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-rw-r--r--libhb/muxmp4.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/libhb/muxmp4.c b/libhb/muxmp4.c
index c1ac9994c..8d93d361a 100644
--- a/libhb/muxmp4.c
+++ b/libhb/muxmp4.c
@@ -1104,6 +1104,13 @@ static int MP4Mux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
}
else
{
+ int64_t duration;
+
+ if( buf->stop < 0 )
+ duration = 90000L * 10;
+ else
+ duration = buf->stop - buf->start;
+
/* Write an empty sample */
if ( mux_data->sum_dur < buf->start )
{
@@ -1141,7 +1148,7 @@ static int MP4Mux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
hb_deep_log(3, "MuxMP4:Sub:%fs:%"PRId64":%"PRId64":%"PRId64": %s",
(float)buf->start / 90000, buf->start, buf->stop,
- (buf->stop - buf->start), buffer);
+ duration, buffer);
/* Write the subtitle sample */
memcpy( output + 2, buffer, buffersize );
@@ -1153,7 +1160,7 @@ static int MP4Mux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
mux_data->track,
output,
buffersize + stylesize + 2,
- buf->stop - buf->start,
+ duration,
0,
1 ))
{
@@ -1161,11 +1168,18 @@ static int MP4Mux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
*job->die = 1;
}
- mux_data->sum_dur += (buf->stop - buf->start);
+ mux_data->sum_dur += duration;
}
}
else if( mux_data->sub_format == PICTURESUB )
{
+ int64_t duration;
+
+ if( buf->stop < 0 )
+ duration = 90000L * 10;
+ else
+ duration = buf->stop - buf->start;
+
/* Write an empty sample */
if ( mux_data->sum_dur < buf->start )
{
@@ -1187,7 +1201,7 @@ static int MP4Mux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
mux_data->track,
buf->data,
buf->size,
- buf->stop - buf->start,
+ duration,
0,
1 ))
{
@@ -1195,7 +1209,7 @@ static int MP4Mux( hb_mux_object_t * m, hb_mux_data_t * mux_data,
*job->die = 1;
}
- mux_data->sum_dur += (buf->stop - buf->start);
+ mux_data->sum_dur += duration;
}
}
else