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rename libeplayer3-arm -> libplayer3
Origin commit data
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Branch: master
Commit: e1b78787fd
Author: max_10 <max_10@gmx.de>
Date: 2019-06-15 (Sat, 15 Jun 2019)
Origin message was:
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- rename libeplayer3-arm -> libplayer3
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No further description and justification available within origin commit message!
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This commit was generated by Migit
This commit is contained in:
151
libeplayer3/external/flv2mpeg4/src/bitwriter.h
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151
libeplayer3/external/flv2mpeg4/src/bitwriter.h
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/*
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* Bitstream writer
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*
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* Copyright (c) 2006 vixy project
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*
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* This file contains the code that based on FFmpeg (http://ffmpeg.mplayerhq.hu/)
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* See original copyright notice in /FFMPEG_CREDITS and /FFMPEG_IMPORTS
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*
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* This file is part of VIXY FLV Converter.
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*
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* 'VIXY FLV Converter' 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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* 'VIXY FLV Converter' 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 BITWRITER_H
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#define BITWRITER_H
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#include "type.h"
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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typedef struct _BW
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{
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uint8 *buf;
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uint32 size;
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uint32 pos;
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uint32 bitoffset;
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uint32 tmp;
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} BW;
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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static void __inline clear_bw(BW *p)
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{
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p->pos = 0;
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p->bitoffset = 0;
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p->tmp = 0;
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}
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static void __inline init_bw(BW *p, uint8 *buf, uint32 size)
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{
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p->buf = buf;
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p->size = size;
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clear_bw(p);
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}
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static void __inline forword_bits(BW *p, uint32 bits)
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{
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p->bitoffset += bits;
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if (p->bitoffset >= 32)
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{
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p->buf[p->pos++] = (p->tmp >> 24) & 0xff;
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p->buf[p->pos++] = (p->tmp >> 16) & 0xff;
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p->buf[p->pos++] = (p->tmp >> 8) & 0xff;
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p->buf[p->pos++] = (p->tmp >> 0) & 0xff;
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p->tmp = 0;
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p->bitoffset -= 32;
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}
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}
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static void __inline put_bits(BW *p, uint32 bits, uint32 value)
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{
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uint32 shift = 32 - p->bitoffset - bits;
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if (shift <= 32)
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{
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p->tmp |= value << shift;
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forword_bits(p, bits);
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}
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else
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{
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shift = bits - (32 - p->bitoffset);
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p->tmp |= value >> shift;
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forword_bits(p, bits - shift);
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p->tmp |= value << (32 - shift);
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forword_bits(p, shift);
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}
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}
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static void __inline pad_to_boundary(BW *p)
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{
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uint32 bits = 8 - (p->bitoffset % 8);
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if (bits < 8)
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{
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put_bits(p, bits, 0);
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}
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}
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static void __inline flash_bw(BW *p)
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{
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pad_to_boundary(p);
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switch (p->bitoffset)
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{
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case 0: // nothing to do
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break;
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case 8:
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p->buf[p->pos++] = (p->tmp >> 24) & 0xff;
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break;
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case 16:
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p->buf[p->pos++] = (p->tmp >> 24) & 0xff;
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p->buf[p->pos++] = (p->tmp >> 16) & 0xff;
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break;
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case 24:
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p->buf[p->pos++] = (p->tmp >> 24) & 0xff;
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p->buf[p->pos++] = (p->tmp >> 16) & 0xff;
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p->buf[p->pos++] = (p->tmp >> 8) & 0xff;
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break;
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default:
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// fprintf(stderr, "flash_bw error!(%d)\n", p->bitoffset);
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break;
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}
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p->tmp = 0;
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p->bitoffset = 0;
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}
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static uint32 __inline get_bw_pos(BW *p)
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{
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return p->pos * 8 + p->bitoffset;
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}
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static void __inline put_vlcdec(BW *bw, VLCDEC *vlcdec)
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{
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put_bits(bw, vlcdec->bits, vlcdec->value);
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}
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// M4V ADDED
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static void __inline m4v_stuffing(BW *p)
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{
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int length;
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put_bits(p, 1, 0);
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length = (- p->bitoffset) & 7;
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if (length) put_bits(p, length, (1 << length) - 1);
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}
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#endif // BITWRITER_H
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