Signed-off-by: Paul B Mahol <one...@gmail.com>
---
libavformat/segafilm.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c
index 44fa683..b4f9b3d 100644
--- a/libavformat/segafilm.c
+++ b/libavformat/segafilm.c
@@ -239,6 +239,11 @@ static int film_read_header(AVFormatContext *s)
film->sample_table[i].stream = film->video_stream_index;
film->sample_table[i].pts = AV_RB32(&scratch[8]) & 0x7FFFFFFF;
film->sample_table[i].keyframe = (scratch[8] & 0x80) ? 0 : 1;
+ av_add_index_entry(s->streams[film->video_stream_index],
+ film->sample_table[i].sample_offset,
+ film->sample_table[i].pts,
+ film->sample_table[i].sample_size, 0,
+ film->sample_table[i].keyframe);
}
}
@@ -279,6 +284,21 @@ static int film_read_packet(AVFormatContext *s,
return ret;
}
+static int film_read_seek(AVFormatContext *s, int stream_index, int64_t
timestamp, int flags)
+{
+ FilmDemuxContext *film = s->priv_data;
+ AVStream *st = s->streams[stream_index];
+ int index = av_index_search_timestamp(st, timestamp, flags);
+ if (index < 0)
+ return -1;
+ if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+ return -1;
+
+ film->current_sample = index;
+
+ return 0;
+}
+
AVInputFormat ff_segafilm_demuxer = {
.name = "film_cpk",
.long_name = NULL_IF_CONFIG_SMALL("Sega FILM / CPK"),
@@ -287,4 +307,5 @@ AVInputFormat ff_segafilm_demuxer = {
.read_header = film_read_header,
.read_packet = film_read_packet,
.read_close = film_read_close,
+ .read_seek = film_read_seek,
};
--
1.9.1
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