* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/attributes.h"
#include "libavutil/mathematics.h"
#include "avformat.h"
+#include "internal.h"
#include "riff.h"
#include "libavutil/dict.h"
* so the header seems to not be mandatory. (for streaming).
*
* index slice duration check (excepts nsvtrailer.nsv):
- * for f in [^n]*.nsv; do DUR="$(ffmpeg -i "$f" 2>/dev/null | grep 'NSVf duration' | cut -d ' ' -f 4)"; IC="$(ffmpeg -i "$f" 2>/dev/null | grep 'INDEX ENTRIES' | cut -d ' ' -f 2)"; echo "duration $DUR, slite time $(($DUR/$IC))"; done
+ * for f in [^n]*.nsv; do
+ * DUR="$(avconv -i "$f" 2> /dev/null | grep 'NSVf duration' | cut -d ' ' -f 4)"
+ * IC="$(avconv -i "$f" 2> /dev/null | grep 'INDEX ENTRIES' | cut -d ' ' -f 2)"
+ * echo "duration $DUR, slite time $(($DUR/$IC))"
+ * done
*/
/*
return -1;
}
-static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
+static int nsv_parse_NSVf_header(AVFormatContext *s)
{
NSVContext *nsv = s->priv_data;
AVIOContext *pb = s->pb;
char *token, *value;
char quote;
- p = strings = av_mallocz(strings_size + 1);
+ p = strings = av_mallocz((size_t)strings_size + 1);
+ if (!p)
+ return AVERROR(ENOMEM);
endp = strings + strings_size;
avio_read(pb, strings, strings_size);
while (p < endp) {
if((unsigned)table_entries_used >= UINT_MAX / sizeof(uint32_t))
return -1;
nsv->nsvs_file_offset = av_malloc((unsigned)table_entries_used * sizeof(uint32_t));
+ if (!nsv->nsvs_file_offset)
+ return AVERROR(ENOMEM);
for(i=0;i<table_entries_used;i++)
nsv->nsvs_file_offset[i] = avio_rl32(pb) + size;
if(table_entries > table_entries_used &&
avio_rl32(pb) == MKTAG('T','O','C','2')) {
nsv->nsvs_timestamps = av_malloc((unsigned)table_entries_used*sizeof(uint32_t));
+ if (!nsv->nsvs_timestamps)
+ return AVERROR(ENOMEM);
for(i=0;i<table_entries_used;i++) {
nsv->nsvs_timestamps[i] = avio_rl32(pb);
}
return 0;
}
-static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
+static int nsv_parse_NSVs_header(AVFormatContext *s)
{
NSVContext *nsv = s->priv_data;
AVIOContext *pb = s->pb;
st->codec->height = vheight;
st->codec->bits_per_coded_sample = 24; /* depth XXX */
- av_set_pts_info(st, 64, framerate.den, framerate.num);
+ avpriv_set_pts_info(st, 64, framerate.den, framerate.num);
st->start_time = 0;
st->duration = av_rescale(nsv->duration, framerate.num, 1000*framerate.den);
st->need_parsing = AVSTREAM_PARSE_FULL; /* for PCM we will read a chunk later and put correct info */
/* set timebase to common denominator of ms and framerate */
- av_set_pts_info(st, 64, 1, framerate.num*1000);
+ avpriv_set_pts_info(st, 64, 1, framerate.num*1000);
st->start_time = 0;
st->duration = (int64_t)nsv->duration * framerate.num;
#endif
return -1;
}
-static int nsv_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int nsv_read_header(AVFormatContext *s)
{
NSVContext *nsv = s->priv_data;
int i, err;
for (i = 0; i < NSV_MAX_RESYNC_TRIES; i++) {
if (nsv_resync(s) < 0)
return -1;
- if (nsv->state == NSV_FOUND_NSVF)
- err = nsv_parse_NSVf_header(s, ap);
+ if (nsv->state == NSV_FOUND_NSVF) {
+ err = nsv_parse_NSVf_header(s);
+ if (err < 0)
+ return err;
+ }
/* we need the first NSVs also... */
if (nsv->state == NSV_FOUND_NSVS) {
- err = nsv_parse_NSVs_header(s, ap);
+ err = nsv_parse_NSVs_header(s);
+ if (err < 0)
+ return err;
break; /* we just want the first one */
}
}
uint32_t vsize;
uint16_t asize;
uint16_t auxsize;
- uint32_t av_unused auxtag;
av_dlog(s, "%s(%d)\n", __FUNCTION__, fill_header);
if (err < 0)
return err;
if (nsv->state == NSV_FOUND_NSVS)
- err = nsv_parse_NSVs_header(s, NULL);
+ err = nsv_parse_NSVs_header(s);
if (err < 0)
return err;
if (nsv->state != NSV_HAS_READ_NSVS && nsv->state != NSV_FOUND_BEEF)
av_dlog(s, "NSV CHUNK %d aux, %u bytes video, %d bytes audio\n", auxcount, vsize, asize);
/* skip aux stuff */
for (i = 0; i < auxcount; i++) {
+ uint32_t av_unused auxtag;
auxsize = avio_rl16(pb);
auxtag = avio_rl32(pb);
av_dlog(s, "NSV aux data: '%c%c%c%c', %d bytes\n",
}
/* map back streams to v,a */
- if (s->streams[0])
+ if (s->nb_streams > 0)
st[s->streams[0]->id] = s->streams[0];
- if (s->streams[1])
+ if (s->nb_streams > 1)
st[s->streams[1]->id] = s->streams[1];
- if (vsize/* && st[NSV_ST_VIDEO]*/) {
+ if (vsize && st[NSV_ST_VIDEO]) {
nst = st[NSV_ST_VIDEO]->priv_data;
pkt = &nsv->ahead[NSV_ST_VIDEO];
av_get_packet(pb, pkt, vsize);
if(st[NSV_ST_VIDEO])
((NSVStream*)st[NSV_ST_VIDEO]->priv_data)->frame_offset++;
- if (asize/*st[NSV_ST_AUDIO]*/) {
+ if (asize && st[NSV_ST_AUDIO]) {
nst = st[NSV_ST_AUDIO]->priv_data;
pkt = &nsv->ahead[NSV_ST_AUDIO];
/* read raw audio specific header on the first audio chunk... */
if(index < 0)
return -1;
- avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
+ if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+ return -1;
+
nst->frame_offset = st->index_entries[index].timestamp;
nsv->state = NSV_UNSYNC;
return 0;