static int gxf_write_umf_packet(ByteIOContext *pb, GXFContext *ctx)
{
int64_t pos = url_ftell(pb);
gxf_write_packet_header(pb, PKT_UMF);
/* preamble */
put_byte(pb, 3); /* first and last (only) packet */
put_be32(pb, ctx->umf_length); /* data length */
ctx->umf_start_offset = url_ftell(pb);
gxf_write_umf_payload(pb, ctx);
gxf_write_umf_material_description(pb, ctx);
ctx->umf_track_size = gxf_write_umf_track_description(pb, ctx);
ctx->umf_media_size = gxf_write_umf_media_description(pb, ctx);
ctx->umf_user_data_size = gxf_write_umf_user_data(pb, ctx);
ctx->umf_length = url_ftell(pb) - ctx->umf_start_offset;
return updatePacketSize(pb, pos);
}
static int gxf_write_umf_packet(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
int64_t pos = avio_tell(pb);
gxf_write_packet_header(pb, PKT_UMF);
/* preamble */
avio_w8(pb, 3); /* first and last (only) packet */
avio_wb32(pb, gxf->umf_length); /* data length */
gxf->umf_start_offset = avio_tell(pb);
gxf_write_umf_payload(s);
gxf_write_umf_material_description(s);
gxf->umf_track_size = gxf_write_umf_track_description(s);
gxf->umf_media_size = gxf_write_umf_media_description(s);
gxf->umf_length = avio_tell(pb) - gxf->umf_start_offset;
return updatePacketSize(pb, pos);
}
