/*
- * Smacker decoder
+ * Smacker demuxer
* Copyright (c) 2006 Konstantin Shishkov.
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#include "avformat.h"
-#include "avi.h"
+#include "riff.h"
#include "bswap.h"
#define SMACKER_PAL 0x01
static int smacker_probe(AVProbeData *p)
{
- if (p->buf_size < 4)
- return 0;
if(p->buf[0] == 'S' && p->buf[1] == 'M' && p->buf[2] == 'K'
&& (p->buf[3] == '2' || p->buf[3] == '4'))
return AVPROBE_SCORE_MAX;
static int smacker_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
ByteIOContext *pb = &s->pb;
- SmackerContext *smk = (SmackerContext *)s->priv_data;
+ SmackerContext *smk = s->priv_data;
AVStream *st, *ast[7];
int i, ret;
int tbase;
static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
{
- SmackerContext *smk = (SmackerContext *)s->priv_data;
+ SmackerContext *smk = s->priv_data;
int flags;
int ret;
int i;
int pos;
if (url_feof(&s->pb) || smk->cur_frame >= smk->frames)
- return -EIO;
+ return AVERROR(EIO);
/* if we demuxed all streams, pass another frame */
if(smk->curstream < 0) {
pkt->size = smk->buf_sizes[smk->curstream];
pkt->stream_index = smk->stream_id[smk->curstream];
pkt->pts = smk->aud_pts[smk->curstream];
- smk->aud_pts[smk->curstream] += LE_32(pkt->data);
+ smk->aud_pts[smk->curstream] += AV_RL32(pkt->data);
smk->curstream--;
}
static int smacker_read_close(AVFormatContext *s)
{
- SmackerContext *smk = (SmackerContext *)s->priv_data;
+ SmackerContext *smk = s->priv_data;
int i;
for(i = 0; i < 7; i++)
if(smk->frm_flags)
av_free(smk->frm_flags);
- for(i=0;i<s->nb_streams;i++) {
- AVStream *st = s->streams[i];
- if(st->codec->extradata)
- av_free(st->codec->extradata);
- }
return 0;
}
-static AVInputFormat smacker_iformat = {
+AVInputFormat smacker_demuxer = {
"smk",
"Smacker Video",
sizeof(SmackerContext),
smacker_read_packet,
smacker_read_close,
};
-
-int smacker_init(void)
-{
- av_register_input_format(&smacker_iformat);
- return 0;
-}