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author | Paul B Mahol <onemda@gmail.com> | 2015-10-30 12:07:13 +0100 |
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committer | Paul B Mahol <onemda@gmail.com> | 2015-11-02 10:53:05 +0100 |
commit | e6cccf9daa64e36ccdd575fdfd36b7fdb2661840 (patch) | |
tree | d010edba9be3b88873f27daeda173e96d008a337 /libavformat | |
parent | 55abb94b7d9a4dc93bece7ed7bc77daf4cc4a91d (diff) | |
download | ffmpeg-streaming-e6cccf9daa64e36ccdd575fdfd36b7fdb2661840.zip ffmpeg-streaming-e6cccf9daa64e36ccdd575fdfd36b7fdb2661840.tar.gz |
avformat/segafilm: implement seeking
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/segafilm.c | 21 |
1 files changed, 21 insertions, 0 deletions
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, }; |