/*
- * 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
int stream_id[7];
int curstream;
offset_t nextpos;
+ int64_t aud_pts[7];
} SmackerContext;
typedef struct SmackerFrame {
for(i = 0; i < 7; i++)
smk->audio[i] = get_le32(pb);
smk->treesize = get_le32(pb);
+
+ if(smk->treesize >= UINT_MAX/4){ // smk->treesize + 16 must not overflow (this check is probably redundant)
+ av_log(s, AV_LOG_ERROR, "treesize too large\n");
+ return -1;
+ }
+
+//FIXME remove extradata "rebuilding"
smk->mmap_size = get_le32(pb);
smk->mclr_size = get_le32(pb);
smk->full_size = get_le32(pb);
st->codec->pix_fmt = PIX_FMT_PAL8;
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_SMACKVIDEO;
- st->codec->codec_tag = smk->is_ver4;
+ st->codec->codec_tag = smk->magic;
/* Smacker uses 100000 as internal timebase */
if(smk->pts_inc < 0)
smk->pts_inc = -smk->pts_inc;
if((smk->rates[i] & 0xFFFFFF) && !(smk->rates[i] & SMK_AUD_BINKAUD)){
ast[i] = av_new_stream(s, 0);
smk->indexes[i] = ast[i]->index;
- av_set_pts_info(ast[i], 33, smk->pts_inc, tbase);
ast[i]->codec->codec_type = CODEC_TYPE_AUDIO;
ast[i]->codec->codec_id = (smk->rates[i] & SMK_AUD_PACKED) ? CODEC_ID_SMACKAUDIO : CODEC_ID_PCM_U8;
- ast[i]->codec->codec_tag = 0;
+ ast[i]->codec->codec_tag = MKTAG('S', 'M', 'K', 'A');
ast[i]->codec->channels = (smk->rates[i] & SMK_AUD_STEREO) ? 2 : 1;
ast[i]->codec->sample_rate = smk->rates[i] & 0xFFFFFF;
ast[i]->codec->bits_per_sample = (smk->rates[i] & SMK_AUD_16BITS) ? 16 : 8;
if(ast[i]->codec->bits_per_sample == 16 && ast[i]->codec->codec_id == CODEC_ID_PCM_U8)
ast[i]->codec->codec_id = CODEC_ID_PCM_S16LE;
+ av_set_pts_info(ast[i], 64, 1, ast[i]->codec->sample_rate
+ * ast[i]->codec->channels * ast[i]->codec->bits_per_sample / 8);
}
}
memcpy(pkt->data, smk->bufs[smk->curstream], smk->buf_sizes[smk->curstream]);
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] += AV_RL32(pkt->data);
smk->curstream--;
}
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;
-}