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75a37b57a5
* qatar/master: APIchanges: fill in date and commit for request_sample_fmt Add floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders. Add support for request_sample_format in ffmpeg and ffplay. Add APIchanges entry for request_sample_fmt. Add request_sample_fmt field to AVCodecContext. Add float_interleave() to FmtConvertContext with x86-optimized versions. Remove unused make variable SEEK_REFFILE fate: remove redundant aref and vref references fate: remove do_ffmpeg_nocheck function fate: do not collect -benchmark output mpegaudiodec: remove decode_end() function fate: run aref and vref as regular tests mpegaudio: sanitise compute_antialias_* names mpeg12: add slice-threading checks to slice-threading initializers. h264: copy pixel_shift between slice threading contexts. mdec: enable frame-level multithreading. mdec.c: fix overread. Conflicts: libavcodec/aacdec.c libavcodec/ac3dec.c libavcodec/avcodec.h libavcodec/dca.c libavcodec/h264.c libavcodec/mdec.c libavcodec/mpeg12.c libavcodec/options.c libavcodec/version.h libavcodec/vorbisdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*
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* AAC Spectral Band Replication function declarations
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* Copyright (c) 2008-2009 Robert Swain ( rob opendot cl )
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* Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* AAC Spectral Band Replication function declarations
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* @author Robert Swain ( rob opendot cl )
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*/
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#ifndef AVCODEC_AACSBR_H
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#define AVCODEC_AACSBR_H
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#include "get_bits.h"
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#include "aac.h"
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#include "sbr.h"
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/** Initialize SBR. */
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av_cold void ff_aac_sbr_init(void);
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/** Initialize one SBR context. */
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av_cold void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr);
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/** Close one SBR context. */
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av_cold void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr);
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/** Decode one SBR element. */
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int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
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GetBitContext *gb, int crc, int cnt, int id_aac);
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/** Apply one SBR element to one AAC element. */
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void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
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float* L, float *R);
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#endif /* AVCODEC_AACSBR_H */
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