ad60b3b181
* qatar/master: vorbis: Validate that the floor 1 X values contain no duplicates. avprobe: Identify codec probe failures rather than calling them unsupported codecs. avformat: Probe codecs at score 0 on buffer exhaustion conditions. avformat: Factorize codec probing. Indeo Audio decoder imc: make IMDCT support stereo output imc: move channel-specific data into separate context lavfi: remove request/poll and drawing functions from public API on next bump lavfi: make avfilter_insert_pad and pals private on next bump. lavfi: make formats API private on next bump. avplay: use buffersrc instead of custom input filter. avtools: move buffer management code from avconv to cmdutils. avconv: don't use InputStream in the buffer management code. avconv: fix exiting when max frames is reached. mpc8: fix maximum bands handling aacdec: Turn PS off when switching to stereo and turn it to implicit when switching to mono. Conflicts: Changelog cmdutils.h ffmpeg.c ffplay.c ffprobe.c libavcodec/avcodec.h libavcodec/mpc8.c libavcodec/v210dec.h libavcodec/version.h libavcodec/vorbisdec.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_aspect.c libavfilter/vf_blackframe.c libavfilter/vf_boxblur.c libavfilter/vf_crop.c libavfilter/vf_cropdetect.c libavfilter/vf_delogo.c libavfilter/vf_drawbox.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_fifo.c libavfilter/vf_format.c libavfilter/vf_frei0r.c libavfilter/vf_gradfun.c libavfilter/vf_hflip.c libavfilter/vf_hqdn3d.c libavfilter/vf_libopencv.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_select.c libavfilter/vf_showinfo.c libavfilter/vf_transpose.c libavfilter/vf_unsharp.c libavfilter/vf_yadif.c libavfilter/vsrc_color.c libavfilter/vsrc_testsrc.c libavformat/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*
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* copyright (c) 2006 Oded Shimon <ods15@ods15.dyndns.org>
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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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#ifndef AVCODEC_VORBIS_H
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#define AVCODEC_VORBIS_H
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#include "avcodec.h"
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extern const float ff_vorbis_floor1_inverse_db_table[256];
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extern const float * const ff_vorbis_vwin[8];
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extern const uint8_t ff_vorbis_channel_layout_offsets[8][8];
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extern const uint8_t ff_vorbis_encoding_channel_layout_offsets[8][8];
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extern const uint64_t ff_vorbis_channel_layouts[9];
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typedef struct {
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uint16_t x;
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uint16_t sort;
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uint16_t low;
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uint16_t high;
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} vorbis_floor1_entry;
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int ff_vorbis_ready_floor1_list(AVCodecContext *avccontext,
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vorbis_floor1_entry *list, int values);
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unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n); // x^(1/n)
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int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, unsigned num);
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void ff_vorbis_floor1_render_list(vorbis_floor1_entry * list, int values,
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uint16_t *y_list, int *flag,
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int multiplier, float * out, int samples);
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void ff_vorbis_inverse_coupling(float *mag, float *ang, int blocksize);
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#define ilog(i) av_log2(2*(i))
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#endif /* AVCODEC_VORBIS_H */
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