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Diffstat (limited to 'ffmpeg/libavcodec/bmp_parser.c')
-rw-r--r--ffmpeg/libavcodec/bmp_parser.c91
1 files changed, 0 insertions, 91 deletions
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,
-};