* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <strings.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/bswap.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
+#include "libavutil/avstring.h"
#include "avformat.h"
#include "avi.h"
#include "dv.h"
static const AVOption options[] = {
- { "use_odml", "use odml index", offsetof(AVIContext, use_odml), FF_OPT_TYPE_INT, {.dbl = 1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM},
+ { "use_odml", "use odml index", offsetof(AVIContext, use_odml), AV_OPT_TYPE_INT, {.dbl = 1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM},
{ NULL },
};
AVIStream *ast;
int i;
int64_t last_pos= -1;
- int64_t filesize= avio_size(s->pb);
+ int64_t filesize= avi->fsize;
av_dlog(s, "longs_pre_entry:%d index_type:%d entries_in_use:%d chunk_id:%X base:%16"PRIX64"\n",
longs_pre_entry,index_type, entries_in_use, chunk_id, base);
return -1;
}
- avio_seek(pb, offset+8, SEEK_SET);
+ if(avio_seek(pb, offset+8, SEEK_SET) < 0)
+ return -1;
avi->odml_depth++;
read_braindead_odml_indx(s, frame_num);
avi->odml_depth--;
frame_num += duration;
- avio_seek(pb, pos, SEEK_SET);
+ if(avio_seek(pb, pos, SEEK_SET) < 0) {
+ av_log(s, AV_LOG_ERROR, "Failed to restore position after reading index");
+ return -1;
+ }
+
}
}
- avi->index_loaded=1;
+ avi->index_loaded=2;
return 0;
}
if (sscanf(date, "%*3s%*[ ]%3s%*[ ]%2d%*[ ]%8s%*[ ]%4d",
month, &day, time, &year) == 4) {
for (i=0; i<12; i++)
- if (!strcasecmp(month, months[i])) {
+ if (!av_strcasecmp(month, months[i])) {
snprintf(buffer, sizeof(buffer), "%.4d-%.2d-%.2d %s",
year, i+1, day, time);
av_dict_set(metadata, "creation_time", buffer, 0);
av_log(avi, AV_LOG_DEBUG, "use odml:%d\n", avi->use_odml);
avi->fsize = avio_size(pb);
- if(avi->fsize<=0)
+ if(avi->fsize<=0 || avi->fsize < avi->riff_end)
avi->fsize= avi->riff_end == 8 ? INT64_MAX : avi->riff_end;
/* first list tag */
if (tag1 == MKTAG('m', 'o', 'v', 'i')) {
avi->movi_list = avio_tell(pb) - 4;
if(size) avi->movi_end = avi->movi_list + size + (size & 1);
- else avi->movi_end = avio_size(pb);
+ else avi->movi_end = avi->fsize;
av_dlog(NULL, "movi end=%"PRIx64"\n", avi->movi_end);
goto end_of_header;
}
break;
}else{
stream_index++;
- st = av_new_stream(s, stream_index);
+ st = avformat_new_stream(s, NULL);
if (!st)
goto fail;
+ st->id = stream_index;
ast = av_mallocz(sizeof(AVIStream));
if (!ast)
goto fail;
av_freep(&s->streams[0]);
s->nb_streams = 0;
if (CONFIG_DV_DEMUXER) {
- avi->dv_demux = dv_init_demux(s);
+ avi->dv_demux = avpriv_dv_init_demux(s);
if (!avi->dv_demux)
goto fail;
}
break;
case MKTAG('s', 't', 'r', 'f'):
/* stream header */
+ if (!size)
+ break;
if (stream_index >= (unsigned)s->nb_streams || avi->dv_demux) {
avio_skip(pb, size);
} else {
if(st->codec->codec_tag==0 && st->codec->height > 0 && st->codec->extradata_size < 1U<<30){
st->codec->extradata_size+= 9;
- st->codec->extradata= av_realloc(st->codec->extradata, st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ st->codec->extradata= av_realloc_f(st->codec->extradata, 1, st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if(st->codec->extradata)
memcpy(st->codec->extradata + st->codec->extradata_size - 9, "BottomUp", 9);
}
"I will ignore it and try to continue anyway.\n");
if (s->error_recognition >= FF_ER_EXPLODE) goto fail;
avi->movi_list = avio_tell(pb) - 4;
- avi->movi_end = avio_size(pb);
+ avi->movi_end = avi->fsize;
goto end_of_header;
}
/* skip tag */
if(!avi->index_loaded && pb->seekable)
avi_load_index(s);
- avi->index_loaded = 1;
+ avi->index_loaded |= 1;
avi->non_interleaved |= guess_ni_flag(s) | (s->flags & AVFMT_FLAG_SORT_DTS);
for(i=0; i<s->nb_streams; i++){
AVStream *st = s->streams[i];
{
AVIContext *avi = s->priv_data;
AVIOContext *pb = s->pb;
- int n, d[8];
+ int n;
+ unsigned int d[8];
unsigned int size;
int64_t i, sync;
start_sync:
- memset(d, -1, sizeof(int)*8);
+ memset(d, -1, sizeof(d));
for(i=sync=avio_tell(pb); !url_feof(pb); i++) {
int j;
n= get_stream_idx(d+2);
//av_log(s, AV_LOG_DEBUG, "%X %X %X %X %X %X %X %X %"PRId64" %d %d\n", d[0], d[1], d[2], d[3], d[4], d[5], d[6], d[7], i, size, n);
- if(i + (uint64_t)size > avi->fsize || d[0]<0)
+ if(i + (uint64_t)size > avi->fsize || d[0] > 127)
continue;
//parse ix##
}
}
+ if(pb->error)
+ return pb->error;
return AVERROR_EOF;
}
void* dstr;
if (CONFIG_DV_DEMUXER && avi->dv_demux) {
- int size = dv_get_packet(avi->dv_demux, pkt);
+ int size = avpriv_dv_get_packet(avi->dv_demux, pkt);
if (size >= 0)
return size;
}
}
}
if(!best_st)
- return -1;
+ return AVERROR_EOF;
best_ast = best_st->priv_data;
best_ts = av_rescale_q(best_ts, (AVRational){FFMAX(1, best_ast->sample_size), AV_TIME_BASE}, best_st->time_base);
if(i>=0){
int64_t pos= best_st->index_entries[i].pos;
pos += best_ast->packet_size - best_ast->remaining;
- avio_seek(s->pb, pos + 8, SEEK_SET);
+ if(avio_seek(s->pb, pos + 8, SEEK_SET) < 0)
+ return AVERROR_EOF;
// av_log(s, AV_LOG_DEBUG, "pos=%"PRId64"\n", pos);
assert(best_ast->remaining <= best_ast->packet_size);
best_ast->packet_size=
best_ast->remaining= best_st->index_entries[i].size;
}
+ else
+ return AVERROR_EOF;
}
resync:
if (CONFIG_DV_DEMUXER && avi->dv_demux) {
dstr = pkt->destruct;
- size = dv_produce_packet(avi->dv_demux, pkt,
+ size = avpriv_dv_produce_packet(avi->dv_demux, pkt,
pkt->data, pkt->size, pkt->pos);
pkt->destruct = dstr;
pkt->flags |= AV_PKT_FLAG_KEY;
}
ast->seek_pos= 0;
- if(!avi->non_interleaved && st->nb_index_entries>1){
+ if(!avi->non_interleaved && st->nb_index_entries>1 && avi->index_loaded>1){
int64_t dts= av_rescale_q(pkt->dts, st->time_base, AV_TIME_BASE_Q);
if(avi->dts_max - dts > 2*AV_TIME_BASE){
if (tag == MKTAG('i', 'd', 'x', '1') &&
avi_read_idx1(s, size) >= 0) {
+ avi->index_loaded=2;
ret = 0;
break;
}
if (!avi->index_loaded) {
/* we only load the index on demand */
avi_load_index(s);
- avi->index_loaded = 1;
+ avi->index_loaded |= 1;
}
assert(stream_index>= 0);
/* the av_index_search_timestamp call above. */
assert(stream_index == 0);
+ if(avio_seek(s->pb, pos, SEEK_SET) < 0)
+ return -1;
+
/* Feed the DV video stream version of the timestamp to the */
/* DV demux so it can synthesize correct timestamps. */
dv_offset_reset(avi->dv_demux, timestamp);
- avio_seek(s->pb, pos, SEEK_SET);
avi->stream_index= -1;
return 0;
}
}
/* do the seek */
- avio_seek(s->pb, pos_min, SEEK_SET);
+ if (avio_seek(s->pb, pos_min, SEEK_SET) < 0)
+ return -1;
avi->stream_index= -1;
avi->dts_max= INT_MIN;
return 0;