diff options
Diffstat (limited to 'ffmpeg/libavcodec/pnm_parser.c')
| -rw-r--r-- | ffmpeg/libavcodec/pnm_parser.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/ffmpeg/libavcodec/pnm_parser.c b/ffmpeg/libavcodec/pnm_parser.c deleted file mode 100644 index 2a9e3e1..0000000 --- a/ffmpeg/libavcodec/pnm_parser.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * PNM image parser - * Copyright (c) 2002, 2003 Fabrice Bellard - * - * 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 - */ - -#include "parser.h" //for ParseContext -#include "pnm.h" - - -static int pnm_parse(AVCodecParserContext *s, AVCodecContext *avctx, - const uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size) -{ - ParseContext *pc = s->priv_data; - PNMContext pnmctx; - int next; - - for (; pc->overread > 0; pc->overread--) { - pc->buffer[pc->index++]= pc->buffer[pc->overread_index++]; - } -retry: - if (pc->index) { - pnmctx.bytestream_start = - pnmctx.bytestream = pc->buffer; - pnmctx.bytestream_end = pc->buffer + pc->index; - } else { - pnmctx.bytestream_start = - pnmctx.bytestream = (uint8_t *) buf; /* casts avoid warnings */ - pnmctx.bytestream_end = (uint8_t *) buf + buf_size; - } - if (ff_pnm_decode_header(avctx, &pnmctx) < 0) { - if (pnmctx.bytestream < pnmctx.bytestream_end) { - if (pc->index) { - pc->index = 0; - } else { - buf++; - buf_size--; - } - goto retry; - } -#if 0 - if (pc->index && pc->index * 2 + FF_INPUT_BUFFER_PADDING_SIZE < pc->buffer_size && buf_size > pc->index) { - memcpy(pc->buffer + pc->index, buf, pc->index); - pc->index += pc->index; - buf += pc->index; - buf_size -= pc->index; - goto retry; - } -#endif - next = END_NOT_FOUND; - } else { - next = pnmctx.bytestream - pnmctx.bytestream_start - + avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height); - if (pnmctx.bytestream_start != buf) - next -= pc->index; - if (next > buf_size) - next = END_NOT_FOUND; - } - - 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 ff_pnm_parser = { - .codec_ids = { AV_CODEC_ID_PGM, AV_CODEC_ID_PGMYUV, AV_CODEC_ID_PPM, - AV_CODEC_ID_PBM, AV_CODEC_ID_PAM }, - .priv_data_size = sizeof(ParseContext), - .parser_parse = pnm_parse, - .parser_close = ff_parse_close, -}; |
