static int write_stream_data(AVFormatContext *s, AVStream *st, int flag)
{
AVIOContext *pb = s->pb;
int ret;
if (!flag) {
write_chunk_header2(s, &ff_stream_guid, 0x80000000 | (st->index + INDEX_BASE));
avio_wl32(pb, 0x00000001);
avio_wl32(pb, st->index + INDEX_BASE); //stream_id
avio_wl32(pb, 0x00000001);
write_pad(pb, 8);
} else {
write_chunk_header2(s, &ff_stream2_guid, 0x80000000 | (st->index + INDEX_BASE));
write_pad(pb, 4);
}
ret = write_stream_codec_info(s, st);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "write stream codec info failed codec_type(0x%x)\n", st->codec->codec_type);
return -1;
}
finish_chunk(s);
avpriv_set_pts_info(st, 64, 1, 10000000);
return 0;
}
static void write_DSATTRIB_TRANSPORT_PROPERTIES_init(AVFormatContext *s, int stream_index)
{
AVIOContext *pb = s->pb;
write_chunk_header2(s, &ff_DSATTRIB_TRANSPORT_PROPERTIES, 0x80000000 | stream_index);
avio_wl64(pb, stream_index);
avio_wl64(pb, -1);
avio_wl64(pb, 0);
finish_chunk(s);
}
static int write_stream_codec(AVFormatContext *s, AVStream * st)
{
AVIOContext *pb = s->pb;
int ret;
write_chunk_header2(s, &ff_stream1_guid, 0x80000000 | 0x01);
avio_wl32(pb, 0x01);
write_pad(pb, 4);
write_pad(pb, 4);
ret = write_stream_codec_info(s, st);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "write stream codec info failed codec_type(0x%x)\n", st->codec->codec_type);
return -1;
}
finish_chunk(s);
return 0;
}
static void write_index(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
WtvContext *wctx = s->priv_data;
int i;
write_chunk_header2(s, &index_guid, 0x80000000);
avio_wl32(pb, 0);
avio_wl32(pb, 0);
for (i = 0; i < wctx->nb_index; i++) {
WtvChunkEntry *t = wctx->index + i;
ff_put_guid(pb, t->guid);
avio_wl64(pb, t->pos);
avio_wl32(pb, t->stream_id);
avio_wl32(pb, 0); // checksum?
avio_wl64(pb, t->serial);
}
wctx->nb_index = 0; // reset index
finish_chunk_noindex(s);
}