[deb_ffmpeg.git] / ffmpeg / libavcodec / dcadsp.h

/*
 * 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
 */

#ifndef AVCODEC_DCADSP_H
#define AVCODEC_DCADSP_H

#include "avfft.h"
#include "synth_filter.h"

#define DCA_SUBBANDS 64

typedef struct DCADSPContext {
    void (*lfe_fir[2])(float *out, const float *in, const float *coefs);
    void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
                            SynthFilterContext *synth, FFTContext *imdct,
                            float synth_buf_ptr[512],
                            int *synth_buf_offset, float synth_buf2[32],
                            const float window[512], float *samples_out,
                            float raXin[32], float scale);
    void (*decode_hf)(float dst[DCA_SUBBANDS][8],
                      const int32_t vq_num[DCA_SUBBANDS],
                      const int8_t hf_vq[1024][32], intptr_t vq_offset,
                      int32_t scale[DCA_SUBBANDS][2],
                      intptr_t start, intptr_t end);
} DCADSPContext;

void ff_dcadsp_init(DCADSPContext *s);
void ff_dcadsp_init_arm(DCADSPContext *s);
void ff_dcadsp_init_x86(DCADSPContext *s);

#endif /* AVCODEC_DCADSP_H */
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* This file is part of FFmpeg.
	3	*
	4	* FFmpeg is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Lesser General Public
	6	* License as published by the Free Software Foundation; either
	7	* version 2.1 of the License, or (at your option) any later version.
	8	*
	9	* FFmpeg is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* Lesser General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU Lesser General Public
	15	* License along with FFmpeg; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17	*/
	18
	19	#ifndef AVCODEC_DCADSP_H
	20	#define AVCODEC_DCADSP_H
	21
	22	#include "avfft.h"
	23	#include "synth_filter.h"
	24
	25	#define DCA_SUBBANDS 64
	26
	27	typedef struct DCADSPContext {
	28	void (lfe_fir[2])(float out, const float in, const float coefs);
	29	void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
	30	SynthFilterContext synth, FFTContext imdct,
	31	float synth_buf_ptr[512],
	32	int *synth_buf_offset, float synth_buf2[32],
	33	const float window[512], float *samples_out,
	34	float raXin[32], float scale);
	35	void (*decode_hf)(float dst[DCA_SUBBANDS][8],
	36	const int32_t vq_num[DCA_SUBBANDS],
	37	const int8_t hf_vq[1024][32], intptr_t vq_offset,
	38	int32_t scale[DCA_SUBBANDS][2],
	39	intptr_t start, intptr_t end);
	40	} DCADSPContext;
	41
	42	void ff_dcadsp_init(DCADSPContext *s);
	43	void ff_dcadsp_init_arm(DCADSPContext *s);
	44	void ff_dcadsp_init_x86(DCADSPContext *s);
	45
	46	#endif /* AVCODEC_DCADSP_H */