From 22e28216336da876e1fd17f380ce42eaf1446769 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 17 Feb 2014 13:36:38 +0000 Subject: chasing indexing error --- ffmpeg/libavcodec/bmp_parser.c | 91 ------------------------------------------ 1 file changed, 91 deletions(-) delete mode 100644 ffmpeg/libavcodec/bmp_parser.c (limited to 'ffmpeg/libavcodec/bmp_parser.c') diff --git a/ffmpeg/libavcodec/bmp_parser.c b/ffmpeg/libavcodec/bmp_parser.c deleted file mode 100644 index 06ed367..0000000 --- a/ffmpeg/libavcodec/bmp_parser.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * BMP parser - * Copyright (c) 2012 Paul B Mahol - * - * 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 - */ - -/** - * @file - * BMP parser - */ - -#include "libavutil/bswap.h" -#include "parser.h" - -typedef struct BMPParseContext { - ParseContext pc; - uint32_t fsize; - uint32_t remaining_size; -} BMPParseContext; - -static int bmp_parse(AVCodecParserContext *s, AVCodecContext *avctx, - const uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size) -{ - BMPParseContext *bpc = s->priv_data; - uint64_t state = bpc->pc.state64; - int next = END_NOT_FOUND; - int i = 0; - - s->pict_type = AV_PICTURE_TYPE_NONE; - - *poutbuf_size = 0; - if (buf_size == 0) - return 0; - - if (!bpc->pc.frame_start_found) { - for (; i < buf_size; i++) { - state = (state << 8) | buf[i]; - if ((state >> 48) == (('B' << 8) | 'M')) { - bpc->fsize = av_bswap32(state >> 16); - bpc->pc.frame_start_found = 1; - if (bpc->fsize > buf_size - i + 7) - bpc->remaining_size = bpc->fsize - buf_size + i - 7; - else - next = bpc->fsize + i - 7; - break; - } - } - bpc->pc.state64 = state; - } else { - if (bpc->remaining_size) { - i = FFMIN(bpc->remaining_size, buf_size); - bpc->remaining_size -= i; - if (bpc->remaining_size) - goto flush; - next = i; - } - } - -flush: - if (ff_combine_frame(&bpc->pc, next, &buf, &buf_size) < 0) - return buf_size; - - bpc->pc.frame_start_found = 0; - - *poutbuf = buf; - *poutbuf_size = buf_size; - return next; -} - -AVCodecParser ff_bmp_parser = { - .codec_ids = { AV_CODEC_ID_BMP }, - .priv_data_size = sizeof(BMPParseContext), - .parser_parse = bmp_parse, - .parser_close = ff_parse_close, -}; -- cgit v1.2.3