* PNM image parser
* Copyright (c) 2002, 2003 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#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)
+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--){
+ 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 (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{
+ 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){
+ 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;
+ 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;
+ 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;
+ if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
+ *poutbuf = NULL;
*poutbuf_size = 0;
return buf_size;
}
- *poutbuf = buf;
+ *poutbuf = buf;
*poutbuf_size = buf_size;
return next;
}
-AVCodecParser pnm_parser = {
+AVCodecParser ff_pnm_parser = {
{ CODEC_ID_PGM, CODEC_ID_PGMYUV, CODEC_ID_PPM, CODEC_ID_PBM, CODEC_ID_PAM},
sizeof(ParseContext),
NULL,