summaryrefslogtreecommitdiff
path: root/contrib/ffmpeg/libavcodec/h263_parser.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/ffmpeg/libavcodec/h263_parser.c')
-rw-r--r--contrib/ffmpeg/libavcodec/h263_parser.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/contrib/ffmpeg/libavcodec/h263_parser.c b/contrib/ffmpeg/libavcodec/h263_parser.c
deleted file mode 100644
index bfef3b5bb..000000000
--- a/contrib/ffmpeg/libavcodec/h263_parser.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * H.263 parser
- * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * 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 h263_parser.c
- * H.263 parser
- */
-
-#include "parser.h"
-
-int ff_h263_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){
- int vop_found, i;
- uint32_t state;
-
- vop_found= pc->frame_start_found;
- state= pc->state;
-
- i=0;
- if(!vop_found){
- for(i=0; i<buf_size; i++){
- state= (state<<8) | buf[i];
- if(state>>(32-22) == 0x20){
- i++;
- vop_found=1;
- break;
- }
- }
- }
-
- if(vop_found){
- for(; i<buf_size; i++){
- state= (state<<8) | buf[i];
- if(state>>(32-22) == 0x20){
- pc->frame_start_found=0;
- pc->state=-1;
- return i-3;
- }
- }
- }
- pc->frame_start_found= vop_found;
- pc->state= state;
-
- return END_NOT_FOUND;
-}
-
-static int h263_parse(AVCodecParserContext *s,
- AVCodecContext *avctx,
- const uint8_t **poutbuf, int *poutbuf_size,
- const uint8_t *buf, int buf_size)
-{
- ParseContext *pc = s->priv_data;
- int next;
-
- next= ff_h263_find_frame_end(pc, buf, buf_size);
-
- if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
- *poutbuf = NULL;
- *poutbuf_size = 0;
- return buf_size;
- }
-
- *poutbuf = buf;
- *poutbuf_size = buf_size;
- return next;
-}
-
-AVCodecParser h263_parser = {
- { CODEC_ID_H263 },
- sizeof(ParseContext),
- NULL,
- h263_parse,
- ff_parse_close,
-};