ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Thu Nov 5 12:04:51 2015 +0100| [c012c6f1a8b34828a7870dc1854422934f14b79a] | committer: Vittorio Giovara
segafilm: implement seeking Signed-off-by: Vittorio Giovara <vittorio.giov...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c012c6f1a8b34828a7870dc1854422934f14b79a --- libavformat/segafilm.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c index 4209197..e9d86c1 100644 --- a/libavformat/segafilm.c +++ b/libavformat/segafilm.c @@ -240,6 +240,11 @@ 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); } } @@ -288,6 +293,23 @@ 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 ret = av_index_search_timestamp(st, timestamp, flags); + if (ret < 0) + return ret; + + ret = avio_seek(s->pb, st->index_entries[ret].pos, SEEK_SET); + if (ret < 0) + return ret; + + film->current_sample = ret; + + return 0; +} + AVInputFormat ff_segafilm_demuxer = { .name = "film_cpk", .long_name = NULL_IF_CONFIG_SMALL("Sega FILM / CPK"), @@ -296,4 +318,5 @@ AVInputFormat ff_segafilm_demuxer = { .read_header = film_read_header, .read_packet = film_read_packet, .read_close = film_read_close, + .read_seek = film_read_seek, }; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
