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/mpc.h Musepack decoder
+ * @file
+ * Musepack decoder
* MPEG Audio Layer 1/2 -like codec with frames of 1152 samples
* divided into 32 subbands.
*/
#define AVCODEC_MPC_H
#include "libavutil/lfg.h"
+
#include "avcodec.h"
-#include "get_bits.h"
-#include "dsputil.h"
+#include "bswapdsp.h"
#include "mpegaudio.h"
-
-#include "mpcdata.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 {
+typedef struct Band {
int msf; ///< mid-stereo flag
int res[2];
int scfi[2];
int Q[2];
}Band;
-typedef struct {
- DSPContext dsp;
- GetBitContext gb;
+typedef struct MPCContext {
+ BswapDSPContext bdsp;
+ MPADSPContext mpadsp;
int IS, MSS, gapless;
int lastframelen;
int maxbands, last_max_band;
} MPCContext;
void ff_mpc_init(void);
-void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, void *dst);
+void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, int16_t **out, int channels);
#endif /* AVCODEC_MPC_H */