uint32_t last_block_used_bytes;
uint32_t last_block_size;
uint32_t last_block_samples;
+ uint32_t data_start;
uint8_t *table;
uint8_t *adpc;
int little_endian;
codec == AV_CODEC_ID_ADPCM_THP_LE))
avio_skip(s->pb, 24);
+ b->data_start = avio_tell(s->pb);
+
if ((major != 1 || minor) && !bfstm)
avpriv_request_sample(s, "Version %d.%d", major, minor);
return ret;
}
+static int read_seek(AVFormatContext *s, int stream_index,
+ int64_t timestamp, int flags)
+{
+ AVStream *st = s->streams[stream_index];
+ BRSTMDemuxContext *b = s->priv_data;
+ int64_t ret = 0;
+
+ timestamp /= b->samples_per_block;
+ ret = avio_seek(s->pb, b->data_start + timestamp * b->block_size *
+ st->codec->channels, SEEK_SET);
+ if (ret < 0)
+ return ret;
+
+ b->current_block = timestamp;
+ ff_update_cur_dts(s, st, timestamp * b->samples_per_block);
+ return 0;
+}
+
AVInputFormat ff_brstm_demuxer = {
.name = "brstm",
.long_name = NULL_IF_CONFIG_SMALL("BRSTM (Binary Revolution Stream)"),
.read_header = read_header,
.read_packet = read_packet,
.read_close = read_close,
+ .read_seek = read_seek,
.extensions = "brstm",
};
.read_header = read_header,
.read_packet = read_packet,
.read_close = read_close,
+ .read_seek = read_seek,
.extensions = "bfstm,bcstm",
};